An air conditioner (AC or air-con) is an appliance or mechanism designed to extract heat from an area using a refrigeration cycle.
In construction, a complete system of heating, ventilation and air conditioning is referred to as HVAC.
For more information about the topic Air conditioning, read the full article at Wikipedia.org, or see the following related articles:
Recommend this page on Facebook, Twitter,
and Google +1:
Other bookmarking and sharing tools: