Furnaces

Helpful Video references:

December 8, 2025

Most gas furnaces have several safety limits, main limits, roll-outs, 80%’s will have a DSS (Daft Safety Switch) These safety

June 12, 2025

We have multiple articles about the defrost boards for residential and commercial units on our website and each has addressed

May 14, 2025

High efficiency furnaces, also known as 90% furnaces or condensing furnaces, use two heat exchangers to remove more heat from