{"id":3760,"date":"2024-05-24T08:59:17","date_gmt":"2024-05-24T08:59:17","guid":{"rendered":"https:\/\/selitys.fi\/how-is-the-energy-consumption-of-underfloor-heating-calculated\/"},"modified":"2024-05-24T08:59:17","modified_gmt":"2024-05-24T08:59:17","slug":"how-is-the-energy-consumption-of-underfloor-heating-calculated","status":"publish","type":"post","link":"https:\/\/selitys.fi\/en\/how-is-the-energy-consumption-of-underfloor-heating-calculated\/","title":{"rendered":"How is the energy consumption of underfloor heating calculated?"},"content":{"rendered":"<p>Calculating the energy consumption of underfloor heating is an important part of energy efficiency and cost management. In this article, we go through how you can calculate the energy consumption of underfloor heating and which factors affect it. <\/p>\n<h2>What do you need to calculate?<\/h2>\n<p>Before you start the calculation, you should collect the following information:<\/p>\n<ul>\n<li>Power of the underfloor heating system (W\/m\u00b2)<\/li>\n<li>Surface of the area to be heated (m\u00b2)<\/li>\n<li>Usage time (hours per day and days per year)<\/li>\n<li>Price of electricity (\u20ac\/kWh)<\/li>\n<\/ul>\n<h2>Calculation formula<\/h2>\n<p>Calculating energy consumption can be divided into the following steps:<\/p>\n<ol>\n<li>Calculate the total power of the system: <b>Power (W) = Power per square meter (W\/m\u00b2) \u00d7 Area (m\u00b2)<\/b><\/li>\n<li>Convert power to kilowatts: <b>Power (kW) = Power (W) \/ 1000<\/b><\/li>\n<li>Calculate daily energy consumption: <b>Daily consumption (kWh) = Power (kW) \u00d7 Usage time (hours\/day)<\/b><\/li>\n<li>Calculate the annual energy consumption: <b>Annual consumption (kWh) = Daily consumption (kWh) \u00d7 Days of use per year<\/b><\/li>\n<li>Calculate the costs: <b>Costs (\u20ac) = Annual consumption (kWh) \u00d7 Electricity price (\u20ac\/kWh)<\/b><\/li>\n<\/ol>\n<h2>Example<\/h2>\n<p>Suppose you have a floor heating system with an output of 100 W\/m\u00b2 and an area to be heated of 50 m\u00b2. The system is in use 8 hours a day and 200 days a year. The price of electricity is \u20ac0.15\/kWh.<\/p>\n<ul>\n<li>Total power: 100 W\/m\u00b2 \u00d7 50 m\u00b2 = 5000 W<\/li>\n<li>Total power converted to kilowatts: 5000 W \/ 1000 = 5 kW<\/li>\n<li>Daily energy consumption: 5 kW \u00d7 8 hours = 40 kWh<\/li>\n<li>Annual energy consumption: 40 kWh \u00d7 200 days = 8000 kWh<\/li>\n<li>Costs: 8000 kWh \u00d7 \u20ac0.15\/kWh = \u20ac1200<\/li>\n<\/ul>\n<h2>Factors that affect energy consumption<\/h2>\n<p>It is important to note that the energy consumption of underfloor heating is affected by several factors:<\/p>\n<ul>\n<li><b>Insulation:<\/b> A well-insulated house reduces the need for heating and thus energy consumption.<\/li>\n<li><b>Outside temperature:<\/b> Colder outside temperatures increase the need for heating.<\/li>\n<li><b>Operation time:<\/b> The longer the system is on, the more energy is consumed.<\/li>\n<li><b>Room temperature:<\/b> A higher room temperature requires more energy.<\/li>\n<\/ul>\n<h2>Summary<\/h2>\n<p>Calculating the energy consumption of underfloor heating is straightforward when you have the necessary information. By using the calculation formula shown above, you can estimate the energy consumption and costs of your system. Remember that insulation, outside temperature, usage time and room temperature are key factors that affect the final energy consumption.<\/p>\n<p>You can find more information from the following sources:<br \/>\n<a href=\"https:\/\/www.motiva.fi\" target=\"_blank\" rel=\"noopener\">Motiva<\/a><br \/>\n<a href=\"https:\/\/www.energiavirasto.fi\" target=\"_blank\" rel=\"noopener\">Energiavirasto<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Calculating the energy consumption of underfloor heating is an important part of energy efficiency and cost management. In this article, we go through how you can calculate the energy consumption of underfloor heating and which factors affect it. What do you need to calculate? Before you start the calculation, you should collect the following information:&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[2012,1994,1968],"tags":[],"class_list":["post-3760","post","type-post","status-publish","format-standard","hentry","category-building-questions","category-energy-consumption-questions","category-heating-questions"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>How is the energy consumption of underfloor heating calculated? | Selitys.fi<\/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:\/\/selitys.fi\/en\/how-is-the-energy-consumption-of-underfloor-heating-calculated\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How is the energy consumption of underfloor heating calculated? | Selitys.fi\" \/>\n<meta property=\"og:description\" content=\"Calculating the energy consumption of underfloor heating is an important part of energy efficiency and cost management. 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