ARLINGTON, Va. — ACCA has announced the launch of its newest online certificate training program, Qtech: Duct Design Basics. Through Qtech, contractors can offer their employees on-demand training in ...

Last month’s article left off looking at how to verify designs through the field measurement of delivered Btu. In order to accomplish this, you’ll need to understand the basics of the Btu formulas.

Dusting more than usual these days? On top of the other never-ending chore list of sweeping, mopping, laundry, and all else, no one wants to spend more time than they should swiping up unsightly dust.

Cleaning air vents improves air flow, making it easier for warm air to heat the home. Air vents should be cleaned at least once a year, with late spring or early fall being the ideal time. Dirty air ...