{"id":3595,"date":"2026-08-11T14:40:45","date_gmt":"2026-08-11T12:40:45","guid":{"rendered":"https:\/\/geser.eu\/faq\/"},"modified":"2026-08-11T15:52:40","modified_gmt":"2026-08-11T13:52:40","slug":"faq","status":"publish","type":"page","link":"https:\/\/geser.eu\/en\/faq\/","title":{"rendered":"FAQ"},"content":{"rendered":"<div id=\"products\" class=\"fusion-container-anchor\"><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-1 fusion-flex-container has-pattern-background has-mask-background nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-background-blend-mode:luminosity;--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-padding-bottom:150px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"max-width:1456px;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-0 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:50px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:10px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-text fusion-text-1\"><h1>Frequently Asked Questions About Geothermal Energy &#038; Geser<\/h1>\n<h2>Answers to Questions About Geothermal Energy, Products, and Services<\/h2>\n<\/div><div class=\"fusion-text fusion-text-2\"><p data-pm-slice=\"1 1 &#091;&#093;\">Here you\u2019ll find answers to frequently asked questions about <strong>geothermal energy and geothermal systems<\/strong>, as well as about <strong>Geser Erdw\u00e4rme\u2019s<\/strong> products and services. Learn more about geothermal probes and geothermal systems, distribution manifolds and accessories, drilling technology, installation, camera inspections, and Geser\u2019s experience, quality, and services. <\/p>\n<\/div><style type=\"text\/css\">.fusion-faqs-wrapper #accordian-1 .fusion-panel { border-color:var(--awb-color3); }.fusion-faqs-wrapper #accordian-1 .fusion-panel:hover{ border-color: var(--awb-color3); }.fusion-accordian #accordian-1 .panel-title a .fa-fusion-box:before{ font-size: 16px;width: 16px;}.fusion-accordian #accordian-1 .panel-title a .fa-fusion-box{ color: var(--awb-color1);}.fusion-accordian  #accordian-1 .panel-title a{font-family:var(--awb-typography1-font-family);font-weight:var(--awb-typography1-font-weight);font-style:var(--awb-typography1-font-style);}.fusion-accordian  #accordian-1 .panel-title a:not(:hover){color:var(--awb-color3);}.fusion-accordian  #accordian-1 .toggle-content{font-family:var(--awb-typography4-font-family);font-weight:var(--awb-typography4-font-weight);font-style:var(--awb-typography4-font-style);}.fusion-accordian #accordian-1 .fa-fusion-box { background-color: var(--awb-color3) !important;border-color: var(--awb-color3) !important;}.fusion-accordian #accordian-1 .panel-title a:hover,.fusion-accordian #accordian-1 .panel-title a.hover { color: var(--awb-color4);}.fusion-faq-shortcode .fusion-accordian #accordian-1 .fusion-toggle-boxed-mode:hover .panel-title a { color: var(--awb-color4);}.fusion-accordian #accordian-1 .panel-title .active .fa-fusion-box,.fusion-accordian #accordian-1 .panel-title a:hover .fa-fusion-box,.fusion-accordian #accordian-1 .panel-title a.hover .fa-fusion-box { background-color: var(--awb-color4)!important;border-color: var(--awb-color4)!important;}<\/style><div class=\"fusion-faq-shortcode\" style=\"\"><ul role=\"menu\" class=\"fusion-filters clearfix\"><li role=\"presentation\" class=\"fusion-filter fusion-filter-all fusion-active\"><a role=\"menuitem\" data-filter=\"*\" href=\"#\">All<\/a><\/li><li role=\"presentation\" class=\"fusion-filter fusion-hidden\"><a role=\"menuitem\" data-filter=\".homepage\" href=\"#\">About Geser<\/a><\/li><li role=\"presentation\" class=\"fusion-filter fusion-hidden\"><a role=\"menuitem\" data-filter=\".service\" href=\"#\">Service<\/a><\/li><li role=\"presentation\" class=\"fusion-filter fusion-hidden\"><a role=\"menuitem\" data-filter=\".products\" href=\"#\">Products<\/a><\/li><li role=\"presentation\" class=\"fusion-filter fusion-hidden\"><a role=\"menuitem\" data-filter=\".energy\" href=\"#\">Energy<\/a><\/li><\/ul><div class=\"fusion-faqs-wrapper\"><div class=\"accordian fusion-accordian\"><div class=\"panel-group \" id=\"accordian-1\"><div class=\"fusion-panel panel-default fusion-faq-post fusion-faq-post-3591 products \"><span class=\"entry-title rich-snippet-hidden\">Does Geser also offer products for drilling and grouting geothermal probes?<\/span><span class=\"vcard rich-snippet-hidden\"><span class=\"fn\"><a href=\"https:\/\/geser.eu\/en\/author\/othman\/\" rel=\"author\">Ayal Othman<\/a><\/span><\/span><span class=\"updated rich-snippet-hidden\">2026-08-11T14:36:29+02:00<\/span><div class=\"panel-heading\"><h4 id=\"faq_1-3591\" class=\"panel-title toggle\"><a data-toggle=\"collapse\" class=\"collapsed\" data-parent=\"#accordian-1\" data-target=\"#collapse-1-3591\" href=\"#collapse-1-3591\" aria-expanded=\"false\"><div class=\"fusion-toggle-icon-wrapper\"><div class=\"fusion-toggle-icon-wrapper-main\"><div class=\"fusion-toggle-icon-wrapper-sub\"><i class=\"fa-fusion-box active-icon awb-icon-minus\" aria-hidden=\"true\"><\/i><i class=\"fa-fusion-box inactive-icon awb-icon-plus\" aria-hidden=\"true\"><\/i><\/div><\/div><\/div><div class=\"fusion-toggle-heading\">Does Geser also offer products for drilling and grouting geothermal probes?<\/div><\/a><\/h4><\/div><div id=\"collapse-1-3591\" aria-labelledby=\"faq_1-3591\" class=\"panel-collapse collapse\"><div class=\"panel-body toggle-content post-content\"><p data-pm-slice=\"1 1 []\">Yes. Geser offers professional drilling accessories such as down-the-hole hammers, drill rods, casings, eccentric drill bits and additional drill-string accessories. Geser also supplies tested grouting materials and rinsing additives that support thermal coupling, hydraulic sealing and borehole stabilization.  <\/p>\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default fusion-faq-post fusion-faq-post-3589 products \"><span class=\"entry-title rich-snippet-hidden\">What brine liquids does Geser offer for geothermal systems?<\/span><span class=\"vcard rich-snippet-hidden\"><span class=\"fn\"><a href=\"https:\/\/geser.eu\/en\/author\/othman\/\" rel=\"author\">Ayal Othman<\/a><\/span><\/span><span class=\"updated rich-snippet-hidden\">2026-08-11T14:36:12+02:00<\/span><div class=\"panel-heading\"><h4 id=\"faq_1-3589\" class=\"panel-title toggle\"><a data-toggle=\"collapse\" class=\"collapsed\" data-parent=\"#accordian-1\" data-target=\"#collapse-1-3589\" href=\"#collapse-1-3589\" aria-expanded=\"false\"><div class=\"fusion-toggle-icon-wrapper\"><div class=\"fusion-toggle-icon-wrapper-main\"><div class=\"fusion-toggle-icon-wrapper-sub\"><i class=\"fa-fusion-box active-icon awb-icon-minus\" aria-hidden=\"true\"><\/i><i class=\"fa-fusion-box inactive-icon awb-icon-plus\" aria-hidden=\"true\"><\/i><\/div><\/div><\/div><div class=\"fusion-toggle-heading\">What brine liquids does Geser offer for geothermal systems?<\/div><\/a><\/h4><\/div><div id=\"collapse-1-3589\" aria-labelledby=\"faq_1-3589\" class=\"panel-collapse collapse\"><div class=\"panel-body toggle-content post-content\"><p data-pm-slice=\"1 1 []\">Geser supplies approved brine liquids and antifreeze concentrates based on ethylene glycol and propylene glycol. They can be used in geothermal probe systems, horizontal collector systems and direct evaporation systems. The supplied products comply with the requirements for groundwater-compatible heat transfer fluids.  <\/p>\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default fusion-faq-post fusion-faq-post-3588 products \"><span class=\"entry-title rich-snippet-hidden\">Does Geser also offer accessories for installing geothermal probes?<\/span><span class=\"vcard rich-snippet-hidden\"><span class=\"fn\"><a href=\"https:\/\/geser.eu\/en\/author\/othman\/\" rel=\"author\">Ayal Othman<\/a><\/span><\/span><span class=\"updated rich-snippet-hidden\">2026-08-11T14:35:52+02:00<\/span><div class=\"panel-heading\"><h4 id=\"faq_1-3588\" class=\"panel-title toggle\"><a data-toggle=\"collapse\" class=\"collapsed\" data-parent=\"#accordian-1\" data-target=\"#collapse-1-3588\" href=\"#collapse-1-3588\" aria-expanded=\"false\"><div class=\"fusion-toggle-icon-wrapper\"><div class=\"fusion-toggle-icon-wrapper-main\"><div class=\"fusion-toggle-icon-wrapper-sub\"><i class=\"fa-fusion-box active-icon awb-icon-minus\" aria-hidden=\"true\"><\/i><i class=\"fa-fusion-box inactive-icon awb-icon-plus\" aria-hidden=\"true\"><\/i><\/div><\/div><\/div><div class=\"fusion-toggle-heading\">Does Geser also offer accessories for installing geothermal probes?<\/div><\/a><\/h4><\/div><div id=\"collapse-1-3588\" aria-labelledby=\"faq_1-3588\" class=\"panel-collapse collapse\"><div class=\"panel-body toggle-content post-content\"><p data-pm-slice=\"1 1 []\">Yes. The product range includes various installation aids such as installation reels, flushing trays, weighting systems, pressure-testing components and probe anchors. Geser also offers camera systems for inspecting geothermal probes to depths of up to 350 metres.  <\/p>\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default fusion-faq-post fusion-faq-post-3587 products \"><span class=\"entry-title rich-snippet-hidden\">What types of distribution boxes and distribution shafts are available from Geser?<\/span><span class=\"vcard rich-snippet-hidden\"><span class=\"fn\"><a href=\"https:\/\/geser.eu\/en\/author\/othman\/\" rel=\"author\">Ayal Othman<\/a><\/span><\/span><span class=\"updated rich-snippet-hidden\">2026-08-11T14:35:34+02:00<\/span><div class=\"panel-heading\"><h4 id=\"faq_1-3587\" class=\"panel-title toggle\"><a data-toggle=\"collapse\" class=\"collapsed\" data-parent=\"#accordian-1\" data-target=\"#collapse-1-3587\" href=\"#collapse-1-3587\" aria-expanded=\"false\"><div class=\"fusion-toggle-icon-wrapper\"><div class=\"fusion-toggle-icon-wrapper-main\"><div class=\"fusion-toggle-icon-wrapper-sub\"><i class=\"fa-fusion-box active-icon awb-icon-minus\" aria-hidden=\"true\"><\/i><i class=\"fa-fusion-box inactive-icon awb-icon-plus\" aria-hidden=\"true\"><\/i><\/div><\/div><\/div><div class=\"fusion-toggle-heading\">What types of distribution boxes and distribution shafts are available from Geser?<\/div><\/a><\/h4><\/div><div id=\"collapse-1-3587\" aria-labelledby=\"faq_1-3587\" class=\"panel-collapse collapse\"><div class=\"panel-body toggle-content post-content\"><p data-pm-slice=\"1 1 []\">Geser manufactures standard and Vario distributors that can be configured according to the number of geothermal probes and the required flow rates. Various types of manholes are also available, including lightweight plastic manholes, rectangular manholes, round manholes and custom-built submarine manholes. <\/p>\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default fusion-faq-post fusion-faq-post-3585 products \"><span class=\"entry-title rich-snippet-hidden\">What types of geothermal probes does Geser offer?<\/span><span class=\"vcard rich-snippet-hidden\"><span class=\"fn\"><a href=\"https:\/\/geser.eu\/en\/author\/othman\/\" rel=\"author\">Ayal Othman<\/a><\/span><\/span><span class=\"updated rich-snippet-hidden\">2026-08-11T14:38:00+02:00<\/span><div class=\"panel-heading\"><h4 id=\"faq_1-3585\" class=\"panel-title toggle\"><a data-toggle=\"collapse\" class=\"collapsed\" data-parent=\"#accordian-1\" data-target=\"#collapse-1-3585\" href=\"#collapse-1-3585\" aria-expanded=\"false\"><div class=\"fusion-toggle-icon-wrapper\"><div class=\"fusion-toggle-icon-wrapper-main\"><div class=\"fusion-toggle-icon-wrapper-sub\"><i class=\"fa-fusion-box active-icon awb-icon-minus\" aria-hidden=\"true\"><\/i><i class=\"fa-fusion-box inactive-icon awb-icon-plus\" aria-hidden=\"true\"><\/i><\/div><\/div><\/div><div class=\"fusion-toggle-heading\">What types of geothermal probes does Geser offer?<\/div><\/a><\/h4><\/div><div id=\"collapse-1-3585\" aria-labelledby=\"faq_1-3585\" class=\"panel-collapse collapse\"><div class=\"panel-body toggle-content post-content\"><p data-pm-slice=\"1 1 []\">Geser offers geothermal probes for different system sizes, depths and applications. Available options include systems in diameters DA32, DA40 and DA50, as well as special solutions such as the Separatus probe for single- and multi-circuit systems. The probe materials used are subject to third-party monitoring by an accredited institute.  <\/p>\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default fusion-faq-post fusion-faq-post-3584 products \"><span class=\"entry-title rich-snippet-hidden\">What products does Geser Erdw\u00e4rme offer?<\/span><span class=\"vcard rich-snippet-hidden\"><span class=\"fn\"><a href=\"https:\/\/geser.eu\/en\/author\/othman\/\" rel=\"author\">Ayal Othman<\/a><\/span><\/span><span class=\"updated rich-snippet-hidden\">2026-08-11T14:34:55+02:00<\/span><div class=\"panel-heading\"><h4 id=\"faq_1-3584\" class=\"panel-title toggle\"><a data-toggle=\"collapse\" class=\"collapsed\" data-parent=\"#accordian-1\" data-target=\"#collapse-1-3584\" href=\"#collapse-1-3584\" aria-expanded=\"false\"><div class=\"fusion-toggle-icon-wrapper\"><div class=\"fusion-toggle-icon-wrapper-main\"><div class=\"fusion-toggle-icon-wrapper-sub\"><i class=\"fa-fusion-box active-icon awb-icon-minus\" aria-hidden=\"true\"><\/i><i class=\"fa-fusion-box inactive-icon awb-icon-plus\" aria-hidden=\"true\"><\/i><\/div><\/div><\/div><div class=\"fusion-toggle-heading\">What products does Geser Erdw\u00e4rme offer?<\/div><\/a><\/h4><\/div><div id=\"collapse-1-3584\" aria-labelledby=\"faq_1-3584\" class=\"panel-collapse collapse\"><div class=\"panel-body toggle-content post-content\"><p data-pm-slice=\"1 1 []\">Geser Geothermal offers a comprehensive product range for geothermal systems. This includes geothermal probes, probe bases, manifolds and manifold shafts, drilling accessories, installation aids, electrofusion fittings, brine fluids, as well as grouting materials and flushing additives. <\/p>\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default fusion-faq-post fusion-faq-post-3570 service \"><span class=\"entry-title rich-snippet-hidden\">Can Geser support large-scale geothermal plants?<\/span><span class=\"vcard rich-snippet-hidden\"><span class=\"fn\"><a href=\"https:\/\/geser.eu\/en\/author\/othman\/\" rel=\"author\">Ayal Othman<\/a><\/span><\/span><span class=\"updated rich-snippet-hidden\">2026-08-11T14:12:06+02:00<\/span><div class=\"panel-heading\"><h4 id=\"faq_1-3570\" class=\"panel-title toggle\"><a data-toggle=\"collapse\" class=\"collapsed\" data-parent=\"#accordian-1\" data-target=\"#collapse-1-3570\" href=\"#collapse-1-3570\" aria-expanded=\"false\"><div class=\"fusion-toggle-icon-wrapper\"><div class=\"fusion-toggle-icon-wrapper-main\"><div class=\"fusion-toggle-icon-wrapper-sub\"><i class=\"fa-fusion-box active-icon awb-icon-minus\" aria-hidden=\"true\"><\/i><i class=\"fa-fusion-box inactive-icon awb-icon-plus\" aria-hidden=\"true\"><\/i><\/div><\/div><\/div><div class=\"fusion-toggle-heading\">Can Geser support large-scale geothermal plants?<\/div><\/a><\/h4><\/div><div id=\"collapse-1-3570\" aria-labelledby=\"faq_1-3570\" class=\"panel-collapse collapse\"><div class=\"panel-body toggle-content post-content\"><p>Yes. In addition to small systems, Geser has supported major construction sites such as Malters H\u00f6fe (Switzerland) and Hard (Austria), documented in the WarmUP 2025 brochure by the Geothermal Community Bavaria. <\/p>\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default fusion-faq-post fusion-faq-post-3563 service \"><span class=\"entry-title rich-snippet-hidden\">Does Geser Geothermal hold relevant certifications?<\/span><span class=\"vcard rich-snippet-hidden\"><span class=\"fn\"><a href=\"https:\/\/geser.eu\/en\/author\/othman\/\" rel=\"author\">Ayal Othman<\/a><\/span><\/span><span class=\"updated rich-snippet-hidden\">2026-08-11T14:11:43+02:00<\/span><div class=\"panel-heading\"><h4 id=\"faq_1-3563\" class=\"panel-title toggle\"><a data-toggle=\"collapse\" class=\"collapsed\" data-parent=\"#accordian-1\" data-target=\"#collapse-1-3563\" href=\"#collapse-1-3563\" aria-expanded=\"false\"><div class=\"fusion-toggle-icon-wrapper\"><div class=\"fusion-toggle-icon-wrapper-main\"><div class=\"fusion-toggle-icon-wrapper-sub\"><i class=\"fa-fusion-box active-icon awb-icon-minus\" aria-hidden=\"true\"><\/i><i class=\"fa-fusion-box inactive-icon awb-icon-plus\" aria-hidden=\"true\"><\/i><\/div><\/div><\/div><div class=\"fusion-toggle-heading\">Does Geser Geothermal hold relevant certifications?<\/div><\/a><\/h4><\/div><div id=\"collapse-1-3563\" aria-labelledby=\"faq_1-3563\" class=\"panel-collapse collapse\"><div class=\"panel-body toggle-content post-content\"><p data-pm-slice=\"1 1 []\">Yes. Geser Geothermal is authorized to use the SKZ Test and Monitoring Mark for geothermal systems. This certification is based on the SKZ Testing and Monitoring Specification HR 3.26:2022-10. The corresponding certification is available in German, English and French.   <\/p>\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default fusion-faq-post fusion-faq-post-3571 service \"><span class=\"entry-title rich-snippet-hidden\">What downloads does Geser Erdw\u00e4rme offer?<\/span><span class=\"vcard rich-snippet-hidden\"><span class=\"fn\"><a href=\"https:\/\/geser.eu\/en\/author\/othman\/\" rel=\"author\">Ayal Othman<\/a><\/span><\/span><span class=\"updated rich-snippet-hidden\">2026-08-11T14:10:13+02:00<\/span><div class=\"panel-heading\"><h4 id=\"faq_1-3571\" class=\"panel-title toggle\"><a data-toggle=\"collapse\" class=\"collapsed\" data-parent=\"#accordian-1\" data-target=\"#collapse-1-3571\" href=\"#collapse-1-3571\" aria-expanded=\"false\"><div class=\"fusion-toggle-icon-wrapper\"><div class=\"fusion-toggle-icon-wrapper-main\"><div class=\"fusion-toggle-icon-wrapper-sub\"><i class=\"fa-fusion-box active-icon awb-icon-minus\" aria-hidden=\"true\"><\/i><i class=\"fa-fusion-box inactive-icon awb-icon-plus\" aria-hidden=\"true\"><\/i><\/div><\/div><\/div><div class=\"fusion-toggle-heading\">What downloads does Geser Erdw\u00e4rme offer?<\/div><\/a><\/h4><\/div><div id=\"collapse-1-3571\" aria-labelledby=\"faq_1-3571\" class=\"panel-collapse collapse\"><div class=\"panel-body toggle-content post-content\"><p>The following documents are available for download on the Service page:<\/p>\n<ul>\n<li>GESER Product Catalog 2025 (PDF)<\/li>\n<li>GESER GmbH Terms and Conditions<\/li>\n<li>JANSEN powerwave, powerwave coax, powerwave collect (Brochures)<\/li>\n<li>Standard and Vario Distributors (Excel Configuration Guides)<\/li>\n<li>Manhole Dimensions: Rectangular Manholes, Round Manholes, Submarine Manholes<\/li>\n<li>Test Reports for D32mm and D40mm Geothermal Probe Bases<\/li>\n<li>SKZ Certificates (DE, EN, FR)<\/li>\n<li>Certificate of Exemption under Section 48b of the Income Tax Act (EStG)<\/li>\n<li>Proof of Liability for Tax Under \u00a713b of the German Value-Added Tax Act (UStG)<\/li>\n<\/ul>\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default fusion-faq-post fusion-faq-post-3569 products \"><span class=\"entry-title rich-snippet-hidden\">What is waterjet cutting and which materials can be processed?<\/span><span class=\"vcard rich-snippet-hidden\"><span class=\"fn\"><a href=\"https:\/\/geser.eu\/en\/author\/othman\/\" rel=\"author\">Ayal Othman<\/a><\/span><\/span><span class=\"updated rich-snippet-hidden\">2026-08-11T14:09:43+02:00<\/span><div class=\"panel-heading\"><h4 id=\"faq_1-3569\" class=\"panel-title toggle\"><a data-toggle=\"collapse\" class=\"collapsed\" data-parent=\"#accordian-1\" data-target=\"#collapse-1-3569\" href=\"#collapse-1-3569\" aria-expanded=\"false\"><div class=\"fusion-toggle-icon-wrapper\"><div class=\"fusion-toggle-icon-wrapper-main\"><div class=\"fusion-toggle-icon-wrapper-sub\"><i class=\"fa-fusion-box active-icon awb-icon-minus\" aria-hidden=\"true\"><\/i><i class=\"fa-fusion-box inactive-icon awb-icon-plus\" aria-hidden=\"true\"><\/i><\/div><\/div><\/div><div class=\"fusion-toggle-heading\">What is waterjet cutting and which materials can be processed?<\/div><\/a><\/h4><\/div><div id=\"collapse-1-3569\" aria-labelledby=\"faq_1-3569\" class=\"panel-collapse collapse\"><div class=\"panel-body toggle-content post-content\"><p>Geser operates a Mach 3b waterjet machine with dynamic waterjet, cutting pressure 4,150 bar and a working area of 2 \u00d7 4 m. Products include preventer seals, wellhead seals, and special seals in various designs, as well as precision cuts in steel, marble, stone, glass, composites, and virtually all other materials \u2013 gently and precisely.<\/p>\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default fusion-faq-post fusion-faq-post-3568 service \"><span class=\"entry-title rich-snippet-hidden\">How deep can Geser inspect geothermal probes with the camera?<\/span><span class=\"vcard rich-snippet-hidden\"><span class=\"fn\"><a href=\"https:\/\/geser.eu\/en\/author\/othman\/\" rel=\"author\">Ayal Othman<\/a><\/span><\/span><span class=\"updated rich-snippet-hidden\">2026-08-11T14:09:26+02:00<\/span><div class=\"panel-heading\"><h4 id=\"faq_1-3568\" class=\"panel-title toggle\"><a data-toggle=\"collapse\" class=\"collapsed\" data-parent=\"#accordian-1\" data-target=\"#collapse-1-3568\" href=\"#collapse-1-3568\" aria-expanded=\"false\"><div class=\"fusion-toggle-icon-wrapper\"><div class=\"fusion-toggle-icon-wrapper-main\"><div class=\"fusion-toggle-icon-wrapper-sub\"><i class=\"fa-fusion-box active-icon awb-icon-minus\" aria-hidden=\"true\"><\/i><i class=\"fa-fusion-box inactive-icon awb-icon-plus\" aria-hidden=\"true\"><\/i><\/div><\/div><\/div><div class=\"fusion-toggle-heading\">How deep can Geser inspect geothermal probes with the camera?<\/div><\/a><\/h4><\/div><div id=\"collapse-1-3568\" aria-labelledby=\"faq_1-3568\" class=\"panel-collapse collapse\"><div class=\"panel-body toggle-content post-content\"><p>Geser can inspect geothermal probes with the specialized camera down to a depth of 350 m \u2013 with significantly improved image quality compared to standard cameras.<\/p>\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default fusion-faq-post fusion-faq-post-3567 service \"><span class=\"entry-title rich-snippet-hidden\">What is a camera inspection for geothermal probes?<\/span><span class=\"vcard rich-snippet-hidden\"><span class=\"fn\"><a href=\"https:\/\/geser.eu\/en\/author\/othman\/\" rel=\"author\">Ayal Othman<\/a><\/span><\/span><span class=\"updated rich-snippet-hidden\">2026-08-11T14:09:07+02:00<\/span><div class=\"panel-heading\"><h4 id=\"faq_1-3567\" class=\"panel-title toggle\"><a data-toggle=\"collapse\" class=\"collapsed\" data-parent=\"#accordian-1\" data-target=\"#collapse-1-3567\" href=\"#collapse-1-3567\" aria-expanded=\"false\"><div class=\"fusion-toggle-icon-wrapper\"><div class=\"fusion-toggle-icon-wrapper-main\"><div class=\"fusion-toggle-icon-wrapper-sub\"><i class=\"fa-fusion-box active-icon awb-icon-minus\" aria-hidden=\"true\"><\/i><i class=\"fa-fusion-box inactive-icon awb-icon-plus\" aria-hidden=\"true\"><\/i><\/div><\/div><\/div><div class=\"fusion-toggle-heading\">What is a camera inspection for geothermal probes?<\/div><\/a><\/h4><\/div><div id=\"collapse-1-3567\" aria-labelledby=\"faq_1-3567\" class=\"panel-collapse collapse\"><div class=\"panel-body toggle-content post-content\"><p>In case of probe leakages, Geser enables endoscopic inspection of individual probe pipes with diameters DA32, DA40, DA50 and larger \u2013 down to a depth of 350 m. A specialized camera records the inspection, damaged areas are precisely localized using simultaneous depth measurement, and conclusions about failure causes are drawn.<\/p>\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default fusion-faq-post fusion-faq-post-3566 products \"><span class=\"entry-title rich-snippet-hidden\">How does Geser&#8217;s consulting service work?<\/span><span class=\"vcard rich-snippet-hidden\"><span class=\"fn\"><a href=\"https:\/\/geser.eu\/en\/author\/othman\/\" rel=\"author\">Ayal Othman<\/a><\/span><\/span><span class=\"updated rich-snippet-hidden\">2026-08-11T14:08:46+02:00<\/span><div class=\"panel-heading\"><h4 id=\"faq_1-3566\" class=\"panel-title toggle\"><a data-toggle=\"collapse\" class=\"collapsed\" data-parent=\"#accordian-1\" data-target=\"#collapse-1-3566\" href=\"#collapse-1-3566\" aria-expanded=\"false\"><div class=\"fusion-toggle-icon-wrapper\"><div class=\"fusion-toggle-icon-wrapper-main\"><div class=\"fusion-toggle-icon-wrapper-sub\"><i class=\"fa-fusion-box active-icon awb-icon-minus\" aria-hidden=\"true\"><\/i><i class=\"fa-fusion-box inactive-icon awb-icon-plus\" aria-hidden=\"true\"><\/i><\/div><\/div><\/div><div class=\"fusion-toggle-heading\">How does Geser&#8217;s consulting service work?<\/div><\/a><\/h4><\/div><div id=\"collapse-1-3566\" aria-labelledby=\"faq_1-3566\" class=\"panel-collapse collapse\"><div class=\"panel-body toggle-content post-content\"><p>Stefan Geser has been active in drilling and geothermal energy since 1979, building an extensive wealth of expertise. This knowledge is available to customers through personal consultation \u2013 covering planning, component selection, and technical questions about geothermal probe systems. <\/p>\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default fusion-faq-post fusion-faq-post-3565 service \"><span class=\"entry-title rich-snippet-hidden\">What services does Geser Geothermal offer?<\/span><span class=\"vcard rich-snippet-hidden\"><span class=\"fn\"><a href=\"https:\/\/geser.eu\/en\/author\/othman\/\" rel=\"author\">Ayal Othman<\/a><\/span><\/span><span class=\"updated rich-snippet-hidden\">2026-08-11T14:08:24+02:00<\/span><div class=\"panel-heading\"><h4 id=\"faq_1-3565\" class=\"panel-title toggle\"><a data-toggle=\"collapse\" class=\"collapsed\" data-parent=\"#accordian-1\" data-target=\"#collapse-1-3565\" href=\"#collapse-1-3565\" aria-expanded=\"false\"><div class=\"fusion-toggle-icon-wrapper\"><div class=\"fusion-toggle-icon-wrapper-main\"><div class=\"fusion-toggle-icon-wrapper-sub\"><i class=\"fa-fusion-box active-icon awb-icon-minus\" aria-hidden=\"true\"><\/i><i class=\"fa-fusion-box inactive-icon awb-icon-plus\" aria-hidden=\"true\"><\/i><\/div><\/div><\/div><div class=\"fusion-toggle-heading\">What services does Geser Geothermal offer?<\/div><\/a><\/h4><\/div><div id=\"collapse-1-3565\" aria-labelledby=\"faq_1-3565\" class=\"panel-collapse collapse\"><div class=\"panel-body toggle-content post-content\"><p>Geser offers three core services:<\/p>\n<ol>\n<li>Consulting, manufacturing and supply of BHE systems (borehole heat exchanger systems, manifold systems and manifold chambers)<\/li>\n<li>Installation of manifolds in concrete and PE chambers, including the installation of the required extension pipes from the geothermal probes to the plant room<\/li>\n<li>Camera inspections of geothermal probes, for example in cases of suspected leaks or damage<\/li>\n<\/ol>\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default fusion-faq-post fusion-faq-post-3546 energy \"><span class=\"entry-title rich-snippet-hidden\">What is the deepest documented geothermal probe ever installed?<\/span><span class=\"vcard rich-snippet-hidden\"><span class=\"fn\"><a href=\"https:\/\/geser.eu\/en\/author\/othman\/\" rel=\"author\">Ayal Othman<\/a><\/span><\/span><span class=\"updated rich-snippet-hidden\">2026-08-11T14:13:31+02:00<\/span><div class=\"panel-heading\"><h4 id=\"faq_1-3546\" class=\"panel-title toggle\"><a data-toggle=\"collapse\" class=\"collapsed\" data-parent=\"#accordian-1\" data-target=\"#collapse-1-3546\" href=\"#collapse-1-3546\" aria-expanded=\"false\"><div class=\"fusion-toggle-icon-wrapper\"><div class=\"fusion-toggle-icon-wrapper-main\"><div class=\"fusion-toggle-icon-wrapper-sub\"><i class=\"fa-fusion-box active-icon awb-icon-minus\" aria-hidden=\"true\"><\/i><i class=\"fa-fusion-box inactive-icon awb-icon-plus\" aria-hidden=\"true\"><\/i><\/div><\/div><\/div><div class=\"fusion-toggle-heading\">What is the deepest documented geothermal probe ever installed?<\/div><\/a><\/h4><\/div><div id=\"collapse-1-3546\" aria-labelledby=\"faq_1-3546\" class=\"panel-collapse collapse\"><div class=\"panel-body toggle-content post-content\"><p>The world&#8217;s currently deepest documented 40mm 2-circuit PE geothermal probe was successfully installed by Geser Erdw\u00e4rme on 6\u20137 November 2007 in Oftringen, Switzerland, at a depth of 706 m \u2013 commissioned by NOK.<\/p>\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default fusion-faq-post fusion-faq-post-3545 energy \"><span class=\"entry-title rich-snippet-hidden\">How do I choose a qualified drilling company?<\/span><span class=\"vcard rich-snippet-hidden\"><span class=\"fn\"><a href=\"https:\/\/geser.eu\/en\/author\/othman\/\" rel=\"author\">Ayal Othman<\/a><\/span><\/span><span class=\"updated rich-snippet-hidden\">2026-08-11T13:49:18+02:00<\/span><div class=\"panel-heading\"><h4 id=\"faq_1-3545\" class=\"panel-title toggle\"><a data-toggle=\"collapse\" class=\"collapsed\" data-parent=\"#accordian-1\" data-target=\"#collapse-1-3545\" href=\"#collapse-1-3545\" aria-expanded=\"false\"><div class=\"fusion-toggle-icon-wrapper\"><div class=\"fusion-toggle-icon-wrapper-main\"><div class=\"fusion-toggle-icon-wrapper-sub\"><i class=\"fa-fusion-box active-icon awb-icon-minus\" aria-hidden=\"true\"><\/i><i class=\"fa-fusion-box inactive-icon awb-icon-plus\" aria-hidden=\"true\"><\/i><\/div><\/div><\/div><div class=\"fusion-toggle-heading\">How do I choose a qualified drilling company?<\/div><\/a><\/h4><\/div><div id=\"collapse-1-3545\" aria-labelledby=\"faq_1-3545\" class=\"panel-collapse collapse\"><div class=\"panel-body toggle-content post-content\"><p>Look for certification according to DVGW working sheet W 120 (German technical and scientific association for gas and water). Qualified companies know the local geology, can show reference installations, and provide full documentation of all drilling work. <\/p>\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default fusion-faq-post fusion-faq-post-3544 energy \"><span class=\"entry-title rich-snippet-hidden\">How long does a geothermal system last?<\/span><span class=\"vcard rich-snippet-hidden\"><span class=\"fn\"><a href=\"https:\/\/geser.eu\/en\/author\/othman\/\" rel=\"author\">Ayal Othman<\/a><\/span><\/span><span class=\"updated rich-snippet-hidden\">2026-08-11T13:49:02+02:00<\/span><div class=\"panel-heading\"><h4 id=\"faq_1-3544\" class=\"panel-title toggle\"><a data-toggle=\"collapse\" class=\"collapsed\" data-parent=\"#accordian-1\" data-target=\"#collapse-1-3544\" href=\"#collapse-1-3544\" aria-expanded=\"false\"><div class=\"fusion-toggle-icon-wrapper\"><div class=\"fusion-toggle-icon-wrapper-main\"><div class=\"fusion-toggle-icon-wrapper-sub\"><i class=\"fa-fusion-box active-icon awb-icon-minus\" aria-hidden=\"true\"><\/i><i class=\"fa-fusion-box inactive-icon awb-icon-plus\" aria-hidden=\"true\"><\/i><\/div><\/div><\/div><div class=\"fusion-toggle-heading\">How long does a geothermal system last?<\/div><\/a><\/h4><\/div><div id=\"collapse-1-3544\" aria-labelledby=\"faq_1-3544\" class=\"panel-collapse collapse\"><div class=\"panel-body toggle-content post-content\"><p>Geothermal probes are designed to last for multiple generations. The thermal performance of the probe is maintained for decades. Heat pumps themselves typically last 20\u201325 years.  <\/p>\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default fusion-faq-post fusion-faq-post-3543 energy \"><span class=\"entry-title rich-snippet-hidden\">Is geothermal energy environmentally friendly?<\/span><span class=\"vcard rich-snippet-hidden\"><span class=\"fn\"><a href=\"https:\/\/geser.eu\/en\/author\/othman\/\" rel=\"author\">Ayal Othman<\/a><\/span><\/span><span class=\"updated rich-snippet-hidden\">2026-08-11T13:48:46+02:00<\/span><div class=\"panel-heading\"><h4 id=\"faq_1-3543\" class=\"panel-title toggle\"><a data-toggle=\"collapse\" class=\"collapsed\" data-parent=\"#accordian-1\" data-target=\"#collapse-1-3543\" href=\"#collapse-1-3543\" aria-expanded=\"false\"><div class=\"fusion-toggle-icon-wrapper\"><div class=\"fusion-toggle-icon-wrapper-main\"><div class=\"fusion-toggle-icon-wrapper-sub\"><i class=\"fa-fusion-box active-icon awb-icon-minus\" aria-hidden=\"true\"><\/i><i class=\"fa-fusion-box inactive-icon awb-icon-plus\" aria-hidden=\"true\"><\/i><\/div><\/div><\/div><div class=\"fusion-toggle-heading\">Is geothermal energy environmentally friendly?<\/div><\/a><\/h4><\/div><div id=\"collapse-1-3543\" aria-labelledby=\"faq_1-3543\" class=\"panel-collapse collapse\"><div class=\"panel-body toggle-content post-content\"><p>Yes. Geothermal heat pumps have the lowest CO\u2082 emissions of any heating system. If the operating electricity comes from renewable sources, CO\u2082 output is effectively zero. No fossil fuels are required \u2013 energy independence and security of supply increase significantly.   <\/p>\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default fusion-faq-post fusion-faq-post-3542 energy \"><span class=\"entry-title rich-snippet-hidden\">What permits are required for a geothermal installation?<\/span><span class=\"vcard rich-snippet-hidden\"><span class=\"fn\"><a href=\"https:\/\/geser.eu\/en\/author\/othman\/\" rel=\"author\">Ayal Othman<\/a><\/span><\/span><span class=\"updated rich-snippet-hidden\">2026-08-11T13:48:31+02:00<\/span><div class=\"panel-heading\"><h4 id=\"faq_1-3542\" class=\"panel-title toggle\"><a data-toggle=\"collapse\" class=\"collapsed\" data-parent=\"#accordian-1\" data-target=\"#collapse-1-3542\" href=\"#collapse-1-3542\" aria-expanded=\"false\"><div class=\"fusion-toggle-icon-wrapper\"><div class=\"fusion-toggle-icon-wrapper-main\"><div class=\"fusion-toggle-icon-wrapper-sub\"><i class=\"fa-fusion-box active-icon awb-icon-minus\" aria-hidden=\"true\"><\/i><i class=\"fa-fusion-box inactive-icon awb-icon-plus\" aria-hidden=\"true\"><\/i><\/div><\/div><\/div><div class=\"fusion-toggle-heading\">What permits are required for a geothermal installation?<\/div><\/a><\/h4><\/div><div id=\"collapse-1-3542\" aria-labelledby=\"faq_1-3542\" class=\"panel-collapse collapse\"><div class=\"panel-body toggle-content post-content\"><p>Geothermal drillings require notification and permits. The lower water authority (Untere Wasserbeh\u00f6rde) of the relevant federal state issues the water law permit (processing time approx. 4 weeks). For depths exceeding 100 m or large-scale installations, additional mining law approval from the state mining authority is required. Water law, mining law, and reservoir law all apply.   <\/p>\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default fusion-faq-post fusion-faq-post-3541 energy \"><span class=\"entry-title rich-snippet-hidden\">Is geothermal energy subsidized in Germany?<\/span><span class=\"vcard rich-snippet-hidden\"><span class=\"fn\"><a href=\"https:\/\/geser.eu\/en\/author\/othman\/\" rel=\"author\">Ayal Othman<\/a><\/span><\/span><span class=\"updated rich-snippet-hidden\">2026-08-11T13:48:12+02:00<\/span><div class=\"panel-heading\"><h4 id=\"faq_1-3541\" class=\"panel-title toggle\"><a data-toggle=\"collapse\" class=\"collapsed\" data-parent=\"#accordian-1\" data-target=\"#collapse-1-3541\" href=\"#collapse-1-3541\" aria-expanded=\"false\"><div class=\"fusion-toggle-icon-wrapper\"><div class=\"fusion-toggle-icon-wrapper-main\"><div class=\"fusion-toggle-icon-wrapper-sub\"><i class=\"fa-fusion-box active-icon awb-icon-minus\" aria-hidden=\"true\"><\/i><i class=\"fa-fusion-box inactive-icon awb-icon-plus\" aria-hidden=\"true\"><\/i><\/div><\/div><\/div><div class=\"fusion-toggle-heading\">Is geothermal energy subsidized in Germany?<\/div><\/a><\/h4><\/div><div id=\"collapse-1-3541\" aria-labelledby=\"faq_1-3541\" class=\"panel-collapse collapse\"><div class=\"panel-body toggle-content post-content\"><p>Yes. Geothermal systems receive government subsidies in Germany. Contact your energy advisor or check current programs from BAFA (Federal Office for Economic Affairs) and KfW for up-to-date funding opportunities.  <\/p>\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default fusion-faq-post fusion-faq-post-3540 energy \"><span class=\"entry-title rich-snippet-hidden\">How much does a geothermal system cost and when does it pay off?<\/span><span class=\"vcard rich-snippet-hidden\"><span class=\"fn\"><a href=\"https:\/\/geser.eu\/en\/author\/othman\/\" rel=\"author\">Ayal Othman<\/a><\/span><\/span><span class=\"updated rich-snippet-hidden\">2026-08-11T13:47:53+02:00<\/span><div class=\"panel-heading\"><h4 id=\"faq_1-3540\" class=\"panel-title toggle\"><a data-toggle=\"collapse\" class=\"collapsed\" data-parent=\"#accordian-1\" data-target=\"#collapse-1-3540\" href=\"#collapse-1-3540\" aria-expanded=\"false\"><div class=\"fusion-toggle-icon-wrapper\"><div class=\"fusion-toggle-icon-wrapper-main\"><div class=\"fusion-toggle-icon-wrapper-sub\"><i class=\"fa-fusion-box active-icon awb-icon-minus\" aria-hidden=\"true\"><\/i><i class=\"fa-fusion-box inactive-icon awb-icon-plus\" aria-hidden=\"true\"><\/i><\/div><\/div><\/div><div class=\"fusion-toggle-heading\">How much does a geothermal system cost and when does it pay off?<\/div><\/a><\/h4><\/div><div id=\"collapse-1-3540\" aria-labelledby=\"faq_1-3540\" class=\"panel-collapse collapse\"><div class=\"panel-body toggle-content post-content\"><p>Investment costs are higher than conventional systems but are offset by long-term efficiency gains. For single-family homes, the payback period is approximately 7 years. Heat pumps draw up to 75% of their energy from the ground \u2013 you only pay for the electricity to run the pump.  <\/p>\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default fusion-faq-post fusion-faq-post-3539 energy \"><span class=\"entry-title rich-snippet-hidden\">Can geothermal energy also cool my home?<\/span><span class=\"vcard rich-snippet-hidden\"><span class=\"fn\"><a href=\"https:\/\/geser.eu\/en\/author\/othman\/\" rel=\"author\">Ayal Othman<\/a><\/span><\/span><span class=\"updated rich-snippet-hidden\">2026-08-11T13:47:38+02:00<\/span><div class=\"panel-heading\"><h4 id=\"faq_1-3539\" class=\"panel-title toggle\"><a data-toggle=\"collapse\" class=\"collapsed\" data-parent=\"#accordian-1\" data-target=\"#collapse-1-3539\" href=\"#collapse-1-3539\" aria-expanded=\"false\"><div class=\"fusion-toggle-icon-wrapper\"><div class=\"fusion-toggle-icon-wrapper-main\"><div class=\"fusion-toggle-icon-wrapper-sub\"><i class=\"fa-fusion-box active-icon awb-icon-minus\" aria-hidden=\"true\"><\/i><i class=\"fa-fusion-box inactive-icon awb-icon-plus\" aria-hidden=\"true\"><\/i><\/div><\/div><\/div><div class=\"fusion-toggle-heading\">Can geothermal energy also cool my home?<\/div><\/a><\/h4><\/div><div id=\"collapse-1-3539\" aria-labelledby=\"faq_1-3539\" class=\"panel-collapse collapse\"><div class=\"panel-body toggle-content post-content\"><p>Yes. Ground-coupled heat pumps can passively cool in summer: the coolness from the ground is fed directly into the building. This passive cooling requires only about 13% of the energy used for heating \u2013 making it extremely efficient.  <\/p>\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default fusion-faq-post fusion-faq-post-3538 energy \"><span class=\"entry-title rich-snippet-hidden\">Do I need underfloor heating for a geothermal heat pump?<\/span><span class=\"vcard rich-snippet-hidden\"><span class=\"fn\"><a href=\"https:\/\/geser.eu\/en\/author\/othman\/\" rel=\"author\">Ayal Othman<\/a><\/span><\/span><span class=\"updated rich-snippet-hidden\">2026-08-11T13:43:01+02:00<\/span><div class=\"panel-heading\"><h4 id=\"faq_1-3538\" class=\"panel-title toggle\"><a data-toggle=\"collapse\" class=\"collapsed\" data-parent=\"#accordian-1\" data-target=\"#collapse-1-3538\" href=\"#collapse-1-3538\" aria-expanded=\"false\"><div class=\"fusion-toggle-icon-wrapper\"><div class=\"fusion-toggle-icon-wrapper-main\"><div class=\"fusion-toggle-icon-wrapper-sub\"><i class=\"fa-fusion-box active-icon awb-icon-minus\" aria-hidden=\"true\"><\/i><i class=\"fa-fusion-box inactive-icon awb-icon-plus\" aria-hidden=\"true\"><\/i><\/div><\/div><\/div><div class=\"fusion-toggle-heading\">Do I need underfloor heating for a geothermal heat pump?<\/div><\/a><\/h4><\/div><div id=\"collapse-1-3538\" aria-labelledby=\"faq_1-3538\" class=\"panel-collapse collapse\"><div class=\"panel-body toggle-content post-content\"><p>No. A heat pump can operate efficiently with existing radiators, provided they are adequately sized. Lower flow temperatures increase efficiency. A professional assessment is recommended.   <\/p>\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default fusion-faq-post fusion-faq-post-3537 energy \"><span class=\"entry-title rich-snippet-hidden\">Can I use geothermal energy in an existing building?<\/span><span class=\"vcard rich-snippet-hidden\"><span class=\"fn\"><a href=\"https:\/\/geser.eu\/en\/author\/othman\/\" rel=\"author\">Ayal Othman<\/a><\/span><\/span><span class=\"updated rich-snippet-hidden\">2026-08-11T13:42:40+02:00<\/span><div class=\"panel-heading\"><h4 id=\"faq_1-3537\" class=\"panel-title toggle\"><a data-toggle=\"collapse\" class=\"collapsed\" data-parent=\"#accordian-1\" data-target=\"#collapse-1-3537\" href=\"#collapse-1-3537\" aria-expanded=\"false\"><div class=\"fusion-toggle-icon-wrapper\"><div class=\"fusion-toggle-icon-wrapper-main\"><div class=\"fusion-toggle-icon-wrapper-sub\"><i class=\"fa-fusion-box active-icon awb-icon-minus\" aria-hidden=\"true\"><\/i><i class=\"fa-fusion-box inactive-icon awb-icon-plus\" aria-hidden=\"true\"><\/i><\/div><\/div><\/div><div class=\"fusion-toggle-heading\">Can I use geothermal energy in an existing building?<\/div><\/a><\/h4><\/div><div id=\"collapse-1-3537\" aria-labelledby=\"faq_1-3537\" class=\"panel-collapse collapse\"><div class=\"panel-body toggle-content post-content\"><p>Today, virtually any building can be supplied with geothermal energy. Existing radiators can be connected to the heat pump \u2013 replacing them with underfloor heating is not mandatory. Key steps: assess heat demand, check radiator sizing, and consider improving building insulation to reduce energy consumption.   <\/p>\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default fusion-faq-post fusion-faq-post-3536 energy \"><span class=\"entry-title rich-snippet-hidden\">What types of geothermal systems are available?<\/span><span class=\"vcard rich-snippet-hidden\"><span class=\"fn\"><a href=\"https:\/\/geser.eu\/en\/author\/othman\/\" rel=\"author\">Ayal Othman<\/a><\/span><\/span><span class=\"updated rich-snippet-hidden\">2026-08-11T13:42:13+02:00<\/span><div class=\"panel-heading\"><h4 id=\"faq_1-3536\" class=\"panel-title toggle\"><a data-toggle=\"collapse\" class=\"collapsed\" data-parent=\"#accordian-1\" data-target=\"#collapse-1-3536\" href=\"#collapse-1-3536\" aria-expanded=\"false\"><div class=\"fusion-toggle-icon-wrapper\"><div class=\"fusion-toggle-icon-wrapper-main\"><div class=\"fusion-toggle-icon-wrapper-sub\"><i class=\"fa-fusion-box active-icon awb-icon-minus\" aria-hidden=\"true\"><\/i><i class=\"fa-fusion-box inactive-icon awb-icon-plus\" aria-hidden=\"true\"><\/i><\/div><\/div><\/div><div class=\"fusion-toggle-heading\">What types of geothermal systems are available?<\/div><\/a><\/h4><\/div><div id=\"collapse-1-3536\" aria-labelledby=\"faq_1-3536\" class=\"panel-collapse collapse\"><div class=\"panel-body toggle-content post-content\"><p>Three options exist:<\/p>\n<ol>\n<li><strong>Geothermal probes (boreholes)<\/strong> \u2013 vertical drilling to significant depths; space-efficient, high performance<\/li>\n<li><strong>Horizontal ground collectors<\/strong> \u2013 laid approximately 120\u2013150 cm deep; require more surface area (approx. 150\u2013200 m\u00b2 for a single-family home)<\/li>\n<li><strong>Groundwater systems (wells)<\/strong> \u2013 highly efficient, but require extensive planning and site investigation<\/li>\n<\/ol>\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default fusion-faq-post fusion-faq-post-3535 energy \"><span class=\"entry-title rich-snippet-hidden\">How does a geothermal system work?<\/span><span class=\"vcard rich-snippet-hidden\"><span class=\"fn\"><a href=\"https:\/\/geser.eu\/en\/author\/othman\/\" rel=\"author\">Ayal Othman<\/a><\/span><\/span><span class=\"updated rich-snippet-hidden\">2026-08-11T13:41:33+02:00<\/span><div class=\"panel-heading\"><h4 id=\"faq_1-3535\" class=\"panel-title toggle\"><a data-toggle=\"collapse\" class=\"collapsed\" data-parent=\"#accordian-1\" data-target=\"#collapse-1-3535\" href=\"#collapse-1-3535\" aria-expanded=\"false\"><div class=\"fusion-toggle-icon-wrapper\"><div class=\"fusion-toggle-icon-wrapper-main\"><div class=\"fusion-toggle-icon-wrapper-sub\"><i class=\"fa-fusion-box active-icon awb-icon-minus\" aria-hidden=\"true\"><\/i><i class=\"fa-fusion-box inactive-icon awb-icon-plus\" aria-hidden=\"true\"><\/i><\/div><\/div><\/div><div class=\"fusion-toggle-heading\">How does a geothermal system work?<\/div><\/a><\/h4><\/div><div id=\"collapse-1-3535\" aria-labelledby=\"faq_1-3535\" class=\"panel-collapse collapse\"><div class=\"panel-body toggle-content post-content\"><p>A certified drilling company bores a hole on your property. A geothermal probe is then installed and the heat pump connected. The probe circulates a heat transfer fluid (brine \u2013 usually a water-glycol mixture) that extracts thermal energy from the ground and transports it to the heat pump. The heat pump raises the temperature level and supplies heat and hot water for the building.   <\/p>\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default fusion-faq-post fusion-faq-post-3534 energy \"><span class=\"entry-title rich-snippet-hidden\">What is geothermal energy?<\/span><span class=\"vcard rich-snippet-hidden\"><span class=\"fn\"><a href=\"https:\/\/geser.eu\/en\/author\/othman\/\" rel=\"author\">Ayal Othman<\/a><\/span><\/span><span class=\"updated rich-snippet-hidden\">2026-08-11T13:41:15+02:00<\/span><div class=\"panel-heading\"><h4 id=\"faq_1-3534\" class=\"panel-title toggle\"><a data-toggle=\"collapse\" class=\"collapsed\" data-parent=\"#accordian-1\" data-target=\"#collapse-1-3534\" href=\"#collapse-1-3534\" aria-expanded=\"false\"><div class=\"fusion-toggle-icon-wrapper\"><div class=\"fusion-toggle-icon-wrapper-main\"><div class=\"fusion-toggle-icon-wrapper-sub\"><i class=\"fa-fusion-box active-icon awb-icon-minus\" aria-hidden=\"true\"><\/i><i class=\"fa-fusion-box inactive-icon awb-icon-plus\" aria-hidden=\"true\"><\/i><\/div><\/div><\/div><div class=\"fusion-toggle-heading\">What is geothermal energy?<\/div><\/a><\/h4><\/div><div id=\"collapse-1-3534\" aria-labelledby=\"faq_1-3534\" class=\"panel-collapse collapse\"><div class=\"panel-body toggle-content post-content\"><p>Geothermal energy is heat stored in the Earth&#8217;s interior. The Earth&#8217;s core reaches approximately 6,000 \u00b0C. Even at shallow depths, the ground maintains a constant temperature year-round, regardless of the season. This energy can be harnessed with a heat pump to heat and cool buildings.   <\/p>\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default fusion-faq-post fusion-faq-post-3499 homepage \"><span class=\"entry-title rich-snippet-hidden\">How can I contact Geser Erdw\u00e4rme?<\/span><span class=\"vcard rich-snippet-hidden\"><span class=\"fn\"><a href=\"https:\/\/geser.eu\/en\/author\/othman\/\" rel=\"author\">Ayal Othman<\/a><\/span><\/span><span class=\"updated rich-snippet-hidden\">2026-08-11T13:29:43+02:00<\/span><div class=\"panel-heading\"><h4 id=\"faq_1-3499\" class=\"panel-title toggle\"><a data-toggle=\"collapse\" class=\"collapsed\" data-parent=\"#accordian-1\" data-target=\"#collapse-1-3499\" href=\"#collapse-1-3499\" aria-expanded=\"false\"><div class=\"fusion-toggle-icon-wrapper\"><div class=\"fusion-toggle-icon-wrapper-main\"><div class=\"fusion-toggle-icon-wrapper-sub\"><i class=\"fa-fusion-box active-icon awb-icon-minus\" aria-hidden=\"true\"><\/i><i class=\"fa-fusion-box inactive-icon awb-icon-plus\" aria-hidden=\"true\"><\/i><\/div><\/div><\/div><div class=\"fusion-toggle-heading\">How can I contact Geser Erdw\u00e4rme?<\/div><\/a><\/h4><\/div><div id=\"collapse-1-3499\" aria-labelledby=\"faq_1-3499\" class=\"panel-collapse collapse\"><div class=\"panel-body toggle-content post-content\"><p>Phone: +49 (0)8385-924 924 0 \u00b7 Fax: +49 (0)8385-924 924 99 \u00b7 Email: mail[at]geser.eu<\/p>\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default fusion-faq-post fusion-faq-post-3500 homepage \"><span class=\"entry-title rich-snippet-hidden\">Does Geser have any international references in the field of geothermal energy?<\/span><span class=\"vcard rich-snippet-hidden\"><span class=\"fn\"><a href=\"https:\/\/geser.eu\/en\/author\/othman\/\" rel=\"author\">Ayal Othman<\/a><\/span><\/span><span class=\"updated rich-snippet-hidden\">2026-08-11T13:29:23+02:00<\/span><div class=\"panel-heading\"><h4 id=\"faq_1-3500\" class=\"panel-title toggle\"><a data-toggle=\"collapse\" class=\"collapsed\" data-parent=\"#accordian-1\" data-target=\"#collapse-1-3500\" href=\"#collapse-1-3500\" aria-expanded=\"false\"><div class=\"fusion-toggle-icon-wrapper\"><div class=\"fusion-toggle-icon-wrapper-main\"><div class=\"fusion-toggle-icon-wrapper-sub\"><i class=\"fa-fusion-box active-icon awb-icon-minus\" aria-hidden=\"true\"><\/i><i class=\"fa-fusion-box inactive-icon awb-icon-plus\" aria-hidden=\"true\"><\/i><\/div><\/div><\/div><div class=\"fusion-toggle-heading\">Does Geser have any international references in the field of geothermal energy?<\/div><\/a><\/h4><\/div><div id=\"collapse-1-3500\" aria-labelledby=\"faq_1-3500\" class=\"panel-collapse collapse\"><div class=\"panel-body toggle-content post-content\"><p data-pm-slice=\"1 1 []\">Yes. Geser Geothermal has numerous international references and supplies and advises partners across many European countries. These include Austria, Switzerland, Poland, Norway, Finland, Liechtenstein, Luxembourg, the Czech Republic, Iceland, Bosnia and Herzegovina, the United Kingdom, Bulgaria, Romania, North Macedonia, Spain, Hungary, Serbia, Sweden, Slovenia, Latvia, Lithuania, Denmark, Slovakia and Kosovo.  <\/p>\n<p>One particularly notable reference project was completed in Oftringen, Switzerland, in 2007, where the world\u2019s deepest documented geothermal probe was installed to a depth of 706 metres.<\/p>\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default fusion-faq-post fusion-faq-post-3501 homepage \"><span class=\"entry-title rich-snippet-hidden\">Which associations is Geser Erdw\u00e4rme a member of?<\/span><span class=\"vcard rich-snippet-hidden\"><span class=\"fn\"><a href=\"https:\/\/geser.eu\/en\/author\/othman\/\" rel=\"author\">Ayal Othman<\/a><\/span><\/span><span class=\"updated rich-snippet-hidden\">2026-08-11T13:27:25+02:00<\/span><div class=\"panel-heading\"><h4 id=\"faq_1-3501\" class=\"panel-title toggle\"><a data-toggle=\"collapse\" class=\"collapsed\" data-parent=\"#accordian-1\" data-target=\"#collapse-1-3501\" href=\"#collapse-1-3501\" aria-expanded=\"false\"><div class=\"fusion-toggle-icon-wrapper\"><div class=\"fusion-toggle-icon-wrapper-main\"><div class=\"fusion-toggle-icon-wrapper-sub\"><i class=\"fa-fusion-box active-icon awb-icon-minus\" aria-hidden=\"true\"><\/i><i class=\"fa-fusion-box inactive-icon awb-icon-plus\" aria-hidden=\"true\"><\/i><\/div><\/div><\/div><div class=\"fusion-toggle-heading\">Which associations is Geser Erdw\u00e4rme a member of?<\/div><\/a><\/h4><\/div><div id=\"collapse-1-3501\" aria-labelledby=\"faq_1-3501\" class=\"panel-collapse collapse\"><div class=\"panel-body toggle-content post-content\"><p>Geser Erdw\u00e4rme is a founding member of Erdw\u00e4rme Gemeinschaft Bayern e.V. and a member of V\u00d6BU, GtV, and bwp.<\/p>\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default fusion-faq-post fusion-faq-post-3502 homepage \"><span class=\"entry-title rich-snippet-hidden\">What is Geser&#8217;s company motto?<\/span><span class=\"vcard rich-snippet-hidden\"><span class=\"fn\"><a href=\"https:\/\/geser.eu\/en\/author\/othman\/\" rel=\"author\">Ayal Othman<\/a><\/span><\/span><span class=\"updated rich-snippet-hidden\">2026-08-11T13:27:02+02:00<\/span><div class=\"panel-heading\"><h4 id=\"faq_1-3502\" class=\"panel-title toggle\"><a data-toggle=\"collapse\" class=\"collapsed\" data-parent=\"#accordian-1\" data-target=\"#collapse-1-3502\" href=\"#collapse-1-3502\" aria-expanded=\"false\"><div class=\"fusion-toggle-icon-wrapper\"><div class=\"fusion-toggle-icon-wrapper-main\"><div class=\"fusion-toggle-icon-wrapper-sub\"><i class=\"fa-fusion-box active-icon awb-icon-minus\" aria-hidden=\"true\"><\/i><i class=\"fa-fusion-box inactive-icon awb-icon-plus\" aria-hidden=\"true\"><\/i><\/div><\/div><\/div><div class=\"fusion-toggle-heading\">What is Geser&#8217;s company motto?<\/div><\/a><\/h4><\/div><div id=\"collapse-1-3502\" aria-labelledby=\"faq_1-3502\" class=\"panel-collapse collapse\"><div class=\"panel-body toggle-content post-content\"><p>&#8220;From practice to practice.&#8221; Core values are precision, sustainability, and innovation \u2013 always with the goal of continuously improving products and services for customers.&#8221;From practice to practice.&#8221; The company&#8217;s values are precision, sustainability, and innovation\u2014always with the goal of continuously improving its products and services.<\/p>\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default fusion-faq-post fusion-faq-post-3503 homepage \"><span class=\"entry-title rich-snippet-hidden\">How long has Geser been involved in geothermal energy?<\/span><span class=\"vcard rich-snippet-hidden\"><span class=\"fn\"><a href=\"https:\/\/geser.eu\/en\/author\/othman\/\" rel=\"author\">Ayal Othman<\/a><\/span><\/span><span class=\"updated rich-snippet-hidden\">2026-08-11T13:33:50+02:00<\/span><div class=\"panel-heading\"><h4 id=\"faq_1-3503\" class=\"panel-title toggle\"><a data-toggle=\"collapse\" class=\"collapsed\" data-parent=\"#accordian-1\" data-target=\"#collapse-1-3503\" href=\"#collapse-1-3503\" aria-expanded=\"false\"><div class=\"fusion-toggle-icon-wrapper\"><div class=\"fusion-toggle-icon-wrapper-main\"><div class=\"fusion-toggle-icon-wrapper-sub\"><i class=\"fa-fusion-box active-icon awb-icon-minus\" aria-hidden=\"true\"><\/i><i class=\"fa-fusion-box inactive-icon awb-icon-plus\" aria-hidden=\"true\"><\/i><\/div><\/div><\/div><div class=\"fusion-toggle-heading\">How long has Geser been involved in geothermal energy?<\/div><\/a><\/h4><\/div><div id=\"collapse-1-3503\" aria-labelledby=\"faq_1-3503\" class=\"panel-collapse collapse\"><div class=\"panel-body toggle-content post-content\"><p>Stefan Geser has been active in the geothermal and drilling business since 1979. He developed a new drilling method between 1991\u20131992 and an innovative probe base in 1994. In 2007, Geser installed the world&#8217;s deepest documented PE geothermal probe at 706 m in Oftringen, Switzerland.  <\/p>\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default fusion-faq-post fusion-faq-post-3504 homepage \"><span class=\"entry-title rich-snippet-hidden\">Where is Geser Erdw\u00e4rme located?<\/span><span class=\"vcard rich-snippet-hidden\"><span class=\"fn\"><a href=\"https:\/\/geser.eu\/en\/author\/othman\/\" rel=\"author\">Ayal Othman<\/a><\/span><\/span><span class=\"updated rich-snippet-hidden\">2026-08-11T13:26:17+02:00<\/span><div class=\"panel-heading\"><h4 id=\"faq_1-3504\" class=\"panel-title toggle\"><a data-toggle=\"collapse\" class=\"collapsed\" data-parent=\"#accordian-1\" data-target=\"#collapse-1-3504\" href=\"#collapse-1-3504\" aria-expanded=\"false\"><div class=\"fusion-toggle-icon-wrapper\"><div class=\"fusion-toggle-icon-wrapper-main\"><div class=\"fusion-toggle-icon-wrapper-sub\"><i class=\"fa-fusion-box active-icon awb-icon-minus\" aria-hidden=\"true\"><\/i><i class=\"fa-fusion-box inactive-icon awb-icon-plus\" aria-hidden=\"true\"><\/i><\/div><\/div><\/div><div class=\"fusion-toggle-heading\">Where is Geser Erdw\u00e4rme located?<\/div><\/a><\/h4><\/div><div id=\"collapse-1-3504\" aria-labelledby=\"faq_1-3504\" class=\"panel-collapse collapse\"><div class=\"panel-body toggle-content post-content\"><p>Geser Erdw\u00e4rme has two locations: Headquarters and Plant II. Contact: Phone +49 (0)8385-924 924 0 \u00b7 mail[at]geser.euGeser Erdw\u00e4rme has two locations: its headquarters and Plant II. Contact: Phone +49 (0)8385-924 924 0 \u00b7 mail[at]geser.eu<\/p>\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default fusion-faq-post fusion-faq-post-3505 homepage \"><span class=\"entry-title rich-snippet-hidden\">What does Geser Erdw\u00e4rme do?<\/span><span class=\"vcard rich-snippet-hidden\"><span class=\"fn\"><a href=\"https:\/\/geser.eu\/en\/author\/othman\/\" rel=\"author\">Ayal Othman<\/a><\/span><\/span><span class=\"updated rich-snippet-hidden\">2026-08-11T13:25:56+02:00<\/span><div class=\"panel-heading\"><h4 id=\"faq_1-3505\" class=\"panel-title toggle\"><a data-toggle=\"collapse\" class=\"collapsed\" data-parent=\"#accordian-1\" data-target=\"#collapse-1-3505\" href=\"#collapse-1-3505\" aria-expanded=\"false\"><div class=\"fusion-toggle-icon-wrapper\"><div class=\"fusion-toggle-icon-wrapper-main\"><div class=\"fusion-toggle-icon-wrapper-sub\"><i class=\"fa-fusion-box active-icon awb-icon-minus\" aria-hidden=\"true\"><\/i><i class=\"fa-fusion-box inactive-icon awb-icon-plus\" aria-hidden=\"true\"><\/i><\/div><\/div><\/div><div class=\"fusion-toggle-heading\">What does Geser Erdw\u00e4rme do?<\/div><\/a><\/h4><\/div><div id=\"collapse-1-3505\" aria-labelledby=\"faq_1-3505\" class=\"panel-collapse collapse\"><div class=\"panel-body toggle-content post-content\"><p>Geser produces and distributes high-quality components for geothermal systems: geothermal probes, probe bases, distributors, distribution manholes, drilling accessories, drilling tools, brine liquid, and much more. The company also offers consulting, planning, camera inspection services, and waterjet cutting. <\/p>\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default fusion-faq-post fusion-faq-post-3507 homepage \"><span class=\"entry-title rich-snippet-hidden\">What is Geser Geothermal Energy?<\/span><span class=\"vcard rich-snippet-hidden\"><span class=\"fn\"><a href=\"https:\/\/geser.eu\/en\/author\/othman\/\" rel=\"author\">Ayal Othman<\/a><\/span><\/span><span class=\"updated rich-snippet-hidden\">2026-08-11T13:25:34+02:00<\/span><div class=\"panel-heading\"><h4 id=\"faq_1-3507\" class=\"panel-title toggle\"><a data-toggle=\"collapse\" class=\"collapsed\" data-parent=\"#accordian-1\" data-target=\"#collapse-1-3507\" href=\"#collapse-1-3507\" aria-expanded=\"false\"><div class=\"fusion-toggle-icon-wrapper\"><div class=\"fusion-toggle-icon-wrapper-main\"><div class=\"fusion-toggle-icon-wrapper-sub\"><i class=\"fa-fusion-box active-icon awb-icon-minus\" aria-hidden=\"true\"><\/i><i class=\"fa-fusion-box inactive-icon awb-icon-plus\" aria-hidden=\"true\"><\/i><\/div><\/div><\/div><div class=\"fusion-toggle-heading\">What is Geser Geothermal Energy?<\/div><\/a><\/h4><\/div><div id=\"collapse-1-3507\" aria-labelledby=\"faq_1-3507\" class=\"panel-collapse collapse\"><div class=\"panel-body toggle-content post-content\"><p>Geser Erdw\u00e4rme is a mid-sized company based in the Westallg\u00e4u region of Bavaria, Germany, specializing in the production, trading, consulting, and innovation of geothermal energy systems. The company was founded by Stefan Geser, who has been active in the geothermal and drilling industry since 1979. <\/p>\n<\/div><\/div><\/div><\/div><\/div><\/div><\/div><script type=\"application\/ld+json\">\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@graph\": [\n    {\n      \"@type\": \"WebPage\",\n      \"@id\": \"https:\/\/geser.eu\/en\/faq\/#webpage\",\n      \"url\": \"https:\/\/geser.eu\/en\/faq\/\",\n      \"name\": \"Frequently Asked Questions about Geothermal Energy & Geser\",\n      \"description\": \"Frequently asked questions about Geser Erdw\u00e4rme, geothermal energy, geothermal probes, products, services, drilling technology, consulting and applications.\",\n      \"isPartOf\": {\n        \"@id\": \"https:\/\/geser.eu\/#website\"\n      },\n      \"about\": {\n        \"@id\": \"https:\/\/geser.eu\/#organization\"\n      },\n      \"publisher\": {\n        \"@id\": \"https:\/\/geser.eu\/#organization\"\n      },\n      \"mainEntity\": {\n        \"@id\": \"https:\/\/geser.eu\/en\/faq\/#faq\"\n      },\n      \"inLanguage\": \"en\"\n    },\n    {\n      \"@type\": \"FAQPage\",\n      \"@id\": \"https:\/\/geser.eu\/en\/faq\/#faq\",\n      \"url\": \"https:\/\/geser.eu\/en\/faq\/\",\n      \"isPartOf\": {\n        \"@id\": \"https:\/\/geser.eu\/en\/faq\/#webpage\"\n      },\n      \"about\": [\n        {\n          \"@id\": \"https:\/\/geser.eu\/#organization\"\n        },\n        {\n          \"@type\": \"Thing\",\n          \"name\": \"Geothermal energy\"\n        },\n        {\n          \"@type\": \"Thing\",\n          \"name\": \"Geothermal probes\"\n        },\n        {\n          \"@type\": \"Thing\",\n          \"name\": \"Borehole heat exchanger systems\"\n        }\n      ],\n      \"inLanguage\": \"en\",\n      \"mainEntity\": [\n        {\n          \"@type\": \"Question\",\n          \"name\": \"What is Geser Erdw\u00e4rme?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"Geser Erdw\u00e4rme is a medium-sized company based in the Westallg\u00e4u region of Bavaria, Germany, specializing in the production, distribution, consulting and innovation of geothermal energy systems. The company was founded by Stefan Geser, who has been active in the geothermal and drilling industry since 1979.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"What does Geser Erdw\u00e4rme do?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"Geser produces and distributes high-quality components for geothermal systems, including geothermal probes, probe bases, manifolds, manholes, drilling accessories, drilling tools, brine liquids and other components. The company also provides consulting, planning, geothermal probe camera inspections and waterjet cutting services.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"Where is Geser Erdw\u00e4rme located?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"Geser Erdw\u00e4rme has two locations, with its headquarters in the Westallg\u00e4u region of Bavaria. The headquarters are located at Mywiler 160 1\/4, 88145 Opfenbach, Germany. Geser can be contacted by phone at +49 (0)8385-924 924 0 or by email at mail@geser.eu.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"How long has Geser been active in geothermal energy?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"Stefan Geser has been active in the geothermal and drilling industry since 1979. Between 1991 and 1992, he developed a new drilling method, followed by an innovative probe base in 1994. In 2007, a documented 706-metre PE geothermal probe was installed in Oftringen, Switzerland.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"What is Geser's company motto?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"Geser's motto is \\\"From practice to practice.\\\" The company's core values are precision, sustainability and innovation, with the goal of continuously improving its products and services.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"Which associations is Geser Erdw\u00e4rme a member of?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"Geser Erdw\u00e4rme is a founding member of Erdw\u00e4rme Gemeinschaft Bayern e.V. and is also a member of V\u00d6BU, GtV and bwp.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"Does Geser Erdw\u00e4rme have international references?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"Yes. Geser Erdw\u00e4rme has numerous international references and supplies and advises partners across many European countries. These include Austria, Switzerland, Poland, Norway, Finland, Liechtenstein, Luxembourg, the Czech Republic, Iceland, Bosnia and Herzegovina, the United Kingdom, Bulgaria, Romania, North Macedonia, Spain, Hungary, Serbia, Sweden, Slovenia, Latvia, Lithuania, Denmark, Slovakia and Kosovo. One notable reference project was completed in Oftringen, Switzerland, in 2007, where a documented geothermal probe was installed to a depth of 706 metres.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"How can I contact Geser Erdw\u00e4rme?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"Geser Erdw\u00e4rme can be contacted by phone at +49 (0)8385-924 924 0, by fax at +49 (0)8385-924 924 99 or by email at mail@geser.eu.\"\n          }\n        },\n\n        {\n          \"@type\": \"Question\",\n          \"name\": \"What products does Geser Geothermal offer?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"Geser Geothermal offers a comprehensive product range for geothermal systems. This includes geothermal probes, probe bases, manifolds and manholes, drilling accessories, installation aids, electrofusion fittings, brine liquids, as well as grouting materials and rinsing additives.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"What geothermal probes does Geser offer?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"Geser offers geothermal probes for different system sizes, depths and applications. Available options include systems in diameters DA32, DA40 and DA50, as well as special solutions for single- and multi-circuit systems. The probe materials used are subject to third-party monitoring by an accredited institute.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"What manifolds and manholes are available from Geser?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"Geser manufactures standard and Vario manifolds that can be configured according to the number of geothermal probes and the required flow rates. Various types of manholes are also available, including lightweight plastic manholes, rectangular manholes, round manholes and custom-built special solutions.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"Does Geser also offer accessories for installing geothermal probes?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"Yes. The product range includes various installation aids such as installation reels, flushing trays, weighting systems, pressure-testing components and probe anchors. Geser also offers camera systems for inspecting geothermal probes to depths of up to 350 metres.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"What brine liquids does Geser offer for geothermal systems?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"Geser supplies approved brine liquids and antifreeze concentrates based on ethylene glycol and propylene glycol. They can be used in geothermal probe systems, horizontal collector systems and direct evaporation systems.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"Does Geser also offer products for drilling and grouting geothermal probes?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"Yes. Geser offers professional drilling accessories such as down-the-hole hammers, drill rods, casings, eccentric drill bits and additional drill-string accessories. Geser also supplies tested grouting materials and rinsing additives that support thermal coupling, hydraulic sealing and borehole stabilization.\"\n          }\n        },\n\n        {\n          \"@type\": \"Question\",\n          \"name\": \"What services does Geser Erdw\u00e4rme offer?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"Geser offers three core services: consulting, manufacturing and supply relating to borehole heat exchanger systems, manifold systems and manifold chambers; manifold installation in concrete and PE manholes, including the required extension pipes from the geothermal probes to the plant room; and camera inspections of geothermal probes, for example in cases of suspected leaks or damage. Waterjet cutting is also available as an additional service.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"How does Geser's consulting service work?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"Stefan Geser has been active in drilling and geothermal energy since 1979. This expertise is available to customers through personal consultation, covering planning, component selection and technical questions relating to geothermal probe systems.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"What is a camera inspection for geothermal probes?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"In cases of probe leakage, Geser can perform an endoscopic inspection of individual geothermal probe pipes in diameters DA32, DA40, DA50 and larger down to a depth of 350 metres. A specialized camera records the inspection, damaged areas are precisely located using simultaneous depth measurement, and possible causes can be assessed.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"How deep can Geser inspect geothermal probes with the camera?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"Geser can inspect geothermal probes with a specialized camera down to a depth of 350 metres.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"What is waterjet cutting and which materials can be processed?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"Geser operates a Mach 3b waterjet machine with dynamic waterjet technology, a cutting pressure of 4,150 bar and a working area of 2 \u00d7 4 metres. It can be used to produce preventer seals, wellhead seals and special seals, as well as precision cuts in steel, marble, stone, glass, composites and many other materials.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"What downloads does Geser Erdw\u00e4rme provide?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"The service page provides downloads including the GESER product catalog, general terms and conditions, JANSEN product brochures, Excel configuration tools for manifolds, manhole dimensions, test reports for ground probe bases, SKZ certificates and tax-related certificates.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"Does Geser Erdw\u00e4rme hold relevant certifications?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"Yes. Geser Erdw\u00e4rme is authorized to use the SKZ Test and Monitoring Mark for geothermal systems. This certification is based on the SKZ Testing and Monitoring Specification HR 3.26:2022-10 and is available in German, English and French.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"Can Geser support large-scale geothermal plants?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"Yes. In addition to smaller geothermal systems, Geser also supports large-scale geothermal projects and has experience with major international installations.\"\n          }\n        },\n\n        {\n          \"@type\": \"Question\",\n          \"name\": \"What is geothermal energy?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"Geothermal energy is heat stored in the Earth's interior. The Earth's core reaches approximately 6,000 \u00b0C. Even at shallow depths, the ground maintains a relatively constant temperature throughout the year. This energy can be harnessed with a heat pump to heat and cool buildings.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"How does a geothermal system work?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"A certified drilling company bores a hole on the property. A geothermal probe is then installed and connected to a heat pump. A heat transfer fluid, usually a water-glycol brine mixture, circulates through the probe, extracts thermal energy from the ground and transports it to the heat pump.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"What types of geothermal systems are available?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"Three main types of geothermal systems are available: geothermal probes using vertical boreholes, horizontal ground collectors installed close to the surface, and groundwater systems using wells.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"Can I use geothermal energy in an existing building?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"Yes. Geothermal energy can also be used in existing buildings. Existing radiators can be connected to a heat pump, so replacing them with underfloor heating is not necessarily required. Heat demand, radiator sizing and building insulation should be assessed when planning the system.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"Do I need underfloor heating for a geothermal heat pump?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"No. A geothermal heat pump can also operate with existing radiators if they are appropriately sized. Lower flow temperatures improve heat pump efficiency.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"Can geothermal energy also cool my home?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"Yes. Ground-coupled geothermal systems can provide passive cooling during the summer. The relatively low temperature of the ground is used to cool the building. According to Geser, passive cooling requires only around 13 percent of the energy used for heating.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"How much does a geothermal system cost and when does it pay off?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"A geothermal system generally requires a higher initial investment than a conventional heating system. However, lower operating costs can offset this over time. For single-family homes, an approximate payback period of seven years is stated. Heat pumps can draw up to 75 percent of their required energy from the ground.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"Is geothermal energy subsidized in Germany?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"Yes. Geothermal systems can qualify for government subsidies in Germany. Current funding programmes and requirements should be checked with an energy consultant and the relevant funding bodies such as BAFA and KfW.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"What permits are required for a geothermal installation?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"Geothermal drilling generally requires notification and regulatory approval. The responsible local water authority handles the water-law approval. Depending on drilling depth, location and project size, additional approval from the relevant mining authority may also be required.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"Is geothermal energy environmentally friendly?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"Yes. Geothermal heat pumps can operate with very low CO2 emissions. If the electricity required to run the heat pump comes from renewable energy sources, emissions can be reduced even further. Geothermal systems also reduce dependence on fossil fuels.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"How long does a geothermal system last?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"Geothermal probes are designed for a very long service life and can remain in use for several generations. Their thermal performance can be maintained for decades. Heat pumps themselves typically have a service life of around 20 to 25 years.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"How do I choose a qualified drilling company?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"Look for certification according to DVGW working sheet W 120. A qualified drilling company should understand the local geology, be able to provide reference projects and supply complete documentation of the drilling work.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"What is the deepest documented geothermal probe ever installed?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"According to Geser, the world's deepest documented 40 mm two-circuit PE geothermal probe was successfully installed by Geser Erdw\u00e4rme in Oftringen, Switzerland, on 6 and 7 November 2007. The probe reached a depth of 706 metres and was installed on behalf of NOK.\"\n          }\n        }\n      ]\n    }\n  ]\n}\n<\/script><\/div><\/div><\/div><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":4,"featured_media":2737,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"100-width.php","meta":{"_acf_changed":false,"_seopress_titles_title":"%%sitetitle%% %%sep%% %%post_title%%","_seopress_titles_desc":"FAQs on Geser Geothermal Energy: Answers about geothermal energy, geothermal probes, products, services, drilling technology, consulting, installation, and applications.","_seopress_robots_index":"","_seopress_robots_follow":"","_seopress_robots_imageindex":"","_seopress_robots_snippet":"","_seopress_robots_primary_cat":"","_seopress_robots_breadcrumbs":"","_seopress_robots_freeze_modified_date":"","_seopress_robots_custom_modified_date":"","_seopress_robots_canonical":"","_seopress_social_fb_title":"","_seopress_social_fb_desc":"","_seopress_social_fb_img":"","_seopress_social_fb_img_attachment_id":0,"_seopress_social_fb_img_width":0,"_seopress_social_fb_img_height":0,"_seopress_social_twitter_title":"","_seopress_social_twitter_desc":"","_seopress_social_twitter_img":"","_seopress_social_twitter_img_attachment_id":0,"_seopress_social_twitter_img_width":0,"_seopress_social_twitter_img_height":0,"_seopress_redirections_value":"","_seopress_redirections_enabled":"","_seopress_redirections_enabled_regex":"","_seopress_redirections_logged_status":"","_seopress_redirections_param":"","_seopress_redirections_type":0,"_seopress_analysis_target_kw":"","_seopress_news_disabled":"","_seopress_video_disabled":"","_seopress_video":[],"_seopress_pro_schemas_manual":[],"_seopress_pro_rich_snippets_disable_all":"","_seopress_pro_rich_snippets_disable":[],"_seopress_pro_schemas":[],"footnotes":""},"class_list":["post-3595","page","type-page","status-publish","has-post-thumbnail","hentry"],"acf":[],"publishpress_future_action":{"enabled":false,"date":"2026-08-18 18:29:49","action":"change-status","newStatus":"draft","terms":[],"taxonomy":"translation_priority","extraData":[]},"publishpress_future_workflow_manual_trigger":{"enabledWorkflows":[]},"_links":{"self":[{"href":"https:\/\/geser.eu\/en\/wp-json\/wp\/v2\/pages\/3595","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/geser.eu\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/geser.eu\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/geser.eu\/en\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/geser.eu\/en\/wp-json\/wp\/v2\/comments?post=3595"}],"version-history":[{"count":4,"href":"https:\/\/geser.eu\/en\/wp-json\/wp\/v2\/pages\/3595\/revisions"}],"predecessor-version":[{"id":3617,"href":"https:\/\/geser.eu\/en\/wp-json\/wp\/v2\/pages\/3595\/revisions\/3617"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/geser.eu\/en\/wp-json\/wp\/v2\/media\/2737"}],"wp:attachment":[{"href":"https:\/\/geser.eu\/en\/wp-json\/wp\/v2\/media?parent=3595"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}