Dry indoor air affects comfort, health, and homes during heating season. Knowing how whole-house humidifiers work helps contractors match homeowners with the right solution.

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. 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 ...

UniColorado Heating & Cooling recently announced the launch of Plenum Pro, a unified business platform designed for HVAC, plumbing, and electrical ...