Q. This is written concerning a furnace that was installed in 1984, before the high efficiency furnaces were available. Several times during a 24-hour period, the furnace will go through five or more ...

A time may come when the majority of U.S. homeowners use heat pumps to heat and cool their homes, but we’re not there yet. According to Elements, in 2020 more than half of U.S. homes had forced-air ...

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, ...

Q: Since I retired, I've noticed our gas forced air furnace takes 4-5 hours to return the house temperature 5 degrees from setback. There are 8 perimeter heat outlets (ranch home) plus 3 in the ...

The National Air Duct Cleaners Association (NADCA); also known as the HVAC Inspection, Cleaning, and Restoration Association; today announces the publication of a white paper on methods of inspecting ...

Derived from the Latin word fornax, meaning oven, a furnace is a large heating appliance designed to evenly distribute heat throughout a building. Furnaces accomplish this by burning fuel internally ...