{"id":10181,"date":"2025-07-17T10:39:29","date_gmt":"2025-07-17T08:39:29","guid":{"rendered":"https:\/\/havndalfjernvarme.dk\/avoid-legionella-bacteria\/"},"modified":"2025-08-28T13:29:59","modified_gmt":"2025-08-28T11:29:59","slug":"avoid-legionella-bacteria","status":"publish","type":"page","link":"https:\/\/havndalfjernvarme.dk\/en\/avoid-legionella-bacteria\/","title":{"rendered":"Avoid legionella bacteria"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"10181\" class=\"elementor elementor-10181 elementor-9622\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-93c9729 e-con-full no-padding e-flex e-con e-parent\" data-id=\"93c9729\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-59055d75 elementor-widget elementor-widget-template\" data-id=\"59055d75\" data-element_type=\"widget\" data-widget_type=\"template.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-template\">\n\t\t\t\t\t<div data-elementor-type=\"container\" data-elementor-id=\"6563\" class=\"elementor elementor-6563\" data-elementor-post-type=\"elementor_library\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6b499f1f e-con-full no-padding e-flex e-con e-parent\" data-id=\"6b499f1f\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1ecbb66 elementor-widget elementor-widget-template\" data-id=\"1ecbb66\" data-element_type=\"widget\" data-widget_type=\"template.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-template\">\n\t\t\t\t\t<div data-elementor-type=\"container\" data-elementor-id=\"6542\" class=\"elementor elementor-6542\" data-elementor-post-type=\"elementor_library\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2bc4b5ab white e-flex e-con-boxed e-con e-parent\" data-id=\"2bc4b5ab\" data-element_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\t\t<div class=\"elementor-element elementor-element-1d645c29 elementor-icon-list--layout-inline elementor-align-center elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list\" data-id=\"1d645c29\" data-element_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 elementor-inline-items\">\n\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-inline-item\">\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\"><a href=\"tel:+45 86 47 09 15\" aria-label=\"Telefon nummer\">+45 86 47 09 15<\/a><\/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 elementor-inline-item\">\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\"><a href=\"mailto:hvdvarme@outlook.dk\" aria-label=\"Email adresse\">hvdvarme@outlook.dk<\/a><\/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\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\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\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-d377c89 e-flex e-con-boxed e-con e-parent\" data-id=\"d377c89\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-8ca8dbe e-con-full e-flex e-con e-child\" data-id=\"8ca8dbe\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d801df0 elementor-widget elementor-widget-text-editor\" data-id=\"d801df0\" data-element_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<h2>Avoid legionella bacteria!<\/h2>\n<p><strong>How to check the temperature in the hot water tank<\/strong><\/p>\n<ul>\n<li>Choose a faucet that is located a good distance away from the hot water tank.<\/li><li>Let the water run until it is as hot as possible.<\/li><li>Fill a cup with hot water so that the cup is warmed up. Empty the cup again.<\/li><li>Place a thermometer in the hot cup and refill it with hot tap water.<\/li><li>If the water is above or below 50\u00b0C, adjust the temperature in the hot water tank. Check the system&#8217;s manual for how to do this. You can contact us and we can help you set up the installation.<\/li><li>Wait a few hours before measuring again.<\/li>\n<\/ul>\n<p>Therefore, the water in the hot water tank should be 55 \u00b0C.<\/p>\n<p>The optimal temperature in a hot water tank is 55 \u00baC. The water is then approximately 50 \u00b0C when it comes out of the taps.<\/p>\n<p>If the temperature is higher, you use an unnecessary amount of energy and the container will release limescale that can affect the container&#8217;s lifespan. If it is colder, it can provide good growth conditions for, for example, legionella bacteria.<\/p>\n<p><b>How to check the temperature if you have a flow-through water heater<\/b><br> With a flow-through water heater, there is a significantly lower risk of legionella bacteria developing as there is not much stagnant hot water. It is always a good idea to check the hot water temperature as there is increased energy consumption if the hot water temperature is too high.<\/p>\n<ul>\n<li>1. Choose a faucet that is located a good distance away from the instantaneous water heater.<br> 2. Run the water until it is as hot as possible.<br> 3. Fill a cup with hot water to warm the cup. Empty the cup again.<br> 4. Place a thermometer in the hot cup and refill it with hot tap water.<br> 5. If the water is above or below 50 \u00b0C, adjust the temperature in the installation. Check the system&#8217;s manual for how to do this. You can contact us and we can help you set up the installation.<\/li>\n<\/ul>\n<p>The optimal temperature for tapping hot water is 55 \u00baC. The water is then approximately 50 \u00b0C when it comes out of the taps.<\/p>\n<p>If the temperature is higher, you use an unnecessary amount of energy and produce limescale that can affect the lifespan of the installation. If it is colder, it can provide good growth conditions for, for example, legionella bacteria.<\/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-0e39e0b e-con-full e-flex e-con e-child\" data-id=\"0e39e0b\" data-element_type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-6fea825 e-con-full accent e-flex e-con e-child\" data-id=\"6fea825\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3301887 elementor-widget elementor-widget-sidebar\" data-id=\"3301887\" data-element_type=\"widget\" data-widget_type=\"sidebar.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<aside id=\"text-12\" class=\"widget-odd widget-3 widget inner-padding widget_text\"><h2 class=\"widget-title\">Do you want to hear more?<\/h2>\t\t\t<div class=\"textwidget\"><p>Contact Havndal Fjernvarme a.m.b.a. today and we will get back to you as soon as possible.<\/p>\n<\/div>\n\t\t<\/aside><aside id=\"forminator_widget-3\" class=\"widget-even widget-last widget-4 widget inner-padding widget_forminator_widget\"><form id=\"forminator-module-10225\" class=\"forminator-custom-form forminator-custom-form-10225\" method=\"post\" data-forminator-render=\"0\" data-uid=\"6a2cddfdb1d31\"><div role=\"alert\" aria-live=\"polite\" class=\"forminator-response-message forminator-error\" aria-hidden=\"true\"><\/div><\/form><\/aside>\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=\"elementor-element elementor-element-696e1be e-con-full no-padding e-flex e-con e-parent\" data-id=\"696e1be\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4be2e30 elementor-widget elementor-widget-template\" data-id=\"4be2e30\" data-element_type=\"widget\" data-widget_type=\"template.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-template\">\n\t\t\t\t\t<div data-elementor-type=\"container\" data-elementor-id=\"9576\" class=\"elementor elementor-9576\" data-elementor-post-type=\"elementor_library\">\n\t\t\t\t<div class=\"elementor-element elementor-element-69c53e7d e-con-full no-padding e-flex e-con e-parent\" data-id=\"69c53e7d\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2e13b24f elementor-widget elementor-widget-template\" data-id=\"2e13b24f\" data-element_type=\"widget\" data-widget_type=\"template.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-template\">\n\t\t\t\t\t<div data-elementor-type=\"container\" data-elementor-id=\"10198\" class=\"elementor elementor-10198 elementor-9779\" data-elementor-post-type=\"elementor_library\">\n\t\t\t\t<div class=\"elementor-element elementor-element-27e8fa02 dark e-flex e-con-boxed e-con e-parent\" data-id=\"27e8fa02\" data-element_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-42548afa e-con-full e-flex e-con e-child\" data-id=\"42548afa\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6b9341a elementor-widget elementor-widget-text-editor\" data-id=\"6b9341a\" data-element_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<h2>Contact us<\/h2><p>You are very welcome to contact us. We will respond to your inquiry as soon as possible.<\/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-3e3cf645 elementor-icon-list--layout-traditional elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list\" data-id=\"3e3cf645\" data-element_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<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-check\" viewBox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M173.898 439.404l-166.4-166.4c-9.997-9.997-9.997-26.206 0-36.204l36.203-36.204c9.997-9.998 26.207-9.998 36.204 0L192 312.69 432.095 72.596c9.997-9.997 26.207-9.997 36.204 0l36.203 36.204c9.997 9.997 9.997 26.206 0 36.204l-294.4 294.401c-9.998 9.997-26.207 9.997-36.204-.001z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Get a response to your inquiry within 1-3 business days<\/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<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-check\" viewBox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M173.898 439.404l-166.4-166.4c-9.997-9.997-9.997-26.206 0-36.204l36.203-36.204c9.997-9.998 26.207-9.998 36.204 0L192 312.69 432.095 72.596c9.997-9.997 26.207-9.997 36.204 0l36.203 36.204c9.997 9.997 9.997 26.206 0 36.204l-294.4 294.401c-9.998 9.997-26.207 9.997-36.204-.001z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Experienced professionals with many years of experience<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li 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class=\"elementor-shortcode\"><form id=\"forminator-module-10225\" class=\"forminator-custom-form forminator-custom-form-10225\" method=\"post\" data-forminator-render=\"1\" data-uid=\"6a2cddfdb824b\"><div role=\"alert\" aria-live=\"polite\" class=\"forminator-response-message forminator-error\" aria-hidden=\"true\"><\/div><\/form><\/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\t\t<\/div>\n\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\t\t<\/div>\n\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\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Avoid legionella bacteria! How to check the temperature in the hot water tank Choose a faucet that is located a good distance away from the hot water tank. Let the water run until it is as hot as possible. Fill a cup with hot water so that the cup is warmed up. Empty the cup &#8230; <a title=\"Avoid legionella bacteria\" class=\"read-more\" href=\"https:\/\/havndalfjernvarme.dk\/en\/avoid-legionella-bacteria\/\" aria-label=\"Read more about Avoid legionella bacteria\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"categories":[],"class_list":["post-10181","page","type-page","status-publish"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Havndal District Heating<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/havndalfjernvarme.dk\/en\/avoid-legionella-bacteria\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Havndal District Heating\" \/>\n<meta property=\"og:description\" content=\"Avoid legionella bacteria! 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