{"id":10419,"date":"2026-09-25T17:02:26","date_gmt":"2026-09-25T17:02:26","guid":{"rendered":"https:\/\/jagalcaidestg.wpenginepowered.com\/producto\/boiler-vaillant-ecotec-plus-vmw-23cs-1-5-c\/"},"modified":"2026-09-28T12:29:34","modified_gmt":"2026-09-28T12:29:34","slug":"boiler-vaillant-ecotec-plus-vmw-23cs-1-5-c","status":"publish","type":"product","link":"https:\/\/www.jagalcaide.com\/en\/producto\/boiler-vaillant-ecotec-plus-vmw-23cs-1-5-c\/","title":{"rendered":"Vaillant ecoTEC plus VMW 23CS\/1-5 C boiler"},"content":{"rendered":"<div class=\"jag-ficha\">\n<p class=\"jag-ficha-claim\">Wall-mounted condensing boiler: <strong>21 kW<\/strong> for heating and <strong>23 kW<\/strong> for domestic hot water, with the sensoHOME thermostat included.<\/p>\n<p class=\"jag-ficha-inc\">The price includes the unit, VAT and installation. It is installed by our own accredited technicians, which is what activates the manufacturer&#8217;s warranty. Quote via WhatsApp from photos or a video; a free visit only if needed, in Barcelona and the metropolitan area.<\/p>\n<p class=\"jag-ficha-cta\"><a class=\"jag-cta jag-cta-main\" href=\"https:\/\/www.jagalcaide.com\/en\/request-a-quote\/?modelo=Vaillant%20ecoTEC%20plus%20VMW%2023CS%2F1-5%20C%20boiler\">Request a quote for this model<\/a><a class=\"jag-cta jag-cta-tel\" href=\"tel:+34932185847\">+34 932 18 58 47<\/a><a class=\"jag-cta jag-cta-wa\" href=\"https:\/\/wa.me\/34616946678?text=Hello%2C%20I%27m%20interested%20in%20the%20Vaillant%20ecoTEC%20plus%20VMW%2023CS%2F1-5%20C%20boiler%20I%20saw%20on%20the%20JAG%20Alcaide%20website.\" rel=\"nofollow\" target=\"_blank\">WhatsApp<\/a><\/p>\n<\/div>\n<div class=\"jag-v2\">\n<section class=\"jag-sec jag-intro\">\n<h2>Who is the ecoTEC plus VMW 23CS\/1-5 for?<\/h2>\n<p>It is Vaillant&#8217;s mid-range condensing boiler: <strong>more efficient and better equipped than the ecoTEC pure<\/strong>, with a touch screen and app control. It uses the existing gas connections, so the replacement is usually quick.<\/p>\n<ul class=\"jag-points\">\n<li><strong>IoniDetect<\/strong>: adjusts combustion to the gas type by itself.<\/li>\n<li><strong>Flat design and touch screen<\/strong>; app control.<\/li>\n<li><strong>High modulation<\/strong>: runs at low output when the home needs little heat.<\/li>\n<li>Compatible with blends of up to 20% hydrogen and with hybrid systems (solar or heat pump).<\/li>\n<\/ul>\n<\/section>\n<section class=\"jag-sec\">\n<h2>All ecoTEC plus outputs<\/h2>\n<div class=\"jag-tbl\">\n<table class=\"jag-cmp\">\n<thead>\n<tr>\n<th>Model<\/th>\n<th>Heating<\/th>\n<th>Hot water<\/th>\n<th>Installed price<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr class=\"jag-hl\">\n<td><strong>ecoTEC plus VMW 23CS\/1-5<\/strong><\/td>\n<td>21 kW<\/td>\n<td>23 kW<\/td>\n<td><strong>2.940,00\u20ac<\/strong><\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/www.jagalcaide.com\/en\/producto\/boiler-vaillant-ecotec-plus-vmw-26cs-1-5-c\/\">ecoTEC plus VMW 26CS\/1-5<\/a><\/td>\n<td>21 kW<\/td>\n<td>25.7 kW<\/td>\n<td>3.090,00\u20ac<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/www.jagalcaide.com\/en\/producto\/boiler-vaillant-ecotec-plus-vmw-32cs-1-5-c\/\">ecoTEC plus VMW 32CS\/1-5<\/a><\/td>\n<td>27 kW<\/td>\n<td>31.8 kW<\/td>\n<td>3.750,00\u20ac<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/www.jagalcaide.com\/en\/producto\/boiler-vaillant-ecotec-plus-vmw-36cs-1-5-c\/\">ecoTEC plus VMW 36CS\/1-5<\/a><\/td>\n<td>32.6 kW<\/td>\n<td>35.6 kW<\/td>\n<td>4.140,00\u20ac<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p class=\"jag-note\">Price including VAT and installation. When choosing, hot water matters most: send us photos of your current boiler and we will tell you the output you need.<\/p>\n<\/section>\n<section class=\"jag-sec\">\n<h2>ecoTEC plus VMW 23CS\/1-5 compared with similar boilers<\/h2>\n<div class=\"jag-tbl\">\n<table class=\"jag-cmp\">\n<thead>\n<tr>\n<th><\/th>\n<th>ecoTEC plus VMW 23CS\/1-5<\/th>\n<th>ecoTEC pure VMW 236\/7-2<\/th>\n<th>Thema MiConnect 26-CS\/1-C<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Installed price<\/td>\n<td><strong>2.940,00\u20ac<\/strong><\/td>\n<td><a href=\"https:\/\/www.jagalcaide.com\/en\/producto\/boiler-vaillant-ecotec-pure-vmw-236-7-2\/\">2.140,00\u20ac<\/a><\/td>\n<td><a href=\"https:\/\/www.jagalcaide.com\/en\/producto\/boiler-saunier-duval-thema-miconnect-26-cs-1-c\/\">2.840,00\u20ac<\/a><\/td>\n<\/tr>\n<tr>\n<td>Heating \/ hot water<\/td>\n<td>21 \/ 23 kW<\/td>\n<td>20.2 \/ 24 kW<\/td>\n<td>21.7 \/ 26 kW<\/td>\n<\/tr>\n<tr>\n<td>Hot water for<\/td>\n<td>One bathroom<\/td>\n<td>One bathroom<\/td>\n<td>One or two bathrooms<\/td>\n<\/tr>\n<tr>\n<td>Brand<\/td>\n<td>Vaillant<\/td>\n<td>Vaillant<\/td>\n<td>Saunier Duval<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>All three are installed with the same service and a fixed quote. The difference is price, features and hot-water comfort; if in doubt, send us a photo of your current boiler and we will tell you which fits.<\/p>\n<\/section>\n<div class=\"jag-top\"><\/div>\n<section class=\"jag-sec\">\n<h2>How to read the specifications<\/h2>\n<dl class=\"jag-gloss\">\n<dt>21 kW heating<\/dt>\n<dd>Maximum output for the radiators. With the floor area and photos of the radiators we check it is right before confirming it.<\/dd>\n<dt>23 kW hot water<\/dt>\n<dd>According to Vaillant, it delivers 11 litres per minute with the water heated by 30 \u00b0C: enough for one bathroom.<\/dd>\n<dt>Condensing<\/dt>\n<dd>It recovers heat from the steam in the flue gases, which is why it needs a drain for the condensate.<\/dd>\n<dt>94% seasonal efficiency<\/dt>\n<dd>Average space-heating efficiency over the year, according to the manufacturer.<\/dd>\n<\/dl>\n<\/section>\n<section class=\"jag-sec jag-gal-sec\">\n<h2>Vaillant boilers we have installed<\/h2>\n<p>Some of our recent Vaillant condensing boiler installations in Barcelona.<\/p>\n<div class=\"jag-gal\">\n<figure><img decoding=\"async\" src=\"https:\/\/www.jagalcaide.com\/wp-content\/uploads\/2026\/09\/caldera-vaillant-ecotec-armario-cocina-jag-alcaide-1-768x1024.jpg\" alt=\"Vaillant condensing boiler installed by JAG Alcaide inside a kitchen cabinet\" loading=\"lazy\" width=\"768\" height=\"1024\"><figcaption>Inside a kitchen cabinet<\/figcaption><\/figure>\n<figure><img decoding=\"async\" src=\"https:\/\/www.jagalcaide.com\/wp-content\/uploads\/2026\/09\/caldera-vaillant-ecotec-cocina-ventana-jag-alcaide-1-768x1666.jpg\" alt=\"Vaillant condensing boiler installed by JAG Alcaide in a kitchen, next to the window\" loading=\"lazy\" width=\"768\" height=\"1666\"><figcaption>In a kitchen, next to the window<\/figcaption><\/figure>\n<\/div>\n<\/section>\n<section class=\"jag-sec\">\n<h2>What can change the price<\/h2>\n<p>The price includes removing the old boiler and a standard room-sealed flue. The following are quoted separately, in writing and before we start:<\/p>\n<ul class=\"jag-list\">\n<li>A long flue run or one that does not meet current regulations.<\/li>\n<li>A condensate drain if there is none nearby.<\/li>\n<li>Moving the boiler to another place.<\/li>\n<li>A Wi-Fi thermostat or programmer, if not included.<\/li>\n<li>Cleaning the circuit or replacing radiators and valves.<\/li>\n<\/ul>\n<\/section>\n<section class=\"jag-sec jag-more\">\n<h2>More information<\/h2>\n<ul class=\"jag-links\">\n<li><a href=\"https:\/\/www.jagalcaide.com\/en\/air-conditioner-and-boiler-comparison\/#calderas\">Boiler comparison<\/a><\/li>\n<li><a href=\"https:\/\/www.jagalcaide.com\/en\/technical-service\/\">Technical service<\/a><\/li>\n<\/ul>\n<\/section>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Wall-mounted condensing boiler: 21 kW for heating and 23 kW for domestic hot water, with the sensoHOME thermostat included. The price includes the unit, VAT and installation. It is installed by our own accredited technicians, [&hellip;]<\/p>\n","protected":false},"featured_media":9670,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_yoast_wpseo_focuskw":"","_yoast_wpseo_title":"Vaillant ecoTEC plus VMW 23CS\/1-5 C boiler in Barcelona: \u20ac2,940","_yoast_wpseo_metadesc":"Vaillant ecoTEC plus VMW 23CS\/1-5 C 23 kW condensing boiler, installed in Barcelona for \u20ac2,940 incl. VAT: removal of the old one, fitting, flue and commissioning. Quote via WhatsApp from photos.","_product_image_gallery":"","_jag_specs":"{\"type\":\"boiler\",\"brand\":\"Vaillant\",\"model\":\"ecoTEC plus VMW 23CS\/1-5 C\",\"kw_calef\":\"21\",\"kw_acs\":\"23\",\"kw_nom\":\"\",\"clase\":\"A\",\"tech\":\"condensaci\u00f3n, mural, gas natural\"}","_jag_faq":"[[\"What home is the ecoTEC plus VMW 23CS\/1-5 for?\",\"For a flat or house with radiators and one bathroom: 21 kW of heating and 23 kW of hot water.\"],[\"What does the price include?\",\"The boiler, VAT, removal of the old one, fitting and connection to gas, water and electricity, a standard room-sealed flue and commissioning. Fixed written quote before we start.\"],[\"Can it be controlled from a phone?\",\"Yes, Vaillant prepares it for app control with its smart controls. We will tell you which control you need for your installation.\"],[\"How long does a boiler replacement take?\",\"Fixed quote the same day from the photos you send us on WhatsApp (if a visit is needed, within 24-48 hours) and replacement in a single day. From November to January it is best to book ahead.\"],[\"Are there grants for replacing the boiler?\",\"It depends on the call currently open in Catalonia. If there is one, we provide the installation documents.\"]]"},"product_brand":[919],"product_cat":[464,880],"product_tag":[],"class_list":["post-10419","product","type-product","status-publish","has-post-thumbnail","product_brand-vaillant","product_cat-boilers","product_cat-vaillant","first","instock","taxable","shipping-taxable","purchasable","product-type-simple"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Vaillant ecoTEC plus VMW 23CS\/1-5 C boiler in Barcelona: \u20ac2,940<\/title>\n<meta name=\"description\" content=\"Vaillant ecoTEC plus VMW 23CS\/1-5 C 23 kW condensing boiler, installed in Barcelona for \u20ac2,940 incl. 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