That didn't meet our local codes, so we contacted a heating equipment supply house ... Repeat the cutting, tabbing and taping procedure for each round duct.

Pinwheels are pretty optimized from a design standpoint, and are so cheap and easy to build that putting a pinwheel to work as an HVAC duct flow meter seems like a great idea. Great in theory ...

has unveiled the fourth edition of its comprehensive HVAC Duct Systems Inspection Guide, marking a significant update to one of the industry's most crucial reference materials. Released on January 28, ...