HVAC Terms & Definitions   Air conditioning:    A system that cools and dehumidifies the air inside a building or vehicle, providing comfort in hot weather. Air conditioning systems typically consist of an indoor unit (evaporator coil), an outdoor unit (compressor and condenser coil), and a means of circulating the cool air (ductwork or air handler).   Ductwork:    A system of pipes or ducts that distribute heated or cooled air throughout a building. Ductwork can be made of various materials, including metal, fiberglass, and flexible ducting, and is typically located in the attic, crawlspace, or basement of a building.   Refrigerant:    A substance used in air conditioning systems… Read More »HVAC Terms & Definitions