{"id":32458,"date":"2025-02-12T16:59:58","date_gmt":"2025-02-12T15:59:58","guid":{"rendered":"https:\/\/breuell-hilgenfeldt.de\/efficient-fans-for-heat-pumps\/"},"modified":"2025-09-26T12:29:55","modified_gmt":"2025-09-26T10:29:55","slug":"efficient-fans-for-heat-pumps","status":"publish","type":"page","link":"https:\/\/dev.breuell-hilgenfeldt.de\/en\/household-appliances-industries\/efficient-fans-for-heat-pumps\/","title":{"rendered":"Efficient fans for heat pumps"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"32458\" class=\"elementor elementor-32458 elementor-32336\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"wd-negative-gap elementor-element elementor-element-ceedd53 wd-section-stretch e-flex e-con-boxed e-con e-parent\" data-id=\"ceedd53\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-6d5eb07 e-con-full e-flex e-con e-child\" data-id=\"6d5eb07\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7910e5b elementor-widget elementor-widget-heading\" data-id=\"7910e5b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">Fans for heat pumps\n<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bef0d35 color-scheme-inherit text-left elementor-widget elementor-widget-text-editor\" data-id=\"bef0d35\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tEfficient and quiet fans for heat pumps &#8211; for optimum performance and low-noise operation. Find out more now! \t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5353dd2 elementor-align-left elementor-widget elementor-widget-button\" data-id=\"5353dd2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/dev.breuell-hilgenfeldt.de\/en\/contact\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Get in touch<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-17f629f e-con-full e-flex e-con e-child\" data-id=\"17f629f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"wd-negative-gap elementor-element elementor-element-85d8c4b wd-section-stretch e-flex e-con-boxed e-con e-parent\" data-id=\"85d8c4b\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-06826ac e-con-full e-flex e-con e-child\" data-id=\"06826ac\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-e682a8c e-con-full e-flex e-con e-child\" data-id=\"e682a8c\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7785005 color-scheme-inherit text-left elementor-widget elementor-widget-text-editor\" data-id=\"7785005\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>A fan must be efficient, quiet and durable. Modern models rely on energy-efficient EC motors, an aerodynamic design and special noise optimizations for quiet operation. The right choice of fan type &#8211; axial or centrifugal fan &#8211; determines the performance of a heat pump.  <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-1869335 e-con-full e-flex e-con e-child\" data-id=\"1869335\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-ccbbd31 e-con-full e-flex e-con e-child\" data-id=\"ccbbd31\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4e10ba1 elementor-widget elementor-widget-n-accordion\" data-id=\"4e10ba1\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;default_state&quot;:&quot;all_collapsed&quot;,&quot;max_items_expended&quot;:&quot;one&quot;,&quot;n_accordion_animation_duration&quot;:{&quot;unit&quot;:&quot;ms&quot;,&quot;size&quot;:400,&quot;sizes&quot;:[]}}\" data-widget_type=\"nested-accordion.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"e-n-accordion\" aria-label=\"Accordion. Open links with Enter or Space, close with Escape, and navigate with Arrow Keys\">\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-8180\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"1\" tabindex=\"0\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-8180\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><span class=\"e-n-accordion-item-title-text\"> High efficiency and energy efficiency <\/span><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><i aria-hidden=\"true\" class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t<span class='e-closed'><i aria-hidden=\"true\" class=\"fas fa-plus\"><\/i><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-8180\" class=\"elementor-element elementor-element-835fa3d e-con-full e-flex e-con e-child\" data-id=\"835fa3d\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5752413 color-scheme-inherit text-left elementor-widget elementor-widget-text-editor\" data-id=\"5752413\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>&#8211; <span style=\"color: #4b76f9;\">The<\/span> fan should have a high aerodynamic efficiency in order to minimize the energy consumption of the heat pump.<\/p><p>&#8211; <span style=\"color: #4b76f9;\">EC motors<\/span> (electronically commutated motors) are more energy-efficient than AC motors and offer more precise control.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-8181\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"2\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-8181\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><span class=\"e-n-accordion-item-title-text\"> Optimized air flow rate <\/span><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><i aria-hidden=\"true\" class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t<span class='e-closed'><i aria-hidden=\"true\" class=\"fas fa-plus\"><\/i><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-8181\" class=\"elementor-element elementor-element-eb60ce7 e-con-full e-flex e-con e-child\" data-id=\"eb60ce7\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-bf452a0 color-scheme-inherit text-left elementor-widget elementor-widget-text-editor\" data-id=\"bf452a0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>&#8211; <span style=\"color: #4b76f9;\">The<\/span> fan must guide the air flow optimally in order to ensure constant heat exchange at the evaporator or condenser of the heat pump.<\/p><p>&#8211; <span style=\"color: #4b76f9;\">A<\/span> sufficient volume flow rate (m\u00b3\/h) is crucial in order to move enough air for heat exchange.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-8182\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"3\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-8182\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><span class=\"e-n-accordion-item-title-text\"> Low noise emission (quiet operation) <\/span><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><i aria-hidden=\"true\" class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t<span class='e-closed'><i aria-hidden=\"true\" class=\"fas fa-plus\"><\/i><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-8182\" class=\"elementor-element elementor-element-81ac87a e-con-full e-flex e-con e-child\" data-id=\"81ac87a\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-51cf2ed color-scheme-inherit text-left elementor-widget elementor-widget-text-editor\" data-id=\"51cf2ed\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>&#8211; <span style=\"color: #4b76f9;\">Specially<\/span> shaped fan blades (e.g. with blade curvature) can minimize turbulence and thus noise.<\/p><p>&#8211; Balanced<span style=\"color: #4b76f9;\">,<\/span> low-vibration operation ensures low noise levels, which is particularly important for heat pumps in residential areas.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-8183\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"4\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-8183\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><span class=\"e-n-accordion-item-title-text\"> Resistance to environmental influences <\/span><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><i aria-hidden=\"true\" class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t<span class='e-closed'><i aria-hidden=\"true\" class=\"fas fa-plus\"><\/i><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-8183\" class=\"elementor-element elementor-element-68f1a57 e-con-full e-flex e-con e-child\" data-id=\"68f1a57\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-bb97510 color-scheme-inherit text-left elementor-widget elementor-widget-text-editor\" data-id=\"bb97510\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>&#8211; <span style=\"color: #4b76f9;\">The<\/span> fan must be weatherproof, especially against moisture, frost and UV radiation.<\/p><p>&#8211; <span style=\"color: #4b76f9;\">Corrosion-resistant<\/span> materials such as coated aluminum or stainless steel increase the service life.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-8184\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"5\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-8184\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><span class=\"e-n-accordion-item-title-text\"> Speed control and controllability <\/span><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><i aria-hidden=\"true\" class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t<span class='e-closed'><i aria-hidden=\"true\" class=\"fas fa-plus\"><\/i><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-8184\" class=\"elementor-element elementor-element-0b03efb e-con-full e-flex e-con e-child\" data-id=\"0b03efb\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ab7d103 color-scheme-inherit text-left elementor-widget elementor-widget-text-editor\" data-id=\"ab7d103\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>&#8211; Variable speed control <span style=\"color: #4b76f9;\">enables<\/span> the heat pump to flexibly adapt the air volume to the operating conditions (e.g. at different outside temperatures).<\/p><p>&#8211; <span style=\"color: #4b76f9;\">Intelligent<\/span> controls (e.g. using a frequency converter) help to adapt the fan to the heat pump output.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-8185\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"6\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-8185\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><span class=\"e-n-accordion-item-title-text\"> Flow-optimized design <\/span><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><i aria-hidden=\"true\" class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t<span class='e-closed'><i aria-hidden=\"true\" class=\"fas fa-plus\"><\/i><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-8185\" class=\"elementor-element elementor-element-718c2da e-con-full e-flex e-con e-child\" data-id=\"718c2da\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1ac45d8 color-scheme-inherit text-left elementor-widget elementor-widget-text-editor\" data-id=\"1ac45d8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>&#8211; <span style=\"color: #4b76f9;\">Axial fans<\/span> are often used for air-to-water heat pumps as they can move large volumes of air with a moderate pressure difference.<\/p><p>&#8211; <span style=\"color: #4b76f9;\">Centrifugal fans<\/span> are more suitable for air-air systems or special applications with higher pressure requirements.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-8186\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"7\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-8186\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><span class=\"e-n-accordion-item-title-text\"> Long service life and ease of maintenance <\/span><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><i aria-hidden=\"true\" class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t<span class='e-closed'><i aria-hidden=\"true\" class=\"fas fa-plus\"><\/i><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-8186\" class=\"elementor-element elementor-element-f0a8213 e-con-full e-flex e-con e-child\" data-id=\"f0a8213\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-74774b3 color-scheme-inherit text-left elementor-widget elementor-widget-text-editor\" data-id=\"74774b3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>&#8211; <span style=\"color: #4b76f9;\">Robust<\/span> bearings (e.g. ball-bearing motors) ensure a long service life with minimal maintenance.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-8187\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"8\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-8187\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><span class=\"e-n-accordion-item-title-text\"> Compact design for easy integration <\/span><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><i aria-hidden=\"true\" class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t<span class='e-closed'><i aria-hidden=\"true\" class=\"fas fa-plus\"><\/i><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-8187\" class=\"elementor-element elementor-element-3fe0b97 e-con-full e-flex e-con e-child\" data-id=\"3fe0b97\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-17cdf0b color-scheme-inherit text-left elementor-widget elementor-widget-text-editor\" data-id=\"17cdf0b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>&#8211; <span style=\"color: #4b76f9;\">The<\/span> fan should be able to be integrated into the heat pump housing to save space so as not to unnecessarily increase the overall size of the system.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-d3700f9 e-con-full e-flex e-con e-child\" data-id=\"d3700f9\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ab307a6 elementor-widget elementor-widget-heading\" data-id=\"ab307a6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<span class=\"elementor-heading-title elementor-size-default\">Important requirements for fans<\/span>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-77d02e1 elementor-align-start elementor-icon-list--layout-traditional elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list\" data-id=\"77d02e1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-list.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items\">\n\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-check-circle\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">High efficiency &amp; low power consumption<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-check-circle\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Optimum air flow rate for efficient heat exchange<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-check-circle\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Low-noise operation for residential areas<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-check-circle\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Weatherproof &amp; durable<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-check-circle\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Variable speed control for flexible performance<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-33ad46c e-con-full e-flex e-con e-child\" data-id=\"33ad46c\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-eebbfe6 elementor-position-inline-start elementor-view-default elementor-mobile-position-block-start elementor-widget elementor-widget-icon-box\" data-id=\"eebbfe6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-box.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-icon-box-wrapper\">\n\n\t\t\t\t\t\t<div class=\"elementor-icon-box-icon\">\n\t\t\t\t<span  class=\"elementor-icon\">\n\t\t\t\t<i aria-hidden=\"true\" class=\"feather icon-info\"><\/i>\t\t\t\t<\/span>\n\t\t\t<\/div>\n\t\t\t\n\t\t\t\t\t\t<div class=\"elementor-icon-box-content\">\n\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<p class=\"elementor-icon-box-description\">\n\t\t\t\t\t\tAn ideal fan for a heat pump should be energy-efficient, low-noise, weatherproof and speed-controllable. EC axial fans with optimized blade profiles are particularly suitable for many applications. \t\t\t\t\t<\/p>\n\t\t\t\t\n\t\t\t<\/div>\n\t\t\t\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"wd-negative-gap elementor-element elementor-element-56cbe69 wd-section-stretch e-flex e-con-boxed e-con e-parent\" data-id=\"56cbe69\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-b36e630 e-con-full e-flex e-con e-child\" data-id=\"b36e630\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-2b71be3 e-con-full e-flex e-con e-child\" data-id=\"2b71be3\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-62171fc e-con-full e-flex e-con e-child\" data-id=\"62171fc\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-41aa608 elementor-widget elementor-widget-image\" data-id=\"41aa608\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"400\" src=\"https:\/\/dev.breuell-hilgenfeldt.de\/wp-content\/uploads\/2025\/02\/ventilator-waermepumpe-1.jpg\" class=\"attachment-large size-large wp-image-32470\" alt=\"Ventilator schwarz ideal f\u00fcr den Einsatz in W\u00e4rmepumpen\" srcset=\"https:\/\/dev.breuell-hilgenfeldt.de\/wp-content\/uploads\/2025\/02\/ventilator-waermepumpe-1.jpg 600w, https:\/\/dev.breuell-hilgenfeldt.de\/wp-content\/uploads\/2025\/02\/ventilator-waermepumpe-1-400x267.jpg 400w, https:\/\/dev.breuell-hilgenfeldt.de\/wp-content\/uploads\/2025\/02\/ventilator-waermepumpe-1-430x287.jpg 430w, https:\/\/dev.breuell-hilgenfeldt.de\/wp-content\/uploads\/2025\/02\/ventilator-waermepumpe-1-150x100.jpg 150w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-8cb3f37 e-con-full e-flex e-con e-child\" data-id=\"8cb3f37\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-dc4868a elementor-widget elementor-widget-heading\" data-id=\"dc4868a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">How a heat pump works<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6d34935 color-scheme-inherit text-left elementor-widget elementor-widget-text-editor\" data-id=\"6d34935\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>A heat pump works on the principle of heat transfer and uses environmental heat from the air, ground or groundwater to heat or cool buildings. Its operation is based on a closed refrigeration cycle, which is divided into four main phases: evaporation, compression, condensation and expansion. <\/p><p>First, environmental heat is absorbed by a heat exchanger, causing a special refrigerant to evaporate. This refrigerant has a very low boiling point, so that even low temperatures are sufficient to convert it into a gaseous state. The gaseous refrigerant is then highly compressed by a compressor, which increases the pressure and therefore also the temperature of the gas.  <\/p><p>The refrigerant, which is now hot and under high pressure, then passes into a second heat exchanger, the condenser. Here it releases the absorbed heat to the heating system, for example to underfloor heating or radiators. As the heat is released, the refrigerant cools down again and condenses back into a liquid state.  <\/p><p>Finally, the refrigerant passes through an expansion valve, which reduces the pressure, causing the temperature to drop further. The cycle then starts again: the refrigerant absorbs heat from the environment again and evaporates. <\/p><p>There are different types of heat pumps depending on the heat source. Air-to-water heat pumps use the ambient air, ground source heat pumps draw energy from the ground and water-to-water heat pumps extract heat from the groundwater. As a heat pump supplies more thermal energy than it requires in terms of electrical energy, it works very efficiently and sustainably, especially in conjunction with renewable energies such as photovoltaics.  <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"wd-negative-gap elementor-element elementor-element-0ec6576 wd-section-stretch e-flex e-con-boxed e-con e-parent\" data-id=\"0ec6576\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-d50a257 e-con-full e-flex e-con e-child\" data-id=\"d50a257\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-b75ee8d e-con-full e-flex e-con e-child\" data-id=\"b75ee8d\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-021f859 e-con-full e-flex e-con e-child\" data-id=\"021f859\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-8c2c924 elementor-widget elementor-widget-image\" data-id=\"8c2c924\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"400\" src=\"https:\/\/dev.breuell-hilgenfeldt.de\/wp-content\/uploads\/2025\/02\/ventilator-waermepumpe-2.jpg\" class=\"attachment-large size-large wp-image-32472\" alt=\"AxiEco black fan ideal for use in heat pumps\" srcset=\"https:\/\/dev.breuell-hilgenfeldt.de\/wp-content\/uploads\/2025\/02\/ventilator-waermepumpe-2.jpg 600w, https:\/\/dev.breuell-hilgenfeldt.de\/wp-content\/uploads\/2025\/02\/ventilator-waermepumpe-2-400x267.jpg 400w, https:\/\/dev.breuell-hilgenfeldt.de\/wp-content\/uploads\/2025\/02\/ventilator-waermepumpe-2-430x287.jpg 430w, https:\/\/dev.breuell-hilgenfeldt.de\/wp-content\/uploads\/2025\/02\/ventilator-waermepumpe-2-150x100.jpg 150w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-6f556a1 e-con-full e-flex e-con e-child\" data-id=\"6f556a1\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-61e0d57 elementor-widget elementor-widget-heading\" data-id=\"61e0d57\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">How a heat pump works<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ae72054 color-scheme-inherit text-left elementor-widget elementor-widget-text-editor\" data-id=\"ae72054\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>A high-quality fan for heat pumps is characterized by several specific features that ensure efficient and quiet operation. The models developed by ebm-papst, such as the AxiEco Plug-In and the AxiTone, are specially designed for use in heat pumps and offer the following advantages: <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-87db470 color-scheme-inherit text-left elementor-widget elementor-widget-text-editor\" data-id=\"87db470\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><b>High energy efficiency:<\/b> The aerodynamically optimized design of the rotor blades and the use of modern EC motors (electronically commutated motors) minimize energy consumption. This leads to an improved overall performance of the heat pump. <\/p><p><b>Low noise level:<\/b> The fans are designed to maintain a constant and low noise level over a wide operating range. This is particularly important for use in residential areas to avoid noise nuisance. <\/p><p><b>Robustness against environmental influences:<\/b> The use of high-quality materials and a well thought-out design make the fans resistant to external influences such as moisture, frost and UV radiation. This ensures a long service life, even in demanding weather conditions. <\/p><p><b>Compact design:<\/b> The fans are designed to save space, which facilitates integration into various heat pump systems while maximizing the efficiency of the air flow.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ecad233 color-scheme-inherit text-left elementor-widget elementor-widget-text-editor\" data-id=\"ecad233\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>In addition, ebm-papst attaches great importance to the psychoacoustic optimization of its fans. Extensive tests in our own psychoacoustics laboratory ensure that the noise of the fans is perceived as pleasant and unobtrusive. This contributes significantly to living comfort and reduces potential disturbance factors for residents.  <\/p><p>All in all, ebm-papst fans for heat pumps offer a combination of efficiency, durability and low-noise operation that meets the high demands of modern heating technology.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"wd-negative-gap elementor-element elementor-element-37719f62 e-flex e-con-boxed e-con e-parent\" data-id=\"37719f62\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-30075102 e-con-full e-flex e-con e-child\" data-id=\"30075102\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-1642ff9c e-con-full e-flex e-con e-child\" data-id=\"1642ff9c\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d8bf684 elementor-widget elementor-widget-heading\" data-id=\"d8bf684\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<span class=\"elementor-heading-title elementor-size-default\">Do you have any questions or would you like some advice?<\/span>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-654d23f9 color-scheme-inherit text-left elementor-widget elementor-widget-text-editor\" data-id=\"654d23f9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>We will be happy to answer any questions you may have and look forward to hearing from you.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-525a4311 e-con-full e-flex e-con e-child\" data-id=\"525a4311\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1c830197 elementor-align-left elementor-widget elementor-widget-button\" data-id=\"1c830197\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/dev.breuell-hilgenfeldt.de\/en\/contact-form\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-icon\">\n\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-envelope\"><\/i>\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Get in touch<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-299e970 elementor-align-left elementor-widget elementor-widget-button\" data-id=\"299e970\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"tel:+494053809220\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-icon\">\n\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-phone-alt\"><\/i>\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Call now<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-1f158be6 e-con-full e-flex e-con e-child\" data-id=\"1f158be6\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-317e6ba color-scheme-inherit text-left elementor-widget elementor-widget-text-editor\" data-id=\"317e6ba\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>You can reach us <strong>Monday to Thursday<\/strong> from <strong>8 a.m. to 5 p.m.<\/strong> and <strong>Friday<\/strong> from <strong>8 a.m. to 2 p.m.<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Fans for heat pumps Efficient and quiet fans for heat pumps &#8211; for optimum performance and low-noise operation. Find out<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":23853,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"content-type":"","footnotes":""},"class_list":["post-32458","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Efficient fans for heat pumps | Breuell &amp; Hilgenfeldt GmbH<\/title>\n<meta name=\"description\" content=\"Efficient and quiet fans for use in indoor and outdoor air source heat pumps. 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