![]() Heat pumps are similar in many ways to air conditioners, but use a reversing valve to allow them both to heat and to cool an enclosed space.Īir conditioners, which typically use vapor-compression refrigeration, range in size from small units used within vehicles or single rooms to massive units that can cool large buildings. Air conditioning is a member of a family of systems and techniques that provide heating, ventilation, and air conditioning (HVAC). Air conditioning can be achieved using a mechanical 'air conditioner' or alternatively a variety of other methods, including passive cooling and ventilative cooling. Window-mounted air conditioner for single-room use ( Suriname, 1955) Ceiling-mounted cassette air conditioner and a wall-mounted air conditioner in the background ( Italy, 2017)Īir conditioning, often abbreviated as A/C (US) or air con (UK), is the process of removing heat from an enclosed space to achieve a more comfortable interior environment (sometimes referred to as 'comfort cooling') and in some cases also strictly controlling the humidity of internal air. JSTOR ( November 2023) ( Learn how and when to remove this template message).Unsourced material may be challenged and removed. ![]() Please help improve this article by adding citations to reliable sources. This article needs additional citations for verification.
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