{"id":40415,"date":"2026-01-26T22:56:13","date_gmt":"2026-01-26T21:56:13","guid":{"rendered":"https:\/\/rebotherm.de\/carbon-surface-heating-vs-heat-pump-a-comparison-of-economic-efficiency\/"},"modified":"2026-04-12T13:58:54","modified_gmt":"2026-04-12T11:58:54","slug":"carbon-surface-heating-vs-heat-pump-a-comparison-of-economic-efficiency","status":"publish","type":"page","link":"https:\/\/rebotherm.de\/en\/carbon-surface-heating-vs-heat-pump-a-comparison-of-economic-efficiency\/","title":{"rendered":"Carbon Surface Heating vs. Heat Pump \u2013 A Comparison of Economic Efficiency"},"content":{"rendered":"<div class=\"et_pb_section_0 et_pb_section et_section_regular et_block_section section_has_divider et_pb_bottom_divider\">\n<div class=\"et_pb_row_0 et_pb_row et_block_row\">\n<div class=\"et_pb_column_0 et_pb_column et_pb_column_4_4 et-last-child et_block_column et_pb_css_mix_blend_mode_passthrough\">\n<div class=\"et_pb_text_0 et_pb_text et_pb_bg_layout_light et_pb_module et_block_module\"><div class=\"et_pb_text_inner\"><p>Carbon heating vs. heat pump<\/p>\n<\/div><\/div>\n<\/div>\n<\/div>\n<div class=\"et_pb_bottom_inside_divider et-no-transition\"><\/div><\/div>\n\n<div class=\"et_pb_section_1 et_pb_section et_section_regular et_block_section\">\n<div class=\"et_pb_row_1 et_pb_row et_block_row\">\n<div class=\"et_pb_column_1 et_pb_column et_pb_column_4_4 et-last-child et_block_column et_pb_css_mix_blend_mode_passthrough\">\n<div class=\"et_pb_code_0 et_pb_code et_pb_module\"><div class=\"et_pb_code_inner\"><!--\n  Rebotherm \u2013 Unterseite \"Carbon-Fl\u00e4chenheizung vs. W\u00e4rmepumpe \u2013 Wirtschaftlichkeit\"\n  FIX & FERTIG f\u00fcrs Divi CODE-Modul (inkl. 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14px;background:#fff}\n    details.rb-faq summary{cursor:pointer;font-weight:700}\n    details.rb-faq p{margin:10px 0 0;color:#333}\n\n    .rb-callout{border-left:4px solid var(--rb-brand);padding:10px 12px;background:#f3fbff;border-radius:12px}\n    .rb-h2{font-size:22px;margin:0 0 10px}\n    .rb-ul{margin:8px 0 0 18px}\n    .rb-footer{font-size:12px;color:#666}\n\n    \/* CTA band *\/\n    .rb-ctaBand{\n      border:1px solid var(--rb-border);\n      background:linear-gradient(180deg, #f3fbff 0%, #ffffff 100%);\n      border-radius:16px;\n      padding:14px 16px;\n      display:flex;\n      flex-wrap:wrap;\n      gap:10px;\n      align-items:center;\n      justify-content:space-between;\n      margin-top:12px;\n    }\n    .rb-ctaBand .rb-ctaText{margin:0;color:#333;max-width:640px}\n    .rb-ctaBand .rb-ctaText strong{color:var(--rb-text)}\n  <\/style>\n\n  <!-- KONFIG: Ziel-URL f\u00fcr CTA hier einmalig anpassen -->\n  <!-- Beispiel: \/kontakt oder \/anfrage-wirtschaftlichkeit -->\n  <span style=\"display:none\" id=\"rb-cta-url\">\/kontakt<\/span>\n\n  <!-- HERO -->\n  <header class=\"rb-hero\">\n    <div>\n      <h1>Carbon Surface Heating vs. Heat Pump \u2013 Economic Efficiency<\/h1>\n      <p>\n  Comparison of <strong>power consumption<\/strong>, <strong>investment costs<\/strong>,\n        <strong>funding logic<\/strong>, and <strong>PV self-consumption<\/strong> \u2013 with a real reference case.\n      <\/p>\n\n      <div class=\"rb-badges\" aria-label=\"Kernaussagen\">\n        <span class=\"rb-badge\">\n          <svg class=\"rb-ico\" viewbox=\"0 0 24 24\" aria-hidden=\"true\"><path d=\"M3 5h18v2H3V5zm0 6h18v2H3v-2zm0 6h18v2H3v-2z\"\/><\/svg>\n  Focus: paid kWh\/year\n        <\/span>\n        <span class=\"rb-badge\">\n          <svg class=\"rb-ico\" viewbox=\"0 0 24 24\" aria-hidden=\"true\"><path d=\"M12 2l9 7v13H3V9l9-7zm0 2.6L5 9v11h14V9l-7-4.4z\"\/><\/svg>\n  Reference: detached house, very good standard\n        <\/span>\n        <span class=\"rb-badge\">\n          <svg class=\"rb-ico\" viewbox=\"0 0 24 24\" aria-hidden=\"true\"><path d=\"M13 2L3 14h7l-1 8 10-12h-7l1-8z\"\/><\/svg>\n  PV: 10 kWp\n        <\/span>\n        <span class=\"rb-badge\">\n          <svg class=\"rb-ico\" viewbox=\"0 0 24 24\" aria-hidden=\"true\"><path d=\"M7 4h10v2H7V4zm-2 4h14v12H5V8zm2 2v8h10v-8H7z\"\/><\/svg>\n  Hot water separate\n        <\/span>\n      <\/div>\n\n      <!-- CTA #1 (oben, f\u00fcr schnelle Entscheider) -->\n      <div class=\"rb-cta\" aria-label=\"Schnell-Anfrage\">\n        <a class=\"rb-btn rb-cta\" href=\"https:\/\/rebotherm.de\/en\/contact-us\/\">\n          <svg class=\"rb-ico rb-icoLg\" viewbox=\"0 0 24 24\" aria-hidden=\"true\"><path d=\"M12 2a10 10 0 1 0 10 10A10 10 0 0 0 12 2zm1 11h4v-2h-4V7h-2v4H7v2h4v4h2z\"\/><\/svg>\n  Request Individual Economic Efficiency Analysis\n        <\/a>\n      <\/div>\n      <p class=\"rb-note\">Recommended if you already know the living space, building standard, and PV data (if applicable).<\/p>\n    <\/div>\n\n    <div class=\"rb-logoWrap\">\n      <!-- Logo-Pfad bitte anpassen -->\n      <img decoding=\"async\" class=\"rb-logo\" src=\"https:\/\/rebotherm.de\/wp-content\/uploads\/2024\/05\/cropped-rebotherm-favicon-1.png\" alt=\"Rebotherm Logo\" title=\"\">\n    <\/div>\n  <\/header>\n\n  <!-- REFERENZFALL + KPI -->\n  <div class=\"rb-grid\">\n    <section class=\"rb-card\" aria-labelledby=\"ref-fall\">\n      <h2 id=\"ref-fall\">1) Reference Case<\/h2>\n      <p>\n        <strong>Property:<\/strong> detached house, very good efficiency standard, <strong>82 m\u00b2<\/strong> living space.<br>      <strong>Use:<\/strong> all rooms constant <strong>22 \u00b0C<\/strong> (24\/7).<br>      <strong>Hot water:<\/strong> external (instantaneous water heater), <strong>not included<\/strong>.<br>      <strong>PV:<\/strong> 10 kWp installed.\n      <\/p>\n      <div class=\"rb-callout\">\n        <strong>Classification:<\/strong> With very low heating loads, the \n <strong>overall economic efficiency<\/strong> (investment + operation + PV + funding) often plays a greater role than a pure percentage discussion.\n      <\/div>\n    <\/section>\n\n    <aside class=\"rb-card\" aria-labelledby=\"kpi\">\n      <h2 id=\"kpi\">Key figures<\/h2>\n      <div class=\"rb-kpi\">\n        <div class=\"rb-metric\">\n          <div class=\"rb-label\">Carbon Heating (measured)<\/div>\n          <div class=\"rb-value\">1,615 kWh\/year<\/div>\n          <div class=\"rb-mini\">space heating only (2025)<\/div>\n        <\/div>\n        <div class=\"rb-metric\">\n          <div class=\"rb-label\">Heat Pump (practical range)<\/div>\n          <div class=\"rb-value\">\u2248 300\u2013700 kWh\/year<\/div>\n          <div class=\"rb-mini\">space heating only<\/div>\n        <\/div>\n        <div class=\"rb-metric\">\n          <div class=\"rb-label\">Carbon Investment<\/div>\n          <div class=\"rb-value\">\u2248 \u20ac8,000<\/div>\n          <div class=\"rb-mini\">Reference value<\/div>\n        <\/div>\n        <div class=\"rb-metric\">\n          <div class=\"rb-label\">Heat Pump Investment<\/div>\n          <div class=\"rb-value\">\u2248 \u20ac30,000<\/div>\n          <div class=\"rb-mini\">incl. underfloor heating\/control\/installation <\/div>\n        <\/div>\n      <\/div>\n      <p class=\"rb-note\">\n  The heat pump is more efficient, the carbon heating system is low-investment. The valuation is therefore an overall calculation.\n      <\/p>\n    <\/aside>\n  <\/div>\n\n  <div class=\"rb-divider\"><\/div>\n\n  <!-- VERGLEICH -->\n  <section class=\"rb-card\" aria-labelledby=\"vergleich\">\n    <h2 class=\"rb-h2\" id=\"vergleich\">2) Comparison: Consumption, Costs, Funding, PV<\/h2>\n\n    <table class=\"rb-table\" role=\"table\" aria-label=\"Vergleich Carbon vs W\u00e4rmepumpe\">\n      <thead>\n        <tr>\n          <th>Criterion<\/th>\n          <th>Carbon Surface Heating<\/th>\n          <th>Heat Pump<\/th>\n        <\/tr>\n      <\/thead>\n      <tbody>\n        <tr>\n          <td><strong>Power Consumption Space Heating<\/strong><\/td>\n          <td>1,615 kWh\/year (measured)<\/td>\n          <td>\u2248 300\u2013700 kWh\/year (practical range)<\/td>\n        <\/tr>\n        <tr>\n          <td><strong>Investment Costs<\/strong><\/td>\n          <td>\u2248 \u20ac8,000<\/td>\n          <td>\u2248 \u20ac30,000 (incl. underfloor heating\/control\/installation)<\/td>\n        <\/tr>\n        <tr>\n          <td><strong>Additional Investment HP<\/strong><\/td>\n          <td>\u2013<\/td>\n          <td>\u2248 \u20ac22,000<\/td>\n        <\/tr>\n        <tr>\n          <td><strong>Funding Logic<\/strong><\/td>\n          <td>Eligibility for funding possibly <em>via building standard<\/em> (overall concept)<\/td>\n          <td>often directly eligible <em>as an individual measure<\/em> (depending on the program)<\/td>\n        <\/tr>\n        <tr>\n          <td><strong>PV Self-Consumption<\/strong><\/td>\n          <td>tends to be higher<\/td>\n          <td>tends to be lower<\/td>\n        <\/tr>\n        <tr>\n          <td><strong>Maintenance &amp; Complexity<\/strong><\/td>\n          <td>very low<\/td>\n          <td>higher<\/td>\n        <\/tr>\n      <\/tbody>\n    <\/table>\n\n    <!-- CTA #2 (direkt nach den Kernfakten, sehr gute Conversion-Position) -->\n    <div class=\"rb-ctaBand\" aria-label=\"CTA nach Vergleich\">\n      <p class=\"rb-ctaText\">\n        <strong>Would you like to know what this means for your building?<\/strong>\n  We create an individual economic efficiency analysis based on your key data.\n      <\/p>\n      <a class=\"rb-btn rb-cta\" href=\"https:\/\/rebotherm.de\/en\/contact-us\/\">\n        <svg class=\"rb-ico rb-icoLg\" viewbox=\"0 0 24 24\" aria-hidden=\"true\"><path d=\"M4 4h16v12H5.2L4 17.2V4zm2 2v8h12V6H6zm0 10h10v2H6v-2z\"\/><\/svg>\n  Request Economic Efficiency Analysis\n      <\/a>\n    <\/div>\n\n    <p class=\"rb-note\">\n  Note: This page is a building-specific example and does not replace individual planning or a binding funding review.\n    <\/p>\n  <\/section>\n\n  <div class=\"rb-divider\"><\/div>\n\n  <!-- AMORTISATION -->\n  <section class=\"rb-card\" aria-labelledby=\"amortisation\">\n    <h2 class=\"rb-h2\" id=\"amortisation\">3) Amortization<\/h2>\n    <p>\n      <strong>Definition:<\/strong> Amortization period = Additional investment heat pump \u00f7 annual electricity cost savings (space heating only).\n    <\/p>\n\n    <div class=\"rb-callout\">\n      <strong>Additional investment in the example:<\/strong> \u2248 \u20ac22,000 | <strong>Electricity price assumption:<\/strong> \u20ac0.35\/kWh\n    <\/div>\n\n    <table class=\"rb-table\" role=\"table\" aria-label=\"Amortisationstabelle\">\n      <thead>\n        <tr>\n          <th>Scenario<\/th>\n          <th>Savings (kWh\/a)<\/th>\n          <th>Savings (\u20ac\/a)<\/th>\n          <th>Amortization<\/th>\n        <\/tr>\n      <\/thead>\n      <tbody>\n        <tr>\n          <td><strong>Without PV effect<\/strong> (only kWh difference)<\/td>\n          <td>\u2248 1.015<\/td>\n          <td>\u2248 355 \u20ac<\/td>\n          <td><strong>\u2248 62 years<\/strong><\/td>\n        <\/tr>\n        <tr>\n          <td><strong>With PV effect<\/strong> (typical grid current reference)<\/td>\n          <td>\u2248 410<\/td>\n          <td>\u2248 144 \u20ac<\/td>\n          <td><strong>\u2248 153 years<\/strong><\/td>\n        <\/tr>\n      <\/tbody>\n    <\/table>\n\n    <p class=\"rb-note\">\n  The PV effect varies depending on the control strategy, load profile, and storage (if applicable).\n    <\/p>\n  <\/section>\n\n  <div class=\"rb-divider\"><\/div>\n\n  <!-- ENTSCHEIDUNGSHILFE + DOWNLOADS -->\n  <section class=\"rb-card\" aria-labelledby=\"entscheidung\">\n    <h2 class=\"rb-h2\" id=\"entscheidung\">4) Decision Support<\/h2>\n\n    <ul class=\"rb-ul\">\n      <li><strong>Focus on paid kWh:<\/strong> The decisive factor is the actual electricity consumption billed.<\/li>\n      <li><strong>Investment vs. Savings:<\/strong> In very efficient buildings, the absolute electricity savings are limited \u2013 the investment dominates.<\/li>\n      <li><strong>PV Usage:<\/strong> Direct electricity can make good use of PV self-consumption.<\/li>\n      <li><strong>Funding Logic:<\/strong> Eligibility for funding often results from the building standard (overall concept).<\/li>\n      <li><strong>Complexity:<\/strong> Lower complexity can reduce maintenance and risks.<\/li>\n    <\/ul>\n\n    <div class=\"rb-cta\" aria-label=\"Downloads\">\n      <!-- PDF-Links anpassen -->\n      <a class=\"rb-btn rb-primary\" href=\"https:\/\/rebotherm.de\/wp-content\/uploads\/2026\/01\/Carbon-vs-Waermepumpe-Wirtschaftlichkeitsuebersicht.pdf\" download=\"\">\n        <svg class=\"rb-ico rb-icoLg\" viewbox=\"0 0 24 24\" aria-hidden=\"true\"><path d=\"M6 2h9l5 5v15a2 2 0 0 1-2 2H6a2 2 0 0 1-2-2V4a2 2 0 0 1 2-2zm8 1.5V8h4.5L14 3.5zM7 12h3a2 2 0 0 1 0 4H9v2H7v-6zm2 2v1h1a.5.5 0 0 0 0-1H9zm5-2h3v2h-1v4h-2v-6z\"\/><\/svg>\n  Economic Efficiency Overview (PDF)\n      <\/a>\n\n      <a class=\"rb-btn\" href=\"https:\/\/rebotherm.de\/wp-content\/uploads\/2026\/01\/carbon-vs-waermepumpe-kosten-verbrauch-infografik.pdf\" download=\"\">\n        <svg class=\"rb-ico rb-icoLg\" viewbox=\"0 0 24 24\" aria-hidden=\"true\"><path d=\"M4 19h16v2H2V3h2v16zm3-2V9h3v8H7zm5 0V5h3v12h-3zm5 0v-6h3v6h-3z\"\/><\/svg>\n  Cost &amp; Consumption Graphic (PDF)\n      <\/a>\n\n      <a class=\"rb-btn\" href=\"https:\/\/rebotherm.de\/wp-content\/uploads\/2026\/01\/Carbon-vs-Waermepumpe-Amortisation.pdf\" download=\"\">\n        <svg class=\"rb-ico rb-icoLg\" viewbox=\"0 0 24 24\" aria-hidden=\"true\"><path d=\"M9 2h6v2H9V2zm3 4a9 9 0 1 1-9 9 9 9 0 0 1 9-9zm0 2a7 7 0 1 0 7 7 7 7 0 0 0-7-7zm1 3v5h4v2h-6V11h2z\"\/><\/svg>\n  Amortization (PDF)\n      <\/a>\n    <\/div>\n  <\/section>\n\n  <div class=\"rb-divider\"><\/div>\n\n  <!-- FAQ -->\n  <section aria-labelledby=\"faq\">\n    <h2 class=\"rb-h2\" id=\"faq\">5) FAQ<\/h2>\n\n    <details class=\"rb-faq\">\n      <summary>Is carbon surface heating eligible for funding?<\/summary>\n      <p>\n  Under certain conditions: yes. Eligibility for funding is often based on the <strong>building standard achieved<\/strong>\n (overall concept) - not necessarily on an individual \"heating\" measure.\n The applicable funding conditions and evidence in each individual case are decisive.\n      <\/p>\n    <\/details>\n\n    <div style=\"height:10px\"><\/div>\n\n    <details class=\"rb-faq\">\n      <summary>Why do you consider kWh\/year and not just efficiency indicators?<\/summary>\n      <p>\n  Customers pay for the <strong>kWh that arrive at the meter<\/strong>. Especially with very low heating loads, the absolute\n amount of energy is small - in this case, the overall calculation of investment and operation is decisive.\n      <\/p>\n    <\/details>\n\n    <div style=\"height:10px\"><\/div>\n\n    <details class=\"rb-faq\">\n      <summary>Does the result apply to every building?<\/summary>\n      <p>\n  No. This is an example calculation for a specific building. The result may differ if the heating load is higher, the area is different, the usage profile is different\n or there is no PV. Individual planning is recommended.  \n      <\/p>\n    <\/details>\n\n    <!-- CTA #3 (Ende der Seite, zweiter starker Conversion-Punkt) -->\n    <div class=\"rb-ctaBand\" aria-label=\"CTA am Seitenende\">\n      <p class=\"rb-ctaText\">\n        <strong>Would you like your own numbers?<\/strong>\n  Send us a brief description of the living space, building standard, and PV status \u2013 we will create an individual assessment.\n      <\/p>\n      <a class=\"rb-btn rb-cta\" href=\"https:\/\/rebotherm.de\/en\/contact-us\/\">\n        <svg class=\"rb-ico rb-icoLg\" viewbox=\"0 0 24 24\" aria-hidden=\"true\"><path d=\"M12 2a10 10 0 1 0 10 10A10 10 0 0 0 12 2zm-1 5h2v10h-2V7zm0 12h2v2h-2v-2z\"\/><\/svg>\n  Request Individual Calculation\n      <\/a>\n    <\/div>\n  <\/section>\n\n  <div class=\"rb-divider\"><\/div>\n\n  <footer class=\"rb-footer\">\n    <strong>Note:<\/strong> This page is an informational representation and does not constitute a legally binding funding commitment.\n Funding programs and conditions are subject to change; the respectively valid guidelines are decisive.\n  <\/footer>\n<\/section>\n\n<script type=\"application\/ld+json\">\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Ist eine Carbon-Fl\u00e4chenheizung f\u00f6rderf\u00e4hig?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Unter bestimmten Voraussetzungen: ja. H\u00e4ufig ergibt sich die F\u00f6rderf\u00e4higkeit \u00fcber den erreichten Geb\u00e4udestandard (Gesamtkonzept) \u2013 nicht zwingend \u00fcber eine Einzelma\u00dfnahme \u201eHeizung\u201c. Ma\u00dfgeblich sind die jeweils g\u00fcltigen F\u00f6rderbedingungen und Nachweise im Einzelfall.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Warum betrachten Sie kWh\/Jahr und nicht nur Effizienzkennzahlen?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Kunden zahlen die kWh, die am Z\u00e4hler ankommen. Gerade bei sehr niedriger Heizlast ist die absolute Energiemenge klein \u2013 dann ist die Gesamtrechnung aus Investition und Betrieb entscheidend.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Gilt das Ergebnis f\u00fcr jedes Geb\u00e4ude?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Nein. Dies ist eine geb\u00e4udespezifische Beispielbetrachtung. Bei h\u00f6herer Heizlast, anderer Fl\u00e4che, anderem Nutzungsprofil oder ohne PV kann das Ergebnis abweichen. Eine individuelle Planung wird empfohlen.\"\n      }\n    }\n  ]\n}\n<\/script>\n<\/div><\/div>\n<\/div>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-40415","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/rebotherm.de\/en\/wp-json\/wp\/v2\/pages\/40415","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/rebotherm.de\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/rebotherm.de\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/rebotherm.de\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/rebotherm.de\/en\/wp-json\/wp\/v2\/comments?post=40415"}],"version-history":[{"count":6,"href":"https:\/\/rebotherm.de\/en\/wp-json\/wp\/v2\/pages\/40415\/revisions"}],"predecessor-version":[{"id":43006,"href":"https:\/\/rebotherm.de\/en\/wp-json\/wp\/v2\/pages\/40415\/revisions\/43006"}],"wp:attachment":[{"href":"https:\/\/rebotherm.de\/en\/wp-json\/wp\/v2\/media?parent=40415"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}