Air conditioning systems come in all manner of types. Deciding which one to purchase can be a hard nut to crack. All air conditioners have similar working components including a compressor, a refrigerant, an expansion valve, condenser coils and evaporator coils. However, they differ based on the basic principles by which they operate. When choosing an air conditioning system, various factors should be considered. For instance: the size of the area you want to be cooled, the cost, and the