{"id":11184,"date":"2025-07-21T22:49:51","date_gmt":"2025-07-21T20:49:51","guid":{"rendered":"https:\/\/warmduscher.de\/?page_id=11184"},"modified":"2025-09-23T14:02:14","modified_gmt":"2025-09-23T12:02:14","slug":"energiesparrechner-dusche-waermerueckgewinnung","status":"publish","type":"page","link":"https:\/\/warmduscher.de\/en\/energiesparrechner-dusche-waermerueckgewinnung\/","title":{"rendered":"Der Energiespar&shy;rechner f\u00fcr Duschen mit W\u00e4rme&shy;r\u00fcckgewinnung"},"content":{"rendered":"<div class=\"wpb-content-wrapper\" id=\"wpb-content-root\"><div class=\"vc_row wpb_row vc_row-fluid\" style=\"position: relative\"><div class=\"wpb_column vc_column_container vc_col-sm-12\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\">\n    <div id=\"space-6af722421cb23\">\n\n        <style>\n\n            #space-6af722421cb23 {\n                width: 100%;\n                height: 20px;\n            }\n\n            @media (min-width: 415px){\n                #space-6af722421cb23 {\n                    height: 20px;\n                }\n            }\n\n            @media (min-width: 769px){\n                #space-6af722421cb23 {\n                    height: 80px;\n                }\n            }\n\n            @media (min-width: 991px){\n                #space-6af722421cb23 {\n                    height: 80px;\n                }\n            }\n\n        <\/style>\n    <\/div>\n\n    <h1 style=\"text-align: left\" class=\"vc_custom_heading vc_do_custom_heading black\" >Der Energiespar&shy;rechner f\u00fcr Duschen mit W\u00e4rme&shy;r\u00fcckgewinnung<\/h1>\n\t<div class=\"wpb_text_column wpb_content_element\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<p>In diesem Rechner k\u00f6nnen mit Angaben zur vorhandenen Duschsituation die genauen Ersparnisse sowie der Wirkungsgrad am Betriebspunkt bestimmt werden. Hierzu wird im Hintergrund die Temperaturerh\u00f6hung bei vorliegendem Kaltwasserdurchfluss in Abh\u00e4ngigkeit der anstehenden Kaltwasser- sowie Warmwassertemperatur sowie der Durchflussmenge am Duschkopf durch Nullstellensuche in einer Look-up-Tabelle ermittelt. Die Daten der Look-up-Tabelle wurden Experimentell in unserer Test Dusche unter realen Bedingungen f\u00fcr unterschiedliche Betriebspunkte ermittelt und dann \u00fcber den gesamten Bereich interpoliert. F\u00fcr jede ganzzahlige Durchflussmenge am Duschkopf ist eine eigene Tabelle hinterlegt, da der Wirkungsgrad in Abh\u00e4ngigkeit von der \u00dcberstr\u00f6mung des W\u00e4rmetauschers variiert. Unterhalb des Rechners finden sich weitere Erl\u00e4uterungen zu den Berechnungen.<\/p>\n<p>Aufgrund der aufwendigen Versuchsreihen funktioniert der Rechner vorerst nur mit dem Warmduscher W\u00e4rmetauscher der 3. Generation, weitere Modelle folgen in k\u00fcrze.<\/p>\n\n\t\t<\/div>\n\t<\/div>\n\n    <section class=\"energy-nerd-widget\" aria-label=\"Energiesparrechner\">\n      <div class=\"energy-nerd-container\">\n        <!-- Left: Form -->\n        <form class=\"energy-form\" autocomplete=\"off\" tabindex=\"0\">\n          <label for=\"heat-exchanger\">\n            W\u00e4rmetauscher Modell\n            <select id=\"heat-exchanger\" aria-label=\"W\u00e4rmetauscher Modell\">\n              <option value=\"G3\">Warmduscher Original G3<\/option>\n              <!-- <option value=\"G2\">Warmduscher G2<\/option> -->\n            <\/select>\n          <\/label>\n\n          <label for=\"heating-type\">\n            Art der Wassererw\u00e4rmung\n            <select id=\"heating-type\" aria-label=\"Art der Wassererw\u00e4rmung\">\n              <option value=\"electric\" selected>Elektrisch<\/option>\n              <option value=\"oil\" >\u00d6l<\/option>\n              <option value=\"district\" >Fernw\u00e4rme<\/option>\n              <option value=\"gas\" >Gas<\/option>\n            <\/select>\n          <\/label>\n\n          <label for=\"energy-price\">\n            Energiepreis [\u20ac\/kWh]\n            <input type=\"number\" id=\"energy-price\" value=\"0.34\" min=\"0.01\" max=\"1.00\" step=\"0.01\" aria-label=\"Energiepreis pro kWh\" \/>\n          <\/label>\n\n          <label for=\"num-people\">\n            Duschende Personen im Haushalt\n            <div class=\"number-input\">\n              <button type=\"button\" class=\"decrement\" aria-label=\"Weniger Personen\">-<\/button>\n              <input type=\"number\" id=\"num-people\" value=\"2\" min=\"1\" aria-label=\"Duschende Personen\" \/>\n              <button type=\"button\" class=\"increment\" aria-label=\"Mehr Personen\">+<\/button>\n            <\/div>\n          <\/label>\n\n          <label for=\"showers-per-week\">\n            Duschg\u00e4nge pro Woche pro Person\n            <div class=\"number-input\">\n              <button type=\"button\" class=\"decrement\" aria-label=\"Weniger Duschg\u00e4nge\">-<\/button>\n              <input type=\"number\" id=\"showers-per-week\" value=\"7\" min=\"1\" aria-label=\"Duschg\u00e4nge pro Woche\" \/>\n              <button type=\"button\" class=\"increment\" aria-label=\"Mehr Duschg\u00e4nge\">+<\/button>\n            <\/div>\n          <\/label>\n\n          <label for=\"temp-winter\">\n            Vorlauf Winter (t<sub>vorlaufw<\/sub>) [\u00b0C] = <span id=\"temp-winter-val\">7<\/span>\n            <input type=\"range\" id=\"temp-winter\" min=\"5\" max=\"20\" value=\"7\" aria-valuemin=\"5\" aria-valuemax=\"20\" aria-valuenow=\"15\" aria-label=\"Wasser Vorlauftemperatur Winter\" \/>\n          <\/label>\n\n          <label for=\"temp-summer\">\n            Vorlauf Sommer (t<sub>vorlaufs<\/sub>) [\u00b0C] = <span id=\"temp-summer-val\">12<\/span>\n            <input type=\"range\" id=\"temp-summer\" min=\"5\" max=\"20\" value=\"12\" aria-valuemin=\"5\" aria-valuemax=\"20\" aria-valuenow=\"15\" aria-label=\"Wasser Vorlauftemperatur Sommer\" \/>\n          <\/label>\n\n          <label for=\"temp-out\">\n            Duschtemperatur (t<sub>dusch<\/sub>) [\u00b0C] = <span id=\"temp-out-val\">40<\/span>\n            <input type=\"range\" id=\"temp-out\" min=\"35\" max=\"42\" value=\"40\" aria-valuemin=\"35\" aria-valuemax=\"42\" aria-valuenow=\"38\" aria-label=\"Wasser Duschtemperatur\" \/>\n          <\/label>\n\n          <label for=\"flow\">\n            Durflussmenge Duschkopf (v<sub>dusch<\/sub>) [l\/min] = <span id=\"flow-val\">8<\/span>\n            <input type=\"range\" id=\"flow\" min=\"5\" max=\"9\" value=\"8\" step=\"1\" aria-valuemin=\"6\" aria-valuemax=\"6\" aria-valuenow=\"8\" aria-label=\"Wasser Durchlauf pro Minute\" \/>\n          <\/label>\n\n          <label for=\"duration\">\n            Duschzeit (ti<sub>dusch<\/sub>) [min] = <span id=\"duration-val\">9<\/span>\n            <input type=\"range\" id=\"duration\" min=\"1\" max=\"60\" value=\"9\" aria-valuemin=\"2\" aria-valuemax=\"20\" aria-valuenow=\"9\" aria-label=\"Duschdauer\" \/>\n          <\/label>\n\n          <label for=\"twarm\">\n            Heizung Warmwasser (t<sub>warm<\/sub>) [\u00b0C] = <span id=\"twarm-val\">45<\/span>\n            <input type=\"range\" id=\"twarm\" min=\"45\" max=\"70\" value=\"55\" aria-valuemin=\"2\" aria-valuemax=\"20\" aria-valuenow=\"10\" aria-label=\"Heizung Warmwasser Temperatur\" \/>\n          <\/label>\n        <\/form>\n\n        <!-- Right: Results -->\n        <div class=\"energy-results\" tabindex=\"0\">\n          <div class=\"bar-chart\" aria-label=\"Visualisierung j\u00e4hrliche Energiekosten - Vergleich mit und ohne W\u00e4rmetauscher\">\n            <div class=\"chart-container\">\n              <div class=\"bar bar-without\" style=\"height: 30%;\">\n                <span class=\"bar-label bar-label-without\">0 \u20ac<\/span>\n              <\/div>\n              <div class=\"bar bar-with\" style=\"height: 30%;\">\n                <span class=\"bar-label bar-label-with\">0 \u20ac<\/span>\n              <\/div>\n            <\/div>\n            <div class=\"chart-labels\">\n              <span class=\"chart-label\">Kosten ohne W\u00e4rmetauscher<\/span>\n              <span class=\"chart-label\">Kosten mit W\u00e4rmetauscher<\/span>\n            <\/div>\n          <\/div>\n\n          <div class=\"result-bg\">\n            <p class=\"small-text\"><strong>Vorlauf Jahresdurchschnitt<\/strong><br\/>\n            t<sub>vorl<\/sub> = (t<sub>vorlw<\/sub> + t<sub>vorls<\/sub> \/ 2)<br\/>\n\t\t\tt<sub>vorl<\/sub> [\u00b0C] = <strong><span id=\"temp-in-val\">15<\/span><\/strong><\/p>\n\n            <p class=\"small-text\"><strong>R\u00fccklauftemperatur W\u00e4rmetauscher:<\/strong><br\/><small>Aus experimentellen Daten interpoliert<\/small><br\/>\n            t<sub>waerm<\/sub> [\u00b0C] = <strong><span id=\"twaerm-formula-val\">?<\/span><\/strong><\/p>\n\n            <p class=\"small-text\"><strong>Berechnete Kaltwassermenge am Betriebspunkt:<\/strong><br\/>\n            V<sub>kalt<\/sub> [l\/min] = <strong><span id=\"cold-water-val\">0<\/span><\/strong><\/p>\n\n\t\t\t<p class=\"small-text\"><strong>Berechnete Warmwassermenge am Betriebspunkt:<\/strong><br\/>\n            V<sub>warm<\/sub> = v<sub>dusch<\/sub> - v<sub>kalt<\/sub><br\/>\n            V<sub>warm<\/sub> [l\/min] = <strong><span id=\"warm-water-val\">0<\/span><\/strong><\/p>\n\n            <p class=\"small-text\">E<sub>ohne<\/sub> = (t<sub>dusch<\/sub> - t<sub>vorl<\/sub>) * v<sub>dusch<\/sub> * ti<sub>dusch<\/sub> * 1.16 * N<sub>dusch<\/sub> * 52 * N<sub>pers<\/sub><\/p>\n\n\t\t\t<p class=\"small-text\"><strong>Zur\u00fcckgewonnene Energiemenge:<\/strong><br\/>\n\t\t\tE<sub>warmetauscher<\/sub> = (t<sub>waerm<\/sub> - t<sub>vorl<\/sub>) * v<sub>kalt<\/sub> * ti<sub>dusch<\/sub> * 1.16 * N<sub>dusch<\/sub> * 52 * N<sub>pers<\/sub><\/p>\n\n            <p class=\"small-text\">E<sub>mit<\/sub> \/ E<sub>ohne<\/sub> = <strong><span id=\"energy-ratio-val\">0<\/span><\/strong><\/p>\n          <\/div>\n\n          <div class=\"result-icons\">\n            <div class=\"result savings\"><span class=\"icon\">\ud83d\udcb0<\/span> <span id=\"total-savings\">0<\/span> \u20ac Ersparnis\/Jahr<\/div>\n            <div class=\"result energy\"><span class=\"icon\">\ud83d\udd25<\/span> <span id=\"total-energy\">0<\/span> kWh\/Jahr<\/div>\n            <!-- <div class=\"result co2\"><span class=\"icon\">\u2601\ufe0f<\/span> <span id=\"total-co2\">0<\/span> kg CO\u2082\/Jahr<\/div> -->\n            <div class=\"result savings-percent\"><span class=\"icon\">\ud83d\udcaf<\/span> <span id=\"total-savings-percent\">0<\/span> % Wirkungsgrad (= Energieersparnis)<\/div>\n          <\/div>\n        <\/div>\n      <\/div>\n    <\/section>\n\n\t<script>\n\t\t\/\/ Pass lookup tables to JavaScript\n\t\tvar lookupTables = 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flowRates = [3,4,5,6,7,8,9];\n\n\t\t\/\/ Pass initial values from query parameters\n\t\tvar initialValues = {\n\t\t\theatingType: 'electric',\n\t\t\tenergyPrice: 0.34,\n\t\t\tnumPeople: 2,\n\t\t\ttime: 9,\n\t\t\tvolume: 8\t\t};\n\n\t\t\/\/ Bilinear interpolation function\n\t\tfunction bilinearInterpolate(tc, mdot, tcGrid, mdotGrid, deltaTGrid) {\n\t\t\t\/\/ Clamp values to grid bounds\n\t\t\ttc = Math.max(tcGrid[0], Math.min(tc, tcGrid[tcGrid.length - 1]));\n\t\t\tmdot = Math.max(mdotGrid[0], Math.min(mdot, mdotGrid[mdotGrid.length - 1]));\n\n\t\t\t\/\/ Find indices\n\t\t\tlet i = 0;\n\t\t\tfor (let j = 0; j < tcGrid.length - 1; j++) {\n\t\t\t\tif (tc >= tcGrid[j] && tc <= tcGrid[j + 1]) {\n\t\t\t\t\ti = j;\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tlet j = 0;\n\t\t\tfor (let k = 0; k < mdotGrid.length - 1; k++) {\n\t\t\t\tif (mdot >= mdotGrid[k] && mdot <= mdotGrid[k + 1]) {\n\t\t\t\t\tj = k;\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t}\n\n\t\t\t\/\/ Ensure we don't go out of bounds\n\t\t\ti = Math.min(i, tcGrid.length - 2);\n\t\t\tj = Math.min(j, mdotGrid.length - 2);\n\n\t\t\tconst T1 = tcGrid[i];\n\t\t\tconst T2 = tcGrid[i + 1];\n\t\t\tconst M1 = mdotGrid[j];\n\t\t\tconst M2 = mdotGrid[j + 1];\n\n\t\t\tconst Q11 = deltaTGrid[i][j];\n\t\t\tconst Q12 = deltaTGrid[i][j + 1];\n\t\t\tconst Q21 = deltaTGrid[i + 1][j];\n\t\t\tconst Q22 = deltaTGrid[i + 1][j + 1];\n\n\t\t\tconst wT = (T2 === T1) ? 0 : (tc - T1) \/ (T2 - T1);\n\t\t\tconst wM = (M2 === M1) ? 0 : (mdot - M1) \/ (M2 - M1);\n\n\t\t\treturn Q11 * (1 - wT) * (1 - wM) +\n\t\t\t\t   Q21 * wT * (1 - wM) +\n\t\t\t\t   Q12 * (1 - wT) * wM +\n\t\t\t\t   Q22 * wT * wM;\n\t\t}\n\n\t\t\/\/ Solve heat exchanger mixer equation using DeltaT lookup\n\t\tfunction solveWtMixer(t_vorl, t_warm, t_dusch, v_dusch, tcGrid, mdotGrid, deltaTGrid, tol_T = 0.001, max_iter = 100) {\n\t\t\tif (!(t_vorl <= t_dusch && t_dusch <= t_warm)) {\n\t\t\t\tthrow new Error(\"Physikalisch: Tc <= t_dusch <= t_warm erwartet.\");\n\t\t\t}\n\n\t\t\tconst kOfTout = (Tout) => (t_dusch - Tout) \/ (t_warm - t_dusch);\n\n\t\t\tconst g = (Tout) => {\n\t\t\t\tconst k = kOfTout(Tout);\n\t\t\t\tconst v_kalt = v_dusch \/ (1.0 + k);\n\t\t\t\tif (v_kalt <= 0) {\n\t\t\t\t\treturn 1000000 + (t_vorl - Tout);\n\t\t\t\t}\n\t\t\t\t\/\/ Look up DeltaT (temperature gain) from the lookup table\n\t\t\t\tconst DeltaT = bilinearInterpolate(t_vorl, v_kalt, tcGrid, mdotGrid, deltaTGrid);\n\t\t\t\t\/\/ Calculate return temperature: t_waerm = t_vorl + DeltaT\n\t\t\t\tconst t_waerm_calc = t_vorl + DeltaT;\n\t\t\t\treturn t_waerm_calc - Tout;\n\t\t\t};\n\n\t\t\tlet a = t_vorl;\n\t\t\tlet b = t_dusch;\n\t\t\tlet fa = g(a);\n\t\t\tlet fb = g(b);\n\n\t\t\tif (fa * fb > 0) {\n\t\t\t\tthrow new Error(\"Kein Vorzeichenwechsel von g auf [t_vorl, t_dusch]\");\n\t\t\t}\n\n\t\t\tlet Tout;\n\t\t\tfor (let iter = 0; iter < max_iter; iter++) {\n\t\t\t\tconst m = 0.5 * (a + b);\n\t\t\t\tconst fm = g(m);\n\n\t\t\t\tif (Math.abs(fm) < 0.000001 || (b - a) \/ 2 < tol_T) {\n\t\t\t\t\tTout = m;\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\n\t\t\t\tif (fa * fm <= 0) {\n\t\t\t\t\tb = m;\n\t\t\t\t\tfb = fm;\n\t\t\t\t} else {\n\t\t\t\t\ta = m;\n\t\t\t\t\tfa = fm;\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tif (Tout === undefined) {\n\t\t\t\tTout = 0.5 * (a + b);\n\t\t\t}\n\n\t\t\tconst k = kOfTout(Tout);\n\t\t\tconst v_kalt = v_dusch \/ (1.0 + k);\n\t\t\tconst v_warm = v_dusch - v_kalt;\n\t\t\tconst DeltaT = bilinearInterpolate(t_vorl, v_kalt, tcGrid, mdotGrid, deltaTGrid);\n\t\t\tconst t_waerm = t_vorl + DeltaT;\n\n\t\t\treturn {\n\t\t\t\tt_waerm: t_waerm,\n\t\t\t\tDeltaT: DeltaT,\n\t\t\t\tv_kalt: v_kalt,\n\t\t\t\tv_warm: v_warm\n\t\t\t};\n\t\t}\n\n\t\t\/\/ Calculate energy savings using lookup table\n\t\tfunction calculateEnergySavings(t_vorl, t_warm, t_dusch, v_dusch, duration, showers_per_week, num_people, price_per_kwh) {\n\t\t\t\/\/ Validate that we have a lookup table for this exact flow rate\n\t\t\tconst v_dusch_int = Math.round(v_dusch);\n\t\t\tif (!lookupTables[v_dusch_int]) {\n\t\t\t\tthrow new Error(`Keine Lookup-Tabelle f\u00fcr Durchflussmenge ${v_dusch} l\/min verf\u00fcgbar. Verf\u00fcgbare Werte: ${Object.keys(lookupTables).join(', ')} l\/min`);\n\t\t\t}\n\n\t\t\tconst lookup = lookupTables[v_dusch_int];\n\n\t\t\ttry {\n\t\t\t\t\/\/ Solve the heat exchanger equation\n\t\t\t\tconst result = solveWtMixer(t_vorl, t_warm, t_dusch, v_dusch,\n\t\t\t\t\tlookup.tc_grid, lookup.mdot_grid, lookup.deltaT_grid);\n\n\t\t\t\tconst t_waerm = result.t_waerm;\n\t\t\t\tconst v_kalt = result.v_kalt;\n\t\t\t\tconst v_warm = result.v_warm;\n\t\t\t\tconst DeltaT = result.DeltaT;\n\n\t\t\t\t\/\/ Calculate energy consumption\n\t\t\t\tconst weeks = 52;\n\t\t\t\tconst energy_liters_degree = 1.16;\n\n\t\t\t\t\/\/ Energy without heat exchanger\n\t\t\t\tconst e_ohne = (t_dusch - t_vorl) * v_dusch * duration * energy_liters_degree * showers_per_week * weeks * num_people;\n\n\t\t\t\t\/\/ Energy with heat exchanger (using the calculated return temperature)\n\t\t\t\tconst e_mit = (t_waerm - t_vorl) * v_kalt * duration * energy_liters_degree * showers_per_week * weeks * num_people;\n\n\t\t\t\t\/\/ Calculate costs\n\t\t\t\tconst cost_without = e_ohne * price_per_kwh \/ 1000;\n\t\t\t\tconst cost_with = cost_without - (e_mit * price_per_kwh \/ 1000);\n\t\t\t\tconst annual_savings = cost_without - cost_with;\n\t\t\t\tconst savings_percent = (e_mit \/ e_ohne) * 100;\n\n\t\t\t\treturn {\n\t\t\t\t\tt_waerm: t_waerm,\n\t\t\t\t\tv_kalt: v_kalt,\n\t\t\t\t\tv_warm: v_warm,\n\t\t\t\t\tDeltaT: DeltaT,\n\t\t\t\t\te_ohne: e_ohne,\n\t\t\t\t\te_mit: e_mit,\n\t\t\t\t\tcost_without: cost_without,\n\t\t\t\t\tcost_with: cost_with,\n\t\t\t\t\tannual_savings: annual_savings,\n\t\t\t\t\tsavings_percent: savings_percent,\n\t\t\t\t\tenergy_ratio: e_mit \/ e_ohne\n\t\t\t\t};\n\t\t\t} catch (error) {\n\t\t\t\tconsole.error('Calculation error:', error);\n\t\t\t\t\/\/ Fallback to simple calculation if lookup fails\n\t\t\t\tconst e_ohne = (t_dusch - t_vorl) * v_dusch * duration * 1.16 * showers_per_week * 52 * num_people;\n\t\t\t\tconst e_mit = e_ohne * 0.05; \/\/ Assume 95% savings as fallback\n\t\t\t\tconst cost_without = e_ohne * price_per_kwh \/ 1000;\n\t\t\t\tconst cost_with = e_mit * price_per_kwh \/ 1000;\n\n\t\t\t\treturn {\n\t\t\t\t\tt_waerm: t_vorl + 15, \/\/ Fallback estimate\n\t\t\t\t\tv_kalt: v_dusch * 0.8,\n\t\t\t\t\tv_warm: v_dusch * 0.2,\n\t\t\t\t\tDeltaT: 15,\n\t\t\t\t\te_ohne: e_ohne,\n\t\t\t\t\te_mit: e_mit,\n\t\t\t\t\tcost_without: cost_without,\n\t\t\t\t\tcost_with: cost_with,\n\t\t\t\t\tannual_savings: cost_without - cost_with,\n\t\t\t\t\tsavings_percent: 95,\n\t\t\t\t\tenergy_ratio: 0.05\n\t\t\t\t};\n\t\t\t}\n\t\t}\n\t<\/script>\n\n\t\n\t<div class=\"wpb_text_column wpb_content_element\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<p>Detaillierte Beschreibung der Berechnungen f\u00fcr den Warmduscher Energiesparrechner:<\/p>\n<p>F\u00fcr die Berechnungen wurden folgende Annahmen getroffen:<\/p>\n<ul>\n<li>die Dichte von Wasser ist immer 1 (unabh\u00e4ngig von der Temperatur)<\/li>\n<li>das Warmwasser kommt ohne Verluste vom W\u00e4rmeerzeuger bis zur Mischbatterie<\/li>\n<li>die eingestellte Duschtemperatur entspricht der Mischtemperatur in der Mischbatterie und es treten keine Verluste auf dem Weg zum Duschkopf\/Kopf auf<\/li>\n<li>die W\u00e4rmeerzeuger arbeiten mit einem Wirkungsgrad von 100% (Abweichungen davon k\u00f6nnen \u00fcber einen h\u00f6heren kWh Preis ber\u00fccksichtigt werden)<\/li>\n<li>die Vorlauftemperatur \u00fcber den Jahresschnitt ist der Mittelwert aus der Winter- und der Sommertemperatur<\/li>\n<li>der W\u00e4rmetauscher ist im Schema B installiert, so wie es bei der Nachr\u00fcstung von Warmduscher Produkten g\u00e4ngig ist (nur Kaltwasser Zulauf der Mischbatterie wird durch den Warmduscher geleitet)<\/li>\n<\/ul>\n\n\t\t<\/div>\n\t<\/div>\n<div class=\"vc_empty_space\"   style=\"height: 120px\"><span class=\"vc_empty_space_inner\"><\/span><\/div><\/div><\/div><\/div><\/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,"inline_featured_image":false,"footnotes":""},"class_list":["post-11184","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - 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