M&G DuraVent has received more key approvals for PolyPro venting systems. Bryant 900 series, Carrier 59 series, Day & Night 90+, Heil 90+, all 2012 Payne models and Tempstar 90+ furnaces have all approved the use of PolyPro single-wall concentric and flex with their appliances.
The Building Performance Institute launched its Building Science Principles Certificate of Knowledge and companion Reference Guide, responding to strong demand for a method of verifying basic building science knowledge in the home performance and energy-efficiency retrofit fields.
The SDC is a complete engineered venting system that maintains consistent flue pressure for hot-water appliances within the parameters of the manufacturers’ requirements