by healthy71 » Tue Nov 29, 2011 1:56 pm
Air conditioning is the removal of heat from indoor air for thermal comfort. An air conditioner is an appliance, system, or machine designed to change the air temperature and humidity within an area. air conditioning equipment usually reduces the absolute humidity of the air processed by the system. The comfort air conditioner is designed to create a 40% to 60% relative humidity in the occupied space.