We have written before that round spiral duct should be your first choice for a rooftop HVAC duct system. The round shape reduces snow accumulation and accelerates rain runoff compared to rectangular ...

Many contractors have encountered duct sealants and duct liner adhesives that can take weeks to cure, duct sealants that are failing pressure tests, white rust and even beads of condensation ...

Chauncey grew up on a farm in rural northern California. At 18 he ran away and saw the world with a backpack and a credit card, discovering that the true value of any point or mile is the experience ...