An introduction to air conditioning system for homes written by samaneh on august 3 2020 posted in appliance installation air conditioning system we live in a country with various weather conditions in each part of it because usa is the 3rd biggest country in the world. 1 introduction this is an introduction to air conditioning systems frequently referred to as hvac systems heating ventilating and air conditioning systems it is intended for those engineers architects and construction professionals who are only peripherally involved. Home air conditioning systems come in several designs ranging from massive central systems operated by an outdoor compressor to small portable room units that operate as freestanding floor units or window mounted appliances no matter what form they take air conditioning systems all have some basic design engineering in common all systems include refrigerant a compressor condenser