{"id":5576,"date":"2021-06-30T16:37:57","date_gmt":"2021-06-30T16:37:57","guid":{"rendered":"https:\/\/kaleidoscope.es\/blog\/energy-efficiency-in-homes\/"},"modified":"2026-02-03T18:52:25","modified_gmt":"2026-02-03T18:52:25","slug":"energy-efficiency-in-homes","status":"publish","type":"post","link":"https:\/\/kaleidoscope.es\/en\/blog\/energy-efficiency-in-homes\/","title":{"rendered":"Energy efficiency in homes"},"content":{"rendered":"<h2><b>Energy efficiency concept<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">The term energy efficiency, also called <\/span><b>energy saving<\/b><span style=\"font-weight: 400;\">, refers directly to <\/span><b>the efficient use of the energy we generate and consume<\/b><span style=\"font-weight: 400;\">  with the main purpose of reducing this amount of energy to the minimum possible during the production of material goods and the management of services. Thus, energy efficiency aims to   <\/span><b>protecting the environment<\/b><span style=\"font-weight: 400;\">, limiting ourselves to <\/span> the <b>consumption of only what is necessary<\/b><span style=\"font-weight: 400;\">.<\/span> <span style=\"font-weight: 400;\">However, we <\/span><b>are still wasting too much energy<\/b> today<span style=\"font-weight: 400;\">, and<\/span><b> the situation calls for <\/b><span style=\"font-weight: 400;\">a timely moderation of this consumption, as well as<\/span><b> a change in our habits<\/b><\/p>\n<p><span style=\"font-weight: 400;\">. El <\/span> <b> domestic recycling, the commitment<\/b><a href=\"https:\/\/kaleidoscope.es\/en\/blog\/construction-with-recycled-materials\/\"><b> to recycled materials for construction<\/b><\/a><b>, the circular economy, collaborative consumption, the reduction of water waste <\/b><span style=\"font-weight: 400;\">and, as we have been saying<\/span>, <b>contributing to energy efficiency<\/b><span style=\"font-weight: 400;\">, are essential actions to be carried out.<\/span><\/p>\n<h2><b>Energy efficiency in homes<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">We, as citizens, can contribute to<\/span><b> improving this situation from our homes<\/b><span style=\"font-weight: 400;\">, if we take into account the energy efficiency of our homes.<\/span> <span style=\"font-weight: 400;\">Even so, there are those who refuse to<\/span><b> bet on energy efficiency in homes<\/b><\/p>\n<p><span style=\"font-weight: 400;\">, as they argue that efficient and sustainable alternatives have a higher price and prefer to opt for less responsible products or services. However, in most cases, it is overlooked that   <\/span><b>in the long term, traditional energy models will take a higher toll, as is the case with traditional bulbs<\/b><span style=\"font-weight: 400;\"> in the long run, if we compare them with LED lights (higher acquisition price, but more efficient and profitable in the long term due to electricity savings).<\/span> <span style=\"font-weight: 400;\">Energy efficiency in <\/span><strong><a href=\"https:\/\/kaleidoscope.es\/en\/blog\/the-types-of-housing-and-their-main-characteristics\/\">homes of any type<\/a><\/strong><b> is conditioned by different factors,  features and qualities<\/b><span style=\"font-weight: 400;\"> such as <\/span><b>heating, water supply, lighting, ventilation, insulation&#8230; <\/b><span style=\"font-weight: 400;\">through which we can determine the degree of efficiency of each building or house, always taking into account the energy classification criteria.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Currently, 80% of homes have been built for more than 20 years. In addition, today,   <\/span><b>The criteria <\/b><span style=\"font-weight: 400;\">that determine energy efficiency in homes <\/span><b>are increasingly demanding <\/b><span style=\"font-weight: 400;\">and only the most modern homes are able to get an A, unless <\/span><b>the appropriate adaptations are made in homes that are older than that.<\/b><\/p>\n<h2><b>How to calculate energy efficiency in homes?<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">To<\/span><b> estimate the energy efficiency<\/b><span style=\"font-weight: 400;\"> consumed in a home, <\/span><b>an annual average of the energy consumption of the home<\/b> must be made<span style=\"font-weight: 400;\">, with the home being inhabited and with frequent use of its different energy elements (water, electricity, appliances&#8230;)<\/span> <span style=\"font-weight: 400;\">The data collected are reflected in<\/span><b> kWh\/m2 year and kg CO2\/m2 year<\/b><span style=\"font-weight: 400;\"> (kilowatt hours per square meter and kilograms of CO2 per square meter, etc.).  respectively).<\/span><\/p>\n<p><span style=\"font-weight: 400;\">According to the results obtained, the house is famously classified within the energy efficiency certificate. This will be   <\/span><b>essential if you intend to sell or lease a property or property and the degree of efficiency will be classified by means of the energy label.<\/b><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\" wp-image-1254 aligncenter\" src=\"https:\/\/kaleidoscope.es\/wp-content\/uploads\/2024\/07\/revalorizacion-por-eficiencia-energetica-en-viviendas.jpg\" alt=\"revaluation for energy efficiency in homes\" width=\"516\" height=\"343\"><\/p>\n<h2><b>The energy label<\/b><\/h2>\n<p><b>The energy label represents the energy efficiency classification value in homes according to an alphabetical scale<\/b><span style=\"font-weight: 400;\"> ranging<\/span><b> from<\/b> <b>A <\/b><span style=\"font-weight: 400;\">(maximum level of energy efficiency)<\/span><b> to G <\/b> <span style=\"font-weight: 400;\">(the least efficient homes). This label is not unique to real estate, but   <\/span><b>It is also used for household appliances and other electrical and electronic products.  <\/b><\/p>\n<p><span style=\"font-weight: 400;\">The differences between each &#8220;letter&#8221; are really remarkable, since in the case of an <\/span><b>&#8220;A&#8221;<\/b> energy rating, there <span style=\"font-weight: 400;\"> is an <\/span><b>energy efficiency in the home 10 times greater than in the &#8220;G&#8221; grade labels<\/b><span style=\"font-weight: 400;\">. De igual modo, una etiqueta de rango \u201cB\u201d consume siete veces menos energ\u00eda, y si llegamos hasta la \u201cC\u201d, ser\u00eda tan solo un 35% menos de consumo energ\u00e9tico (siempre en comparaci\u00f3n con la etiqueta de clase \u201cG\u201d, la m\u00e1s ineficiente). <\/span><\/p>\n<p><span style=\"font-weight: 400;\">It should be reiterated that it is difficult to achieve a good energy classification with isolated actions.<\/span><b>  A number of different measures will need to be put together to reduce energy waste and contribute to the environment.<\/b><\/p>\n<p><span style=\"font-weight: 400;\">The climate emergency has been knocking on our door for decades, and we are finally starting to put measures in place in the field of building and housing construction.  <\/span><\/p>\n<p><span style=\"font-weight: 400;\">Proof of this is the <\/span><a href=\"https:\/\/www.codigotecnico.org\/\" target=\"_blank\" rel=\"noopener\"><b>Technical Building Code<\/b> <b><\/b><b> or CTE in force since 2006 and which at the end of 2019 underwent a series of extensions<\/b><span style=\"font-weight: 400;\"> focused on setting joint references to improve energy savings in homes, among other things.<\/span><\/a><\/p>\n<p><span style=\"font-weight: 400;\">That said, let&#8217;s leave aside the &#8220;what&#8221; and get straight to the &#8220;how&#8221;&#8230;<\/span><\/p>\n<h2><b>How to improve the energy efficiency of homes or buildings?  <\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Any renovation must take into account the energy efficiency of the home or the entire building, depending on whether it is going to be contracted. Exist   <\/span><b>Various factors that may condition the need to make greater or lesser efforts to achieve appropriate energy savings:  <\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>The climatic conditions of the area:<\/b><span style=\"font-weight: 400;\"> The type of climate, its proximity to the sea, the altitude, the usual gusts of wind, floods, heavy snowfall, etc.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>The size of the home:<\/b><span style=\"font-weight: 400;\"> This is another factor that will condition the final energy rating, with large homes (in the same envelope conditions) usually having a better rating.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>The envelope: <\/b><span style=\"font-weight: 400;\">This refers to the interior spaces that border the exterior spaces (enclosures, openings, thermal bridges, etc.) and their insulation capacity will depend on the quality of the materials and profiles, glass, blinds, the degree of deterioration.<\/span><\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\" wp-image-1257 aligncenter\" src=\"https:\/\/kaleidoscope.es\/wp-content\/uploads\/2024\/07\/eficiencia-energetica-en-viviendas-aislamiento-termico.jpg\" alt=\"Energy efficiency in homes Thermal insulation\" width=\"485\" height=\"323\"><\/p>\n<p><em><span style=\"font-weight: 400;\">That said, let&#8217;s look at some options to improve energy efficiency in homes:<\/span><\/em><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Renew energy systems<\/b><span style=\"font-weight: 400;\"> such as heating, ventilation, appliances, air conditioners or air conditioners, etc.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Use eco-efficient heating systems<\/b><span style=\"font-weight: 400;\">: condensing boilers,<\/span><span style=\"font-weight: 400;\"> biomass, <\/span> electric <b>heating<\/b><span style=\"font-weight: 400;\">&#8230;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Betting on renewable energies<\/b><span style=\"font-weight: 400;\">: solar thermal energy, <\/span><span style=\"font-weight: 400;\">photovoltaic solar energy, <\/span><span style=\"font-weight: 400;\">geothermal, aerothermal energy..<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Insulate the home as much as possible:<\/b><span style=\"font-weight: 400;\"> Good insulation and watertightness (windows, thermal plasterboard, etc.)Eliminating thermal bridges is very efficient in terms of energy savings. <\/span> <\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>LED lighting:<\/b><span style=\"font-weight: 400;\"> low consumption, low heat emission, longer product life, economic savings&#8230;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>In buildings<\/b><span style=\"font-weight: 400;\">: fa\u00e7ade insulation, improvements in the thermal envelope, insulation on roofs, breakage of thermal bridges, etc.<\/span><\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\" wp-image-1256 aligncenter\" src=\"https:\/\/kaleidoscope.es\/wp-content\/uploads\/2024\/07\/placas-solares-para-eficiencia-energetica-en-viviendas.jpg\" alt=\"Solar panels for energy efficiency in homes\" width=\"520\" height=\"294\"><\/p>\n<h2><b>Does energy efficiency improve the price of housing and rent?<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Beyond the typical conditioning factors such as luminosity, presence of elevator, year of construction&#8230; Energy efficiency is currently another of the determining points when deciding to buy or rent a home; because of the economic savings or environmental contribution that it entails for the alleged buyer or tenant.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">So the answer is: <\/span><b>Yes, the energy label largely conditions the price that can be asked for a property or for renting it.<\/b><span style=\"font-weight: 400;\"> It will therefore be an attraction for potential interested parties, who will think about the savings it can mean in the long term and will be willing to pay a higher amount for the acquisition or rental.<\/span><\/p>\n<hr>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">For all these reasons, <\/span><b>betting on energy efficiency in homes is currently a good option<\/b><span style=\"font-weight: 400;\">, but it will not be long before it becomes an indispensable premise, to maintain the eco-efficiency of our planet from our homes.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Energy efficiency concept The term energy efficiency, also called energy saving, refers directly to the efficient use of the energy we generate and consume with the main purpose of reducing this amount of energy to the minimum possible during the production of material goods and the management of services. Thus, energy efficiency aims to protecting&#8230;<\/p>\n","protected":false},"author":2,"featured_media":3977,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[143],"tags":[],"class_list":["post-5576","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-eco-efficiency"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Energy efficiency in homes - Kaleidoscope<\/title>\n<meta name=\"description\" content=\"Energy efficiency in homes is becoming increasingly important for buyers and renters who are behind any home.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/kaleidoscope.es\/en\/blog\/eficiencia-energetica-en-viviendas\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Energy efficiency in homes - 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