"HVAC is short form of Heating, Ventilation and Air Conditioning, which purpose is to making the indoor environment habitably comfortable. HVAC systems are mainly available in four different types. 1.Split Heating and Air Conditioning Systems 2.Hybrid Heat Split System 3.Ductless Split Heating & Air Conditioning System 4.Packaged Heating & Air Conditioning System All the above systems come in different size and specifications which suits our home, buildings, offices or business places. "