"There are different kinds of air conditioners available in the market. But the choice of air conditioner depends on a number of factors and all these factors need to be considered before buying an air conditioner. Some of the factors that needs consideration include, the largeness of the area that is to be cooled, the total heat that is generated in an enclosed area and a lot of other factors. However, an HVAC engineer will consider all these factors before suggesting the type of air conditioner for a household. Let us now have a look at the different types of air conditioner. Window air conditioner is the most commonly used air conditioner. In a window air conditioner all components namely the compressor, the condenser, the expansion valve, the evaporator and cooling coil are enclosed within a single box."