{"id":13666,"date":"2025-08-10T22:25:59","date_gmt":"2025-08-10T20:25:59","guid":{"rendered":"https:\/\/fotovol.com\/energies-renovables\/quan-gasta-laerotermia-al-mes-consum-real-i-estalvi-el-2025\/"},"modified":"2025-11-30T23:18:28","modified_gmt":"2025-11-30T22:18:28","slug":"quan-gasta-laerotermia-al-mes-consum-real-i-estalvi-el-2025","status":"publish","type":"post","link":"https:\/\/fotovol.com\/ca\/energies-renovables\/quan-gasta-laerotermia-al-mes-consum-real-i-estalvi-el-2025\/","title":{"rendered":"Quan gasta l&#8217;aerot\u00e8rmia al mes? Consum real i estalvi el 2025"},"content":{"rendered":"\n<p>Si est\u00e0s pensant en instal\u00b7lar aerot\u00e8rmia o ja la tens a casa, segurament et preguntis: <em>quant consumeix l&#8217;aerot\u00e8rmia?<\/em> o <em>\u201cquant gasta l&#8217;aerot\u00e8rmia al mes\u201d<\/em> . I \u00e9s que, tot i ser un sistema reconegut per la seva alta efici\u00e8ncia energ\u00e8tica, el consum real dep\u00e8n de molts factors: la pot\u00e8ncia de la bomba de calor, el COP o l&#8217;SCOP de l&#8217;equip, la zona clim\u00e0tica i l&#8217;a\u00efllament de l&#8217;habitatge, entre d&#8217;altres. <\/p>\n\n<p>En aquesta guia us expliquem, amb f\u00f3rmules f\u00e0cils i exemples reals a la prov\u00edncia de Girona, <strong>quant consumeix realment l&#8217;aerot\u00e8rmia<\/strong> , com es compara davant d&#8217;altres sistemes com gas, gasoil, p\u00e8l\u00b7lets o radiadors el\u00e8ctrics i qu\u00e8 pots fer per reduir la despesa.<\/p>\n\n<p>A m\u00e9s, et mostrarem casos reals de clients que han canviat la seva vella caldera per aerot\u00e8rmia, alguns fins i tot combinant-la amb <a href=\"https:\/\/fotovol.com\/ca\/installacio-plaques-solars-girona\/\">instal\u00b7laci\u00f3 de plaques solars per reduir la factura a m\u00ednims<\/a> .  <\/p>\n\n<h2 class=\"wp-block-heading\" id=\"com-calcular-el-consum-electric-de-laerotermia\"><strong>Com calcular el consum el\u00e8ctric de l&#8217;aerot\u00e8rmia<\/strong><\/h2>\n\n<p>Per saber quant gasta la teva aerot\u00e8rmia al mes, necessites tres dades clau:<\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>Pot\u00e8ncia t\u00e8rmica<\/strong> de la bomba de calor (kW).<\/li>\n\n\n\n<li><strong>COP o SCOP<\/strong> (Coeficient de Rendiment Estacional).<\/li>\n\n\n\n<li><strong>Hores d\u00b4\u00fas al dia<\/strong> (dep\u00e8n de la zona i de l\u00b4a\u00efllament).<\/li>\n<\/ul>\n\n<p><strong>F\u00f3rmula b\u00e0sica:<\/strong><\/p>\n\n<pre class=\"wp-block-preformatted\"><code>Consumo el\u00e9ctrico (kWh\/d\u00eda) = Potencia t\u00e9rmica (kW) \u00d7 Horas de uso \/ COP<br\/><\/code><\/pre>\n\n<p><strong>Exemple:<\/strong><br\/> Bomba de calor de 11 kW, COP de 4, 6 h\/dia:<\/p>\n\n<pre class=\"wp-block-preformatted\"><code>Consumo = 11 \u00d7 6 \/ 4 = 16,5 kWh\/d\u00eda<br\/>Mensual = 16,5 \u00d7 30 = 495 kWh\/mes<br\/>Coste mensual = 495 \u00d7 0,15 \u20ac = 74,25 \u20ac<br\/><\/code><\/pre>\n\n<h2 class=\"wp-block-heading\" id=\"taula-de-consum-mensual-i-anual-segons-potencia\"><strong>Taula de consum mensual i anual segons pot\u00e8ncia<\/strong><\/h2>\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Pot\u00e8ncia bomba de calor<\/th><th>Consum mensual (kWh)<\/th><th>Despesa mensual (\u20ac)<\/th><th>Despesa anual (\u20ac)<\/th><\/tr><\/thead><tbody><tr><td>8 kW<\/td><td>364<\/td><td>54,6<\/td><td>655<\/td><\/tr><tr><td>9 kW<\/td><td>405<\/td><td>60,7<\/td><td>728<\/td><\/tr><tr><td>10 kW<\/td><td>450<\/td><td>67,5<\/td><td>810<\/td><\/tr><tr><td>11 kW<\/td><td>495<\/td><td>74,3<\/td><td>891<\/td><\/tr><tr><td>12 kW<\/td><td>540<\/td><td>81,0<\/td><td>972<\/td><\/tr><tr><td>14 kW<\/td><td>630<\/td><td>94,5<\/td><td>1.134<\/td><\/tr><tr><td>16 kW<\/td><td>720<\/td><td>108,0<\/td><td>1.296<\/td><\/tr><\/tbody><\/table><\/figure>\n\n<p><em>Valors calculats amb COP mitj\u00e0 4, \u00fas 6 h\/dia i preu electricitat 0,15 \u20ac\/kWh. En habitatges ben a\u00efllats i amb terra radiant la despesa pot ser menor. <\/em><\/p>\n\n<h2 class=\"wp-block-heading\" id=\"comparativa-de-consum-anual-aerotermia-vs-altres-sistemes\"><strong>Comparativa de consum anual: aerot\u00e8rmia vs altres sistemes<\/strong><\/h2>\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Sistema de calefacci\u00f3<\/th><th>Consum energia final<\/th><th>Cost anual (\u20ac)<\/th><th>Emissions CO\u2082\/any<\/th><\/tr><\/thead><tbody><tr><td>Aerot\u00e8rmia (COP 4)<\/td><td>3.000 kWh el\u00e8ctrics<\/td><td><strong>450<\/strong><\/td><td>600 kg<\/td><\/tr><tr><td>Gasoil<\/td><td>1.200 litres<\/td><td>1.620<\/td><td>3.100 kg<\/td><\/tr><tr><td>Gas natural<\/td><td>12.000 kWh gas<\/td><td>720<\/td><td>2.200 kg<\/td><\/tr><tr><td>Pellets<\/td><td>4 t<\/td><td>1.200<\/td><td>800 kg<\/td><\/tr><tr><td>Radiadors el\u00e8ctrics<\/td><td>12.000 kWh<\/td><td>1.800<\/td><td>2.400 kg<\/td><\/tr><\/tbody><\/table><\/figure>\n\n<p><strong>Conclusions:<\/strong><\/p>\n\n<ul class=\"wp-block-list\">\n<li>Fins al <strong>75% m\u00e9s barata<\/strong> que calefacci\u00f3 el\u00e8ctrica directa.<\/li>\n\n\n\n<li>Enfront del gasoil, l&#8217;estalvi pot superar els <strong>1.200 \u20ac anuals<\/strong> .<\/li>\n\n\n\n<li>Amb <a class=\"\" href=\"#\"><strong>autoconsum fotovoltaic<\/strong><\/a> , la despesa real pot baixar gaireb\u00e9 a zero.<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\" id=\"casos-reals-a-girona\"><strong>Casos reals a Girona<\/strong><\/h2>\n\n<h3 class=\"wp-block-heading\" id=\"1-xalet-a-olot-zona-freda\"><strong>1. Xalet a Olot (zona freda)<\/strong><\/h3>\n\n<ul class=\"wp-block-list\">\n<li>180 m\u00b2, aerot\u00e8rmia amb terra radiant + ACS.<\/li>\n\n\n\n<li>SCOP real: 3,8 \u2192 4.868 kWh\/any \u2192 730 \u20ac\/any.<\/li>\n\n\n\n<li>Abans: gasoil (2.000 litres\/any = 2.700 \u20ac).<\/li>\n\n\n\n<li><strong>Estalvi anual<\/strong> : ~2.000 \u20ac + refrigeraci\u00f3 gratis a l&#8217;estiu.<\/li>\n<\/ul>\n\n<h3 class=\"wp-block-heading\" id=\"2-pis-a-girona-capital-obra-nova-sistema-centralitzat\"><strong>2. Pis a Girona capital (obra nova, sistema centralitzat)<\/strong><\/h3>\n\n<ul class=\"wp-block-list\">\n<li>95 m\u00b2, a\u00efllament A, comptadors individuals.<\/li>\n\n\n\n<li>SCOP real: 4,4 \u2192 1.863 kWh\/any \u2192 280 \u20ac\/any.<\/li>\n\n\n\n<li>Abans (refer\u00e8ncia): gas natural (650 \u20ac\/any).<\/li>\n\n\n\n<li><strong>Estalvi anual<\/strong> : ~370 \u20ac.<\/li>\n<\/ul>\n\n<h3 class=\"wp-block-heading\" id=\"3-masia-rehabilitada-a-la-costa-brava-zona-temperada\"><strong>3. Masia rehabilitada a la Costa Brava (zona temperada)<\/strong><\/h3>\n\n<ul class=\"wp-block-list\">\n<li>220 m\u00b2, aerot\u00e8rmia + suport solar t\u00e8rmic.<\/li>\n\n\n\n<li>SCOP real: 4,6 \u2192 3.478 kWh\/any \u2192 522 \u20ac\/any.<\/li>\n\n\n\n<li>Abans: prop\u00e0 (2.300 \u20ac\/any).<\/li>\n\n\n\n<li><strong>Estalvi anual<\/strong> : ~1.780 \u20ac.<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\" id=\"consum-mensual-segons-superficie-i-clima-girona\"><strong>Consum mensual segons superf\u00edcie i clima (Girona)<\/strong><\/h2>\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Superf\u00edcie<\/th><th>Zona freda (\u20ac)<\/th><th>Zona temperada (\u20ac)<\/th><\/tr><\/thead><tbody><tr><td>80 m\u00b2<\/td><td>57 \u2013 63<\/td><td>38 \u2013 44<\/td><\/tr><tr><td>100 m\u00b2<\/td><td>69 \u2013 78<\/td><td>45 \u2013 53<\/td><\/tr><tr><td>120 m\u00b2<\/td><td>84 \u2013 95<\/td><td>54 \u2013 63<\/td><\/tr><tr><td>150 m\u00b2<\/td><td>105 \u2013 117<\/td><td>68 \u2013 75<\/td><\/tr><tr><td>200 m\u00b2<\/td><td>138 \u2013 157<\/td><td>90 \u2013 102<\/td><\/tr><\/tbody><\/table><\/figure>\n\n<p><em>Exemple: a Banyoles, un habitatge de 120 m\u00b2 gasta ~60 \u20ac\/mes a l&#8217;hivern; a Vall de Camprodon, ~90 \u20ac\/mes.<\/em><\/p>\n\n<h2 class=\"wp-block-heading\" id=\"factors-que-mes-influeixen-en-el-consum\"><strong>Factors que m\u00e9s influeixen en el consum<\/strong><\/h2>\n\n<ol class=\"wp-block-list\">\n<li><strong>Zona clim\u00e0tica i temperatura exterior<\/strong>\n<ul class=\"wp-block-list\">\n<li>Costa de Girona \u2192 consum m\u00e9s baix.<\/li>\n\n\n\n<li>Prepirineu \u2192 fins a +40% de despesa.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>A\u00efllament<\/strong>\n<ul class=\"wp-block-list\">\n<li>Un mal a\u00efllament pot augmentar la despesa un 50%.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Tipus d&#8217;emissor<\/strong>\n<ul class=\"wp-block-list\">\n<li>S\u00f2l radiant: SCOP 4\u20134,8 \u2192 menys consum.<\/li>\n\n\n\n<li>Radiadors antics: SCOP 1,8\u20132,5 \u2192 m\u00e9s consum.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Configuraci\u00f3 i pot\u00e8ncia de lequip<\/strong>\n<ul class=\"wp-block-list\">\n<li>Corba clim\u00e0tica ben ajustada = estalvi constant.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>H\u00e0bits d\u00fas<\/strong>\n<ul class=\"wp-block-list\">\n<li>Cada grau extra a l&#8217;hivern = 7% de despesa.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Manteniment<\/strong>\n<ul class=\"wp-block-list\">\n<li>Filtres nets, pressi\u00f3 correcta i sense fuites.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n<p>A la prov\u00edncia de Girona, l&#8217;aerot\u00e8rmia pot ser <strong>l&#8217;opci\u00f3 m\u00e9s eficient<\/strong> per a calefacci\u00f3, refrigeraci\u00f3 i ACS, amb estalvis que van del 30% al 75% davant d&#8217;altres sistemes. I si es combina amb <strong>plaques solars<\/strong> , la despesa mensual pot baixar a menys de la meitat. <\/p>\n\n<p>Si vols saber si casa teva \u00e9s bona candidata per a aquest sistema, podem preparar-te un n <a href=\"https:\/\/fotovol.com\/ca\/servei\/aerotermia\/\">estudi gratu\u00eft d&#8217;aerot\u00e8rmia adaptat al teu habitatge, consum i ubicaci\u00f3<\/a> .<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Quan gasta l&#8217;aerot\u00e8rmia a Girona? Analitzem consums reals a zones fredes com Olot i temperades com la Costa Brava, amb taules de refer\u00e8ncia, comparativa amb gas i gasoil, i trucs per reduir la factura, fins i tot amb plaques solars. <\/p>\n","protected":false},"author":7,"featured_media":13656,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[25],"tags":[],"class_list":["post-13666","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-energies-renovables"],"acf":[],"_links":{"self":[{"href":"https:\/\/fotovol.com\/ca\/wp-json\/wp\/v2\/posts\/13666","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fotovol.com\/ca\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fotovol.com\/ca\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fotovol.com\/ca\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/fotovol.com\/ca\/wp-json\/wp\/v2\/comments?post=13666"}],"version-history":[{"count":0,"href":"https:\/\/fotovol.com\/ca\/wp-json\/wp\/v2\/posts\/13666\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/fotovol.com\/ca\/wp-json\/wp\/v2\/media\/13656"}],"wp:attachment":[{"href":"https:\/\/fotovol.com\/ca\/wp-json\/wp\/v2\/media?parent=13666"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fotovol.com\/ca\/wp-json\/wp\/v2\/categories?post=13666"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fotovol.com\/ca\/wp-json\/wp\/v2\/tags?post=13666"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}