{"id":8917,"date":"2012-12-13T17:12:09","date_gmt":"2012-12-13T16:12:09","guid":{"rendered":"https:\/\/www.mydatec.com\/frequently-asked-questions\/"},"modified":"2023-04-11T10:26:42","modified_gmt":"2023-04-11T09:26:42","slug":"frequently-asked-questions","status":"publish","type":"page","link":"https:\/\/www.mydatec.com\/en\/frequently-asked-questions\/","title":{"rendered":"FAQ"},"content":{"rendered":"<div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-1 fusion-flex-container nonhundred-percent-fullwidth non-hundred-percent-height-scrolling ctnr-top-h1-classique\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-justify-content-center fusion-flex-content-wrap\" style=\"max-width:1144px;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-0 fusion_builder_column_1_1 1_1 fusion-flex-column col-texte\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-title title fusion-title-1 fusion-sep-none fusion-title-text fusion-title-size-one\" style=\"--awb-margin-top-small:0px;--awb-margin-right-small:0px;--awb-margin-bottom-small:20px;--awb-margin-left-small:0px;\"><h1 class=\"fusion-title-heading title-heading-left\" style=\"margin:0;\">Frequently asked questions<\/h1><\/div><div class=\"fusion-text fusion-text-1 ss-titre\" style=\"--awb-text-transform:none;\"><p><em>Click on the question to discover the MyDATEC answer<\/em><\/p>\n<\/div><div class=\"accordian fusion-accordian\" style=\"--awb-border-size:1px;--awb-icon-size:13px;--awb-content-font-size:15px;--awb-icon-alignment:left;--awb-hover-color:#f9f9f9;--awb-border-color:#cccccc;--awb-background-color:#ffffff;--awb-divider-color:#e0dede;--awb-divider-hover-color:#e0dede;--awb-icon-color:#ffffff;--awb-title-color:#333333;--awb-content-color:#000000;--awb-icon-box-color:#333333;--awb-toggle-hover-accent-color:#19517d;--awb-title-font-family:&quot;Libre Franklin&quot;;--awb-title-font-weight:regular;--awb-title-font-style:normal;--awb-title-font-size:13px;--awb-content-font-family:&quot;Open Sans&quot;;--awb-content-font-style:normal;--awb-content-font-weight:regular;\"><div class=\"panel-group fusion-toggle-icon-boxed\" id=\"accordion-8917-1\"><div class=\"fusion-panel panel-default panel-28c87ce6e62658bfd fusion-toggle-has-divider\"><div class=\"panel-heading\"><h4 class=\"panel-title toggle\" id=\"toggle_28c87ce6e62658bfd\"><a aria-expanded=\"false\" aria-controls=\"28c87ce6e62658bfd\" role=\"button\" data-toggle=\"collapse\" data-parent=\"#accordion-8917-1\" data-target=\"#28c87ce6e62658bfd\" href=\"#28c87ce6e62658bfd\"><span class=\"fusion-toggle-icon-wrapper\" aria-hidden=\"true\"><i class=\"fa-fusion-box active-icon awb-icon-minus\" aria-hidden=\"true\"><\/i><i class=\"fa-fusion-box inactive-icon awb-icon-plus\" aria-hidden=\"true\"><\/i><\/span><span class=\"fusion-toggle-heading\">Does your system provide complete heating for my home?<\/span><\/a><\/h4><\/div><div id=\"28c87ce6e62658bfd\" class=\"panel-collapse collapse \" aria-labelledby=\"toggle_28c87ce6e62658bfd\"><div class=\"panel-body toggle-content fusion-clearfix\">\n<p>It depends on the thermal performance of your house and your heating habits!<\/p>\n<ul>\n<li>The MyDATEC thermodynamic CMV can provide an average of up to 3KW of heating power through its heat pump alone on extracted air.<\/li>\n<li>In new buildings: As a general rule, MyDATEC provides almost all the heating needs in newly built houses that meet RT2012 standards. A supplement via a wood stove, a Canadian well, and\/or electric resistances of safety for the big cold could be recommended in certain cases.<\/li>\n<li>In renovation, MyDATEC provides in most cases the totality of the heating needs in mid-season, which will allow you for example to stop your old more energy consuming system during this period of the year. In some cases, MyDATEC and your other heating system can be coupled to work together in the most economical way.<\/li>\n<li>The best solution: Depending on the thermal performance of your house, its surface and the region where you live, a specialized thermal study office will be able to tell you the heat output you need. Based on this study, we will be able to tell you whether your MyDATEC installation requires additional heating.<\/li>\n<\/ul>\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default panel-2d6b5d17f8bd8e3b3 fusion-toggle-has-divider\"><div class=\"panel-heading\"><h4 class=\"panel-title toggle\" id=\"toggle_2d6b5d17f8bd8e3b3\"><a aria-expanded=\"false\" aria-controls=\"2d6b5d17f8bd8e3b3\" role=\"button\" data-toggle=\"collapse\" data-parent=\"#accordion-8917-1\" data-target=\"#2d6b5d17f8bd8e3b3\" href=\"#2d6b5d17f8bd8e3b3\"><span class=\"fusion-toggle-icon-wrapper\" aria-hidden=\"true\"><i class=\"fa-fusion-box active-icon awb-icon-minus\" aria-hidden=\"true\"><\/i><i class=\"fa-fusion-box inactive-icon awb-icon-plus\" aria-hidden=\"true\"><\/i><\/span><span class=\"fusion-toggle-heading\">Is the MyDATEC CMV compatible with BBC? Passive house with a label? From the positive energy house?<\/span><\/a><\/h4><\/div><div id=\"2d6b5d17f8bd8e3b3\" class=\"panel-collapse collapse \" aria-labelledby=\"toggle_2d6b5d17f8bd8e3b3\"><div class=\"panel-body toggle-content fusion-clearfix\">\n<p>Of course, it is even specially adapted for this purpose. Know that with the new standards RT 2012, you will be obliged to go through a thermal study office. So, think of communicating us his coordinates so that we bring him all the elements relative to the calculation of the thermal study.<\/p>\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default panel-b425dffb42a860467 fusion-toggle-has-divider\"><div class=\"panel-heading\"><h4 class=\"panel-title toggle\" id=\"toggle_b425dffb42a860467\"><a aria-expanded=\"false\" aria-controls=\"b425dffb42a860467\" role=\"button\" data-toggle=\"collapse\" data-parent=\"#accordion-8917-1\" data-target=\"#b425dffb42a860467\" href=\"#b425dffb42a860467\"><span class=\"fusion-toggle-icon-wrapper\" aria-hidden=\"true\"><i class=\"fa-fusion-box active-icon awb-icon-minus\" aria-hidden=\"true\"><\/i><i class=\"fa-fusion-box inactive-icon awb-icon-plus\" aria-hidden=\"true\"><\/i><\/span><span class=\"fusion-toggle-heading\">What does the MyDATEC CMV bring to the table compared to a double flow system? How can we go further than a static exchanger with 100% efficiency?<\/span><\/a><\/h4><\/div><div id=\"b425dffb42a860467\" class=\"panel-collapse collapse \" aria-labelledby=\"toggle_b425dffb42a860467\"><div class=\"panel-body toggle-content fusion-clearfix\">\n<p>When ventilating, cold air is introduced (at the outside temperature) which, after being heated to room temperature (about 20\u00b0C), will be expelled to the outside. This loss constitutes a significant part of the total heating balance. The solutions are:<\/p>\n<ul>\n<li>The double flow CMV with static exchanger will limit the waste of this loss by trapping part of the calories before rejecting the extracted air to the outside.<\/li>\n<li>Instead of wasting this energy, the thermodynamic VMC will use it as a source to produce heat or cold (principle of the heat pump). Indeed, this heat source is constant, approximately at 20\u00b0C<\/li>\n<li>To compare the two systems, we could say that a thermodynamic CMV has an efficiency of 400 to 500% since it brings 4 to 5 times more energy than it consumes.<\/li>\n<\/ul>\n<p>Learn more about <a href=\"https:\/\/www.mydatec.com\/en\/the-performance-of-the-mydatec-ventilation-system-why-is-it-so-efficient\/\"><br \/>\n  <strong>efficiency of a CMV.<\/strong><br \/>\n<\/a><\/p>\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default panel-8a332facc63067cf2 fusion-toggle-has-divider\"><div class=\"panel-heading\"><h4 class=\"panel-title toggle\" id=\"toggle_8a332facc63067cf2\"><a aria-expanded=\"false\" aria-controls=\"8a332facc63067cf2\" role=\"button\" data-toggle=\"collapse\" data-parent=\"#accordion-8917-1\" data-target=\"#8a332facc63067cf2\" href=\"#8a332facc63067cf2\"><span class=\"fusion-toggle-icon-wrapper\" aria-hidden=\"true\"><i class=\"fa-fusion-box active-icon awb-icon-minus\" aria-hidden=\"true\"><\/i><i class=\"fa-fusion-box inactive-icon awb-icon-plus\" aria-hidden=\"true\"><\/i><\/span><span class=\"fusion-toggle-heading\">What is the difference between the thermodynamic double flow CMV and a classic air-to-air heat pump?<\/span><\/a><\/h4><\/div><div id=\"8a332facc63067cf2\" class=\"panel-collapse collapse \" aria-labelledby=\"toggle_8a332facc63067cf2\"><div class=\"panel-body toggle-content fusion-clearfix\">\n<ul>\n<li>The thermodynamic CMV is a ventilation system coupled to a heat pump of the same family as the AIR\/AIR systems usually found on the market.<\/li>\n<li>The difference is that: an AIR\/AIR heat pump draws its source of calories from the outside air (between -10 and 10\u00b0C in winter). A heat pump on extracted air (MyDATEC) draws its source of calories from the air extracted from the house via the ventilation system (constantly at 20\u00b0C)<\/li>\n<li>The disadvantage of the PAC air \/ air is that it works less well in winter (when the source is cold) when the needs are the most important<\/li>\n<li>The thermodynamic CMV provides maximum performance in winter (COP of 6 at -10\u00b0C)<\/li>\n<\/ul>\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default panel-f0c7e35ce69cea79c fusion-toggle-has-divider\"><div class=\"panel-heading\"><h4 class=\"panel-title toggle\" id=\"toggle_f0c7e35ce69cea79c\"><a aria-expanded=\"false\" aria-controls=\"f0c7e35ce69cea79c\" role=\"button\" data-toggle=\"collapse\" data-parent=\"#accordion-8917-1\" data-target=\"#f0c7e35ce69cea79c\" href=\"#f0c7e35ce69cea79c\"><span class=\"fusion-toggle-icon-wrapper\" aria-hidden=\"true\"><i class=\"fa-fusion-box active-icon awb-icon-minus\" aria-hidden=\"true\"><\/i><i class=\"fa-fusion-box inactive-icon awb-icon-plus\" aria-hidden=\"true\"><\/i><\/span><span class=\"fusion-toggle-heading\">How does the thermodynamic exchanger work?<\/span><\/a><\/h4><\/div><div id=\"f0c7e35ce69cea79c\" class=\"panel-collapse collapse \" aria-labelledby=\"toggle_f0c7e35ce69cea79c\"><div class=\"panel-body toggle-content fusion-clearfix\">\n<ul>\n<li>The MyDATEC thermodynamic heat recovery unit, thanks to its refrigeration circuit (extracted air &#8211; new air heat pump), allows the extracted air to be cooled down to around +2\u00b0C. We therefore take &#8220;18\u00b0C&#8221; to which will be added the dehumidification of the extracted air coming from the kitchen and the sanitary facilities, i.e. the &#8220;latent&#8221; heat, as well as the equivalent in heat of the electrical energy supplied to the unit (compressors, fans).<\/li>\n<li>In fact, the temperature of the new air will be 25 to 30\u00b0C, of which 18 to 20\u00b0C will be recovered from the exhaust air. (In the example above, the evolution would be: extracted air: +20\u00b0C =&gt; +2\u00b0C; new air: +10\u00b0C =&gt; + 35C\u00b0).<\/li>\n<li>When the extracted air is rejected from the dwelling at a temperature lower than the outside temperature, which will be the most frequent regime (example +2\u00b0C for +10\u00b0C outside) the system will draw heat from the outside environment.<\/li>\n<\/ul>\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default panel-a5a71ec25018aaf85 fusion-toggle-has-divider\"><div class=\"panel-heading\"><h4 class=\"panel-title toggle\" id=\"toggle_a5a71ec25018aaf85\"><a aria-expanded=\"false\" aria-controls=\"a5a71ec25018aaf85\" role=\"button\" data-toggle=\"collapse\" data-parent=\"#accordion-8917-1\" data-target=\"#a5a71ec25018aaf85\" href=\"#a5a71ec25018aaf85\"><span class=\"fusion-toggle-icon-wrapper\" aria-hidden=\"true\"><i class=\"fa-fusion-box active-icon awb-icon-minus\" aria-hidden=\"true\"><\/i><i class=\"fa-fusion-box inactive-icon awb-icon-plus\" aria-hidden=\"true\"><\/i><\/span><span class=\"fusion-toggle-heading\">Why is it only now that we are talking about indoor air pollution, VOCs, formaldehyde?<\/span><\/a><\/h4><\/div><div id=\"a5a71ec25018aaf85\" class=\"panel-collapse collapse \" aria-labelledby=\"toggle_a5a71ec25018aaf85\"><div class=\"panel-body toggle-content fusion-clearfix\">\n<p>Until the 1950s, there were, for example, no carpets or very elaborate cleaning products: the sources of pollution were probably less important. And since these houses were &#8220;sieves&#8221;, they were very well ventilated. In the 1970s the problem exploded. With the oil crisis, the insulation of buildings has been encouraged to save energy. It is this phenomenon that has aggravated indoor pollution, trapping it in our homes, at a time when mechanical ventilation was not very developed. Health problems, including allergies, have only increased since then.<\/p>\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default panel-674b0fa1b14cec5bf fusion-toggle-has-divider\"><div class=\"panel-heading\"><h4 class=\"panel-title toggle\" id=\"toggle_674b0fa1b14cec5bf\"><a aria-expanded=\"false\" aria-controls=\"674b0fa1b14cec5bf\" role=\"button\" data-toggle=\"collapse\" data-parent=\"#accordion-8917-1\" data-target=\"#674b0fa1b14cec5bf\" href=\"#674b0fa1b14cec5bf\"><span class=\"fusion-toggle-icon-wrapper\" aria-hidden=\"true\"><i class=\"fa-fusion-box active-icon awb-icon-minus\" aria-hidden=\"true\"><\/i><i class=\"fa-fusion-box inactive-icon awb-icon-plus\" aria-hidden=\"true\"><\/i><\/span><span class=\"fusion-toggle-heading\">What happens if I open my windows?<\/span><\/a><\/h4><\/div><div id=\"674b0fa1b14cec5bf\" class=\"panel-collapse collapse \" aria-labelledby=\"toggle_674b0fa1b14cec5bf\"><div class=\"panel-body toggle-content fusion-clearfix\">\n<p>It&#8217;s like the cap of your thermos bottle: it&#8217;s made for that, but you mustn&#8217;t abuse it, otherwise the coffee will get cold! Also, when you open the windows, the airflow in the house is disrupted, and your ventilation is no longer as effective. When you have a system such as MyDATEC, you should ventilate your home by opening the windows sparingly in order to limit energy losses.<\/p>\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default panel-a235e996eae26aca5 fusion-toggle-has-divider\"><div class=\"panel-heading\"><h4 class=\"panel-title toggle\" id=\"toggle_a235e996eae26aca5\"><a aria-expanded=\"false\" aria-controls=\"a235e996eae26aca5\" role=\"button\" data-toggle=\"collapse\" data-parent=\"#accordion-8917-1\" data-target=\"#a235e996eae26aca5\" href=\"#a235e996eae26aca5\"><span class=\"fusion-toggle-icon-wrapper\" aria-hidden=\"true\"><i class=\"fa-fusion-box active-icon awb-icon-minus\" aria-hidden=\"true\"><\/i><i class=\"fa-fusion-box inactive-icon awb-icon-plus\" aria-hidden=\"true\"><\/i><\/span><span class=\"fusion-toggle-heading\">Why choose MyDATEC rather than another brand of heat pump?<\/span><\/a><\/h4><\/div><div id=\"a235e996eae26aca5\" class=\"panel-collapse collapse \" aria-labelledby=\"toggle_a235e996eae26aca5\"><div class=\"panel-body toggle-content fusion-clearfix\">\n<ul>\n<li>MyDATEC is a brand from Lyon, exclusively made in France<\/li>\n<li>MyDATEC has the easiest to install, most compact system on the market<\/li>\n<li>MyDATEC has the best performance in heat pump on extracted air<\/li>\n<li>MyDATEC is the only brand to provide you with this level of<em>service <\/em>(technical study with quotation, preparation of the kit, technical assistance during installation, free breakdown diagnosis)<\/li>\n<\/ul>\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default panel-51c9bcc7dccb070c5 fusion-toggle-has-divider\"><div class=\"panel-heading\"><h4 class=\"panel-title toggle\" id=\"toggle_51c9bcc7dccb070c5\"><a aria-expanded=\"false\" aria-controls=\"51c9bcc7dccb070c5\" role=\"button\" data-toggle=\"collapse\" data-parent=\"#accordion-8917-1\" data-target=\"#51c9bcc7dccb070c5\" href=\"#51c9bcc7dccb070c5\"><span class=\"fusion-toggle-icon-wrapper\" aria-hidden=\"true\"><i class=\"fa-fusion-box active-icon awb-icon-minus\" aria-hidden=\"true\"><\/i><i class=\"fa-fusion-box inactive-icon awb-icon-plus\" aria-hidden=\"true\"><\/i><\/span><span class=\"fusion-toggle-heading\">Is the MyDATEC system suitable for a multi-storey house?<\/span><\/a><\/h4><\/div><div id=\"51c9bcc7dccb070c5\" class=\"panel-collapse collapse \" aria-labelledby=\"toggle_51c9bcc7dccb070c5\"><div class=\"panel-body toggle-content fusion-clearfix\">\n<p>The MyDatec system can be perfectly integrated in a multi-storey house, but as for a single-storey house, the installation will depend on the layout of your house. It is preferable to anticipate spaces reserved for the passage of ducts such as false ceilings, very early in the project with your architect<\/p>\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default panel-62a0602e277f47bcf fusion-toggle-has-divider\"><div class=\"panel-heading\"><h4 class=\"panel-title toggle\" id=\"toggle_62a0602e277f47bcf\"><a aria-expanded=\"false\" aria-controls=\"62a0602e277f47bcf\" role=\"button\" data-toggle=\"collapse\" data-parent=\"#accordion-8917-1\" data-target=\"#62a0602e277f47bcf\" href=\"#62a0602e277f47bcf\"><span class=\"fusion-toggle-icon-wrapper\" aria-hidden=\"true\"><i class=\"fa-fusion-box active-icon awb-icon-minus\" aria-hidden=\"true\"><\/i><i class=\"fa-fusion-box inactive-icon awb-icon-plus\" aria-hidden=\"true\"><\/i><\/span><span class=\"fusion-toggle-heading\">Is it possible to transform a single flow CMV into a double flow or a thermodynamic double flow CMV?<\/span><\/a><\/h4><\/div><div id=\"62a0602e277f47bcf\" class=\"panel-collapse collapse \" aria-labelledby=\"toggle_62a0602e277f47bcf\"><div class=\"panel-body toggle-content fusion-clearfix\">\n<p>Nothing is impossible. However, a certain number of constraints must be considered before changing the CMV into a thermodynamic double flow CMV, starting with the installation of a second network of ducts, necessary for the blowing in of new air. It is also necessary to foresee the installation of the double flow exchanger, preferably inside the heated volume.<\/p>\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default panel-37935363deb56678f fusion-toggle-has-divider\"><div class=\"panel-heading\"><h4 class=\"panel-title toggle\" id=\"toggle_37935363deb56678f\"><a aria-expanded=\"false\" aria-controls=\"37935363deb56678f\" role=\"button\" data-toggle=\"collapse\" data-parent=\"#accordion-8917-1\" data-target=\"#37935363deb56678f\" href=\"#37935363deb56678f\"><span class=\"fusion-toggle-icon-wrapper\" aria-hidden=\"true\"><i class=\"fa-fusion-box active-icon awb-icon-minus\" aria-hidden=\"true\"><\/i><i class=\"fa-fusion-box inactive-icon awb-icon-plus\" aria-hidden=\"true\"><\/i><\/span><span class=\"fusion-toggle-heading\">Is it possible to maintain a MyDATEC thermodynamic double flow ventilation system?<\/span><\/a><\/h4><\/div><div id=\"37935363deb56678f\" class=\"panel-collapse collapse \" aria-labelledby=\"toggle_37935363deb56678f\"><div class=\"panel-body toggle-content fusion-clearfix\">\n<p>Like everything else! Remember that a CMV collects a lot of the dust in the house. These, charged with moisture and static electricity, are deposited on the filters which must be replaced once or twice a year. You can order filters for thermodynamic double flow ventilation by clicking HERE<\/p>\n<\/div><\/div><\/div><\/div><\/div><div class=\"fusion-text fusion-text-2\" style=\"--awb-text-transform:none;\"><p><em>You have a question and it is not in this FAQ, do <a href=\"https:\/\/www.mydatec.com\/contact\/\">not hesitate to write us an email or to contact us<\/a>, we will bring you an answer quickly.<\/em><\/p>\n<\/div><\/div><\/div><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":6,"featured_media":0,"parent":0,"menu_order":15,"comment_status":"closed","ping_status":"open","template":"100-width.php","meta":{"footnotes":""},"class_list":["post-8917","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>FAQ Frequently asked questions<\/title>\n<meta name=\"description\" content=\"Frequently asked questions (FAQ) MyDATEC on thermodynamic double flow ventilation. 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