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, ...

You probably wonder how you can know if a duct system is losing large amounts of energy. Although it is often difficult to be sure without testing, some telltale signs should help you convince your ...

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, ...

Rooms that feel stuffy, stale, or hard to cool often lead you to blame the thermostat, the age of the equipment, or even the weather. In a surprising number of homes, though, the real culprit is a ...

One of the most cost-effective and energy-conserving measures you can take is to insulate duct or pipe runs in the unheated areas of your home. By not insulating these conduits, you are essentially ...

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 ...