Venting a High-Efficiency Furnace Through an Exterior Wall
High-efficiency furnaces (90% AFUE and above) are common in U.S. homes and typically use direct-venting with PVC or CPVC through an exterior wall. Proper wall venting ensures safe combustion air intake, effective exhaust of combustion gases and condensate management, and compliance with local codes. This article covers materials, clearances, installation best practices, condensate handling, troubleshooting, … Read more