Have you ever been scared to add outside air to a residential system’s return air duct for ventilation purposes? If you’re like me, I worried the outside air would affect the return temperature too ...

This is the first in a series of articles intended to provide a working knowledge of residential heating-cooling duct systems; an understanding of the major issues concerning efficiency, comfort, ...

When the combustion air duct is connected directly to the return plenum for a furnace, the blower fan on the furnace pulls outdoor air in to the return plenum. To supply this air to the furnace room, ...

Maintaining clean air ducts in your home seems like something you should do. But although air ducts do get dirty, air-quality experts consistently agree that ductwork cleanings provide no measurable ...

An HVAC pro shares the most common reasons behind loud ducts.

Q: We had a handyman doing some work around our house last week, and he told us that he thought many of our problems with uncomfortable rooms and high energy bills were the result of duct leaks. He ...

Ducts are made of segments of sheet metal, or combinations of sheet metal, duct board and flex duct. Between the sections and at the elbows there are joints which are simply bent, crimped, or screwed ...

Action Air Duct, a Denver-based air duct cleaning company, announces the importance of addressing fall allergen accumulation in residential HVAC systems before the winter heating season begins. The ...