HVAC uses of flexible air duct have grown exponentially over the last two decades, all over North America. Contractors and installers say they like it, and some find it indispensable. It has changed ...

NO-LEAK POLICY: Here, a technician performs a leakage test. While some leakage was once commonly chalked up to heating the basement a little bit, those days are gone. “Now,” says Hank Artlip, “if you ...

The homesteaders at Mason Dixon Acres explain how DIY duct installation can help avoid expensive long-term HVAC repair issues.

The requirements for installing wiring in ducts not used for air handling are listed in Sec. 300.22 of the 2011 NEC. As noted in 300.22(A), "No wiring systems of any ...

The system is for use in commercial construction and is expected to be widely used by mechanical HVAC contractors, insulation, m Morgan Thermal Ceramics worked closely with UL (Underwriter’s ...

Q. Do you have a bathroom fan that you like? I've got a late '50s ranch. Two full baths back up to one another — both 8x8. We have not yet remodeled yet, but plan to this year. I hoped to get the old ...