Evaporator Coil: Positioned In the indoor unit, the evaporator coil absorbs heat through the indoor air, permitting the refrigerant to evaporate and funky the air. Vents/Registers: Vents and registers are opening in walls, flooring, or ceilings wherever conditioned air enters rooms and where return air is collected. An HVAC technician https://hvac39505.tkzblog.com/32602247/the-basic-principles-of-hvac