{"id":57492,"date":"2026-09-29T16:07:45","date_gmt":"2026-09-29T15:07:45","guid":{"rendered":"https:\/\/ecoforest.com\/?p=57492"},"modified":"2026-09-29T16:07:45","modified_gmt":"2026-09-29T15:07:45","slug":"photovoltaic-surplus-management-how-to-configure-your-ecoforest-heat-pump-to-store-energy-in-the-water-tank","status":"publish","type":"post","link":"https:\/\/ecoforest.com\/en\/news\/photovoltaic-surplus-management-how-to-configure-your-ecoforest-heat-pump-to-store-energy-in-the-water-tank\/","title":{"rendered":"Photovoltaic Surplus Management: How to Configure Your Ecoforest Heat Pump to &#8220;Store&#8221; Energy in the Water Tank"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Do you have solar panels but feel like you\u2019re giving energy away to the grid? It\u2019s the dilemma facing today\u2019s solar power users: your panels produce the most electricity at midday, when you may not be home. That\u2019s where <strong>photovoltaic surplus management<\/strong> comes in\u2014a strategy that turns your solar installation into a powerful way to save money.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"p-rc_e1710165f46d0600-47\">At Ecoforest, we don\u2019t see the water tank as simply a tank, but as a <strong>&#8220;thermal battery&#8221;<\/strong> capable of storing surplus electricity in the form of heat<sup><\/sup>. Below, we explain how to configure your system to achieve the much-desired <strong>&#8220;Zero Bill&#8221;<\/strong><sup><\/sup><sup><\/sup><sup><\/sup>.<\/p>\n\n\n\n<div style=\"height:25px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">1. The concept of thermal storage: Beyond lithium batteries<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"p-rc_e1710165f46d0600-48\">Although electrical batteries are excellent, storing heat in water is one of the most economical and durable ways to manage energy<sup><\/sup>. By using an <a target=\"_blank\" rel=\"noreferrer noopener\" href=\"https:\/\/ecoforest.com\/en\/heat-pumps\/\">Ecoforest heat pump<\/a>, you can turn surplus electricity into domestic hot water (DHW) or heating for when the sun goes down<sup><\/sup><sup><\/sup><sup><\/sup><sup><\/sup>.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>No degradation:<\/strong> Unlike chemical batteries, a water tank does not lose capacity over the years.<\/li>\n\n\n\n<li><strong>Zero balance:<\/strong> The goal is for solar production and heat pump consumption to balance each other in real time.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">2. The brains of the operation: The ecoSMART ecosystem<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"p-rc_e1710165f46d0600-51\">For your heat pump to &#8220;know&#8221; there is plenty of sunshine, you need an intelligent energy manager. Ecoforest has developed the <a target=\"_blank\" rel=\"noreferrer noopener\" href=\"https:\/\/ecoforest.com\/en\/news\/ecoforest-is-awarded-for-its-new-energy-manager\/\">ecoSMART<\/a> range, designed specifically for photovoltaic integration<sup><\/sup><sup><\/sup><sup><\/sup>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">ecoSMART e-manager<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"p-rc_e1710165f46d0600-52\">This patented energy manager monitors the balance between the electricity your panels produce and your home\u2019s consumption<sup><\/sup>.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Real-time management:<\/strong> It measures the energy balance and adjusts the heat pump\u2019s settings so it consumes only the surplus electricity from your panels.<\/li>\n\n\n\n<li><strong>Surplus control:<\/strong> It allows temperature setpoints to be raised when the sun is shining, &#8220;filling&#8221; your tank with free thermal energy.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">ecoSMART e-system<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"p-rc_e1710165f46d0600-55\">If you also want electrical storage, this system integrates a solar inverter and modular lithium batteries (from 2.4 to 12 kWh) that work in harmony with thermal management<sup><\/sup>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">3. HTR technology: Store more energy in the same space<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"p-rc_e1710165f46d0600-56\">One of Ecoforest\u2019s key differentiators is <strong>HTR (High Temperature Recovery)<\/strong> technology<sup><\/sup>. This high-temperature heat recovery unit uses the refrigerant gas leaving the compressor to heat water without the need for additional electric heating elements<sup><\/sup><sup><\/sup><sup><\/sup><sup><\/sup>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Why is this important for surplus electricity?<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Up to 80\u00b0C:<\/strong> While other systems stop at lower temperatures, HTR technology can heat DHW to 70\u201380\u00b0C using surplus electricity.<\/li>\n\n\n\n<li><strong>Free hot water in summer:<\/strong> While the heat pump cools your home, the HTR system produces hot water at the same time, at virtually no additional cost.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">4. Recommended configuration for your equipment<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"p-rc_e1710165f46d0600-59\">Whether you have chosen an <a target=\"_blank\" rel=\"noreferrer noopener\" href=\"https:\/\/ecoforest.com\/en\/heat-pumps\/air-source-heat-pumps\/\">air-source heat pump<\/a> or a <a target=\"_blank\" rel=\"noreferrer noopener\" href=\"https:\/\/ecoforest.com\/en\/heat-pumps\/ground-source-heat-pumps\/\">ground-source heat pump<\/a>, configuration is intuitive thanks to the <a target=\"_blank\" rel=\"noreferrer noopener\" href=\"https:\/\/ecoforest.com\/en\/?p=44668\">ecoSMART easynet<\/a> module, which enables remote control via the internet<sup><\/sup>.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><td><strong>Ecoforest Equipment<\/strong><\/td><td><strong>Photovoltaic Advantage<\/strong><\/td><td><strong>Natural Refrigerant<\/strong><\/td><\/tr><\/thead><tbody><tr><td><strong>ecoAIR+ PRO Range<\/strong><\/td><td>Ideal for integration, with supply temperatures up to 70\u00b0C.<\/td><td>R290 (GWP=3).<\/td><\/tr><tr><td><strong>ecoGEO+ PRO Range<\/strong><\/td><td>Maximum efficiency and stable ground temperatures.<\/td><td>R290 (GWP=3).<\/td><\/tr><tr><td><strong>ecoTHERMO PRO<\/strong><\/td><td>Dedicated exclusively to DHW, with integrated photovoltaic compatibility.<\/td><td>R290 (GWP=3).<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<div style=\"height:25px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">5. Steps to optimize your &#8220;thermal battery&#8221;<\/h2>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>Install an e-manager:<\/strong> It is the essential component that enables the heat pump and solar panels to communicate.<\/li>\n\n\n\n<li><strong>Set surplus electricity setpoints:<\/strong> Configure your heat pump so that, when it detects surplus solar electricity, it raises the DHW temperature from the usual 45\u00b0C to 60\u00b0C or higher.<\/li>\n\n\n\n<li><strong>Prioritize DHW:<\/strong> Hot water is the most efficient way to store energy quickly.<\/li>\n\n\n\n<li><strong>Monitor with easynet:<\/strong> Check from your phone how your electricity bill falls dramatically as you optimize your use of solar energy.<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>Do you have solar panels but feel like you\u2019re giving energy away to the grid? It\u2019s the dilemma facing today\u2019s solar power users: your panels produce the most electricity at midday, when you may not be home. That\u2019s where photovoltaic surplus management comes in\u2014a strategy that turns your solar installation into a powerful way to [&hellip;]<\/p>\n","protected":false},"author":17,"featured_media":49000,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center 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cracks","author_link":"https:\/\/ecoforest.com\/en\/author\/seo-funnel-cracks\/"},"comment_info":0,"category_info":[{"term_id":68,"name":"Blog","slug":"news","term_group":0,"term_taxonomy_id":68,"taxonomy":"category","description":"","parent":0,"count":231,"filter":"raw","cat_ID":68,"category_count":231,"category_description":"","cat_name":"Blog","category_nicename":"news","category_parent":0},{"term_id":114,"name":"Heat pumps","slug":"heat-pumps","term_group":0,"term_taxonomy_id":114,"taxonomy":"category","description":"","parent":0,"count":6,"filter":"raw","cat_ID":114,"category_count":6,"category_description":"","cat_name":"Heat pumps","category_nicename":"heat-pumps","category_parent":0}],"tag_info":false,"taxonomy_info":{"category":[{"value":68,"label":"Blog"},{"value":114,"label":"Heat 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