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.

Air movement plays a crucial role in all aspects of controlling an indoor environment via HVAC. Everything from comfort to IAQ depends on air being moved by the system. Following are three diverse ...

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, ...

Though suspended ceilings (above, right) remain the most popular ceiling system option, facility managers report that 17% of their total building square footage still features an open plenum ...

ST. AUGUSTINE, Fla., Jan. 28, 2025 /PRNewswire/ -- Q-PAC, a leader in innovative commercial HVAC fans, today announced the launch of the Q-PAC Multimotor Plenum Fan (MPF). Engineered to address the ...