{"id":4540,"date":"2025-05-16T08:42:57","date_gmt":"2025-05-16T08:42:57","guid":{"rendered":"https:\/\/wascovilla.pl\/?post_type=encyklopedia&#038;p=4540"},"modified":"2025-05-16T08:42:59","modified_gmt":"2025-05-16T08:42:59","slug":"blower-door-test","status":"publish","type":"encyklopedia","link":"https:\/\/wascovilla.pl\/en\/encyclopedia\/blower-door-test\/","title":{"rendered":"Blower door test"},"content":{"rendered":"<p><strong>Blower door test<\/strong> is an air leakage test of a building. It involves the controlled injection or extraction of air from a building to create positive or negative pressure. In this way, it is possible to detect <strong>leaks in the building envelope<\/strong>. <\/p>\n\n\n\n<p>During the test, it is measured how much air passes through leaks in the building envelope - walls, roof, windows or construction joints. The result of the test is expressed by the coefficient n\u2085\u2080, which indicates the number of air changes per hour with a pressure difference of 50 Pa.<\/p>\n\n\n\n<p>This test is particularly important in timber-framed and energy-efficient houses, where airtightness is very important for the <strong>reducing heat loss<\/strong> and ensure proper operation of mechanical ventilation with heat recovery - <a href=\"https:\/\/wascovilla.pl\/en\/encyclopedia\/recuperation\/\">recuperation<\/a>. Blower door testing is also required in some subsidy programmes and passive and low-energy building standards.<\/p>","protected":false},"featured_media":4541,"template":"","meta":{"_acf_changed":true},"class_list":["post-4540","encyklopedia","type-encyklopedia","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Blower door test - WascoVilla | Producent dom\u00f3w z drewna | Domy mieszkalne, nowoczesne, modu\u0142owe, domki letniskowe, wi\u0105zary dachowe, izolacje<\/title>\n<meta name=\"description\" content=\"Chcesz ograniczy\u0107 straty ciep\u0142a w swoim domu? 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