<?xml version="1.0"?>
<oembed><version>1.0</version><provider_name>&#x3A9;&#x3BC;&#x3AD;&#x3B3;&#x3B1; Group</provider_name><provider_url>https://omegagroup.gr/en/</provider_url><author_name>Antigoni Pappa</author_name><author_url>https://omegagroup.gr/en/author/apappa/</author_url><title>Ventilation - &#x3A9;&#x3BC;&#x3AD;&#x3B3;&#x3B1; Group</title><type>rich</type><width>600</width><height>338</height><html>&lt;blockquote class="wp-embedded-content" data-secret="HeTmpSs2lB"&gt;&lt;a href="https://omegagroup.gr/en/home/protecthealth/ventilation/"&gt;Ventilation&lt;/a&gt;&lt;/blockquote&gt;&lt;iframe sandbox="allow-scripts" security="restricted" src="https://omegagroup.gr/en/home/protecthealth/ventilation/embed/#?secret=HeTmpSs2lB" width="600" height="338" title="&#x201C;Ventilation&#x201D; &#x2014; &#x3A9;&#x3BC;&#x3AD;&#x3B3;&#x3B1; Group" data-secret="HeTmpSs2lB" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"&gt;&lt;/iframe&gt;&lt;script type="text/javascript"&gt;
/*! This file is auto-generated */
!function(c,l){"use strict";var e=!1,o=!1;if(l.querySelector)if(c.addEventListener)e=!0;if(c.wp=c.wp||{},c.wp.receiveEmbedMessage);else if(c.wp.receiveEmbedMessage=function(e){var t=e.data;if(!t);else if(!(t.secret||t.message||t.value));else if(/[^a-zA-Z0-9]/.test(t.secret));else{for(var r,s,a,i=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),n=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),o=0;o&lt;n.length;o++)n[o].style.display="none";for(o=0;o&lt;i.length;o++)if(r=i[o],e.source!==r.contentWindow);else{if(r.removeAttribute("style"),"height"===t.message){if(1e3&lt;(s=parseInt(t.value,10)))s=1e3;else if(~~s&lt;200)s=200;r.height=s}if("link"===t.message)if(s=l.createElement("a"),a=l.createElement("a"),s.href=r.getAttribute("src"),a.href=t.value,a.host===s.host)if(l.activeElement===r)c.top.location.href=t.value}}},e)c.addEventListener("message",c.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",t,!1),c.addEventListener("load",t,!1);function t(){if(o);else{o=!0;for(var e,t,r,s=-1!==navigator.appVersion.indexOf("MSIE 10"),a=!!navigator.userAgent.match(/Trident.*rv:11\./),i=l.querySelectorAll("iframe.wp-embedded-content"),n=0;n&lt;i.length;n++){if(!(r=(t=i[n]).getAttribute("data-secret")))r=Math.random().toString(36).substr(2,10),t.src+="#?secret="+r,t.setAttribute("data-secret",r);if(s||a)(e=t.cloneNode(!0)).removeAttribute("security"),t.parentNode.replaceChild(e,t);t.contentWindow.postMessage({message:"ready",secret:r},"*")}}}}(window,document);
&lt;/script&gt;
</html><description>In the design of the modern house it is necessary to achieve the required air renewal in all areas. The air quality is controlled by sensors. The entry and discharge of fresh air is done in a controlled way. The air renewal is done by limiting the thermal gains or losses.</description></oembed>
