{"id":7168,"date":"2021-11-18T19:54:40","date_gmt":"2021-11-18T18:54:40","guid":{"rendered":"https:\/\/tzwl.de\/we-test-your-ventilation-units-in-accordance-with-standards-on-our-modern-test-benches\/"},"modified":"2025-03-04T19:10:19","modified_gmt":"2025-03-04T18:10:19","slug":"we-test-your-ventilation-units-in-accordance-with-standards-on-our-modern-test-benches","status":"publish","type":"page","link":"https:\/\/tzwl.de\/en\/we-test-your-ventilation-units-in-accordance-with-standards-on-our-modern-test-benches\/","title":{"rendered":"We test your ventilation units in accordance with standards on our modern test benches"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"7168\" class=\"elementor elementor-7168 elementor-4388\" data-elementor-post-type=\"page\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-60ccef7b elementor-section-full_width elementor-section-height-min-height elementor-section-items-bottom elementor-section-height-default\" data-id=\"60ccef7b\" data-element_type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-51995b9\" data-id=\"51995b9\" data-element_type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-0b21f23 elementor-widget elementor-widget-heading\" data-id=\"0b21f23\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">The TZWL test center<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-9e4373e elementor-section-content-middle elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"9e4373e\" data-element_type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-wider\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-835099b\" data-id=\"835099b\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-e277a99 elementor-widget elementor-widget-text-editor\" data-id=\"e277a99\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>At the Schwerte site (formerly Dortmund), we are one of three test centres recognized by the German Institute for Building Technology (DIBt) to test new domestic ventilation units on the ventilation technology, thermodynamics and tightness test benches. The test results form the basis for applying for a type approval from the German Institute for Building Technology (DIBt) in Berlin, a certificate from the Passive House Institute (PHI), Darmstadt, or serve to meet the requirements of European directives. <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-d0005ca elementor-section-content-middle elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"d0005ca\" data-element_type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-wider\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-082180b\" data-id=\"082180b\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-3101322 elementor-widget elementor-widget-heading\" data-id=\"3101322\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">European test center for domestic ventilation units<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b78963e elementor-widget elementor-widget-spacer\" data-id=\"b78963e\" data-element_type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5715d41 elementor-widget elementor-widget-text-editor\" data-id=\"5715d41\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>We are a nationally and internationally recognized, accredited testing laboratory for ventilation units with and without heat recovery and moisture recovery. At our location in Schwerte, we test ventilation units as well as heat pumps, also combined with ventilation as a combination unit, air conditioning and split units, comparable systems and devices as well as components of ventilation units such as fans or heat exchangers. <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-5dc1a3e\" data-id=\"5dc1a3e\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-3ac91d0 elementor-widget elementor-widget-counter\" data-id=\"3ac91d0\" data-element_type=\"widget\" data-widget_type=\"counter.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-counter\">\n\t\t\t<div class=\"elementor-counter-title\">Completed device tests<\/div>\t\t\t<div class=\"elementor-counter-number-wrapper\">\n\t\t\t\t<span class=\"elementor-counter-number-prefix\"><\/span>\n\t\t\t\t<span class=\"elementor-counter-number\" data-duration=\"2000\" data-to-value=\"381\" data-from-value=\"0\" data-delimiter=\",\">0<\/span>\n\t\t\t\t<span class=\"elementor-counter-number-suffix\"><\/span>\n\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-7edce16 elementor-section-content-middle elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"7edce16\" data-element_type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-wider\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-24f5440\" data-id=\"24f5440\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-fe0bb67 elementor-view-default elementor-widget elementor-widget-icon\" data-id=\"fe0bb67\" data-element_type=\"widget\" data-widget_type=\"icon.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-icon-wrapper\">\n\t\t\t<div class=\"elementor-icon\">\n\t\t\t<i aria-hidden=\"true\" class=\"fas fa-hands-helping\"><\/i>\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-e115c64\" data-id=\"e115c64\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-f3a5cad elementor-widget elementor-widget-heading\" data-id=\"f3a5cad\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Our range of tests and services<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f1c75e9 elementor-widget elementor-widget-spacer\" data-id=\"f1c75e9\" data-element_type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-88dacd7 elementor-widget elementor-widget-text-editor\" data-id=\"88dacd7\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"sppb-addon-content\"><ul><li>Development tests according to your wishes and specifications<\/li><li>Preparatory consultations on device developments or approval procedures<\/li><li>Measurements for authorities, offices and institutions<\/li><li>Participation in and organization of round robin tests<\/li><li>Tests for type approvals at the German Institute for Building Technology (DIBt), Berlin<\/li><li>Tests for certification by the Passive House Institute (PHI), Darmstadt<\/li><li>Tests in accordance with the EU requirements pursuant to Regulations (EU) No. 1253\/2014 and No. 1254\/2014 for energy labels<\/li><li>Tests according to international standards<\/li><li>Checks to register your devices in the funding databases of other European countries (e.g. Austria, Switzerland, Netherlands, Belgium)<\/li><li><p>Testing of components such as fans or heat exchangers<\/p><\/li><\/ul><p>It goes without saying that we observe your wishes and the national, European and international requirements for all our own tests and tests via our cooperation offer.<\/p><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-962098c elementor-widget elementor-widget-spacer\" data-id=\"962098c\" data-element_type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3a723fe elementor-mobile-align-center elementor-widget elementor-widget-button\" data-id=\"3a723fe\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-md\" href=\"mailto:j.koentopp@tzwl.de?subject=Pr\u00fcfung%20von%20Residential%20ventilation%20units\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Request a non-binding test<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-03b98f1 elementor-section-content-middle elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"03b98f1\" data-element_type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-wider\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-1a7498b\" data-id=\"1a7498b\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-f29bdac elementor-widget elementor-widget-heading\" data-id=\"f29bdac\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">The test center at the Schwerte site<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-769f8fa elementor-section-content-middle elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"769f8fa\" data-element_type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-wider\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-7b991d3\" data-id=\"7b991d3\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-2a4f48d elementor-widget elementor-widget-heading\" data-id=\"2a4f48d\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">We examine all relevant key figures for domestic ventilation on our test benches<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8bfd634 elementor-widget elementor-widget-spacer\" data-id=\"8bfd634\" data-element_type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d0a9331 elementor-widget elementor-widget-text-editor\" data-id=\"d0a9331\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li><p>Test bench for determining the appliance tightness using the pressure method. The determination includes testing the tightness of the appliance housing, the internal appliance tightness and the flap tightness <\/p><\/li><li><p>Test stand for determining appliance leak tightness using the tracer gas method. Using tracer gas, we determine the appliance tightness for selected appliance systems using this measurement method <\/p><\/li><li><p>Ventilation technology test bench for determining the efficiency of the fans. The energy consumption of the fans and the volume flows of the devices are determined on this test stand. <\/p><\/li><li><p>Thermodynamic test stand for decentralized ventilation units. We use this test stand to measure the energy efficiency of devices with operating ranges of max. 100 m\u00b3\/h, primarily decentralized devices.  <\/p><\/li><li><p>Thermodynamic test stand for central ventilation units. We use this test stand to measure the energy efficiency of appliances with operating ranges of approx. 50 to 600 m\u00b3\/h, primarily central appliances. <\/p><\/li><li><p>Flushing chamber test bench for changeover devices. With this test stand, we meet the requirements of the DIBt for testing changeover units. The volume flows of the appliances and their energy efficiency are determined here.  <\/p><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-cc93bf6\" data-id=\"cc93bf6\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-d8a27d3 elementor-widget elementor-widget-heading\" data-id=\"d8a27d3\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">We test according to German and international guidelines<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1d0e958 elementor-widget elementor-widget-spacer\" data-id=\"1d0e958\" data-element_type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e18d3b5 elementor-widget elementor-widget-text-editor\" data-id=\"e18d3b5\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tStandards and regulations according to which we carry out accredited or officially recognized measurements:\n<ul>\n \t<li>German Institute for Building Technology (DIBt), Berlin<\/li>\n \t<li>DIN EN 13141-4<\/li>\n \t<li>DIN EN 13141-6<\/li>\n \t<li>DIN EN 13141-7<\/li>\n \t<li>DIN EN 13141-8<\/li>\n \t<li>DIN EN 13141-11<\/li>\n \t<li>DIN 18017-3<\/li>\n \t<li>EN 13141-7 STANDARD<\/li>\n \t<li>EN 13141-8 STANDARD<\/li>\n \t<li>NEN-EN 13141-7<\/li>\n \t<li>NEN-EN 13141-8<\/li>\n \t<li>EN 308<\/li>\n \t<li>Regulation (EU) No. 1253<\/li>\n \t<li>Regulation (EU) No. 1254<\/li>\n \t<li>Passive house component testing on ventilation units &lt;600 m\u00b3\/h<\/li>\n \t<li>Passive house component testing on single-room ventilation units<\/li>\n \t<li>We carry out sound measurements as part of a cooperation<\/li>\n<\/ul>\nWe can also carry out other measurements, e.g. on components or on air conditioning units and heat pumps.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-c07e690 elementor-section-content-middle elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"c07e690\" data-element_type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-wider\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-901b03e\" data-id=\"901b03e\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-5e82395 elementor-widget elementor-widget-heading\" data-id=\"5e82395\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">A few technical facts about our facilities<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1852dd0 elementor-widget elementor-widget-spacer\" data-id=\"1852dd0\" data-element_type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-77d5f46 elementor-widget elementor-widget-text-editor\" data-id=\"77d5f46\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li>Volume flows from approx. 5 to 600 m\u00b3\/h<\/li><li>Temperatures from -20 to +30 \u00b0C<\/li><li>Relative humidity from 10 to 80<\/li><li>Electrical power consumption up to 7,200 W<\/li><\/ul><p>In addition, as part of a cooperation with DMT GmbH &amp; Co KG, a subsidiary of T\u00dcV Nord, we also offer testing of ventilation units with large operating ranges between 600 and 100,000 m\u00b3\/h.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-cf5b92a elementor-section-content-middle elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"cf5b92a\" data-element_type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-wider\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-d21ac22\" data-id=\"d21ac22\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-5689621 elementor-widget elementor-widget-heading\" data-id=\"5689621\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">We provide support with device development and test planning<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-a41fa30\" data-id=\"a41fa30\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-53cd0d4 elementor-widget elementor-widget-text-editor\" data-id=\"53cd0d4\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Our range of services also includes technical advice and contributing our experience to your device development.<\/p><p>In addition to the testing requirements in Germany and the German market, we are also familiar with the testing requirements and markets of the EU and our European neighbors and can provide you with recommendations in this regard.<\/p><p>Ask us about our consulting services. You save yourself a lot of research work and have the opportunity to use our know-how, for example, to plan all the necessary technical requirements during device development. <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7df51bd elementor-widget elementor-widget-spacer\" data-id=\"7df51bd\" data-element_type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-237833f elementor-mobile-align-center elementor-widget elementor-widget-button\" data-id=\"237833f\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-md\" href=\"https:\/\/tzwl.de\/en\/we-test-your-ventilation-units-in-accordance-with-standards-on-our-modern-test-benches\/consulting\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">To consulting<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>The TZWL test center At the Schwerte site (formerly Dortmund), we are one of three test centres recognized by the German Institute for Building Technology (DIBt) to test new domestic ventilation units on the ventilation technology, thermodynamics and tightness test benches. The test results form the basis for applying for a type approval from the&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":2,"comment_status":"closed","ping_status":"closed","template":"elementor_header_footer","meta":{"inline_featured_image":false,"footnotes":""},"class_list":["post-7168","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/tzwl.de\/en\/wp-json\/wp\/v2\/pages\/7168","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tzwl.de\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/tzwl.de\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/tzwl.de\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/tzwl.de\/en\/wp-json\/wp\/v2\/comments?post=7168"}],"version-history":[{"count":2,"href":"https:\/\/tzwl.de\/en\/wp-json\/wp\/v2\/pages\/7168\/revisions"}],"predecessor-version":[{"id":7170,"href":"https:\/\/tzwl.de\/en\/wp-json\/wp\/v2\/pages\/7168\/revisions\/7170"}],"wp:attachment":[{"href":"https:\/\/tzwl.de\/en\/wp-json\/wp\/v2\/media?parent=7168"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}