An HVAC unit heats, ventilates, and cools the air while an AC cools your home.
The air conditioner has a refrigerant, a compressor, a condenser coil, an expansion valve, and an evaporator coil.
The refrigerant is used to carry heat from inside your home to the outside. The compressor is used to pressurize the refrigerant to increase its temperature to dispense the heat to the outdoors. The condenser coil receives high-temperature refrigerant and transfers the heat outdoors. The refrigerant depressurizes in the expansion valves, and the process starts again. An HVAC system has a heat exchanger, a blower motor, the combustion chamber, the condenser, an evaporator, and a thermostat. The heat exchanger is used to absorb heat and to warm cool air. A blower motor powers a fan that forces heated air into the ductworks, and the heated air gets to your living room through the air registers. Your fan adds oxygenated air to the combustion chamber to aid in the heating process. A condenser unit cools your home by compressing and condensing the refrigerant and releasing heat outside. An HVAC unit can heat and cool your home, while an AC unit cools the air in your home. If you are a new homeowner and you are not sure whether to get an HVAC or an AC unit, you can discuss it with your HVAC contractor, and he will discuss with you the best options. Whether you choose an AC or an HVAC unit to cool or heat your home, be sure to keep servicing your system for it to function effectively.