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 ...

DALLAS--(BUSINESS WIRE)--Firespray International has introduced the first no-weld rectangular fire resistant grease duct system for commercial kitchens available in the United States and Canada that ...

Applicable codes and standards provide requirements for exhaust ducts connected to Type I (grease and smoke emitting) exhaust hoods. For many years, legacy and existing duct products have been ...

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 ...