1.0ClimaLevel Energiesystemehttps://www.climalevel.com/en/rich600338<blockquote class="wp-embedded-content" data-secret="DD1CWh7v8x"><a href="https://www.climalevel.com/en/planning-expertise/">Planning expertise</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.climalevel.com/en/planning-expertise/embed/#?secret=DD1CWh7v8x" width="600" height="338" title="“Planning expertise” — ClimaLevel Energiesysteme" data-secret="DD1CWh7v8x" 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.climalevel.com/wp-includes/js/wp-embed.min.js </script> https://www.climalevel.com/wp-content/uploads/65-climalevel-plan-1080x1440-1.jpg1080810In times of massively rising energy prices and stricter legal requirements for existing buildings and their heating systems, it is important to maintain an overview of the possible measures for the energy-efficient refurbishment of existing buildings.