1.0IREChttps://www.irec.cat/caIREChttps://www.irec.cat/carich600338<blockquote class="wp-embedded-content" data-secret="96W2IJl6RZ"><a href="https://www.irec.cat/ca/research/projects/iea-tcp-hpt-project-62">Heat pumps for multi-family residential buildings in cities (IEA TCP HPT- Project 62)</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.irec.cat/ca/research/projects/iea-tcp-hpt-project-62/embed#?secret=96W2IJl6RZ" width="600" height="338" title="“Heat pumps for multi-family residential buildings in cities (IEA TCP HPT- Project 62)” — IREC" data-secret="96W2IJl6RZ" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! This file is auto-generated */ !function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document); //# sourceURL=https://www.irec.cat/wp-includes/js/wp-embed.min.js </script> This Project (formerly known as Annex) focuses on heat pump solutions for multi-family houses in high-density cities. In response to the demand of the participating countries new buildings and retrofit will be considered, as well as buildings with higher specific heating demand. There is no doubt about the dramatic situation of climate change and the… https://www.irec.cat/wp-content/uploads/2026/02/Logos-IREC_vertical-color_web.png600326