> The recommendations you mention are together features of the Passive House[1] ERV/HRV are actually part of regular building codes in many areas. The province

> The recommendations you mention are together features of the Passive House[1] ERV/HRV are actually part of regular building codes in many areas. The province of Ontario: * https://www.greenbuildingadvisor.com/article/ontario-imposes-tougher-ventilation-requirements https://www.greenbuildingadvisor.com/article/ontario-imposes... * https://airfixture.com/blog/ontario-building-code-ventilation-requirements https://airfixture.com/blog/ontario-building-code-ventilatio... * http://www.mah.gov.on.ca/AssetFactory.aspx?did=15947 http://www.mah.gov.on.ca/AssetFactory.aspx?did=15947 * https://web.archive.org/web/20180626073728/http://www.mah.gov.on.ca/AssetFactory.aspx?did=15947 https://web.archive.org/web/20180626073728/http://www.mah.go...