Air Conditioning
Air Conditioning
Air Conditioning (pronunciation: /ˈeər kənˈdɪʃ(ə)nɪŋ/) is a process that involves the removal of heat and moisture from the interior of an occupied space, to improve the comfort of occupants. This process is typically used in both domestic and commercial environments.
Etymology
The term "Air Conditioning" comes from the English words "air" and "conditioning". The word "air" comes from the Old English ǣr, which means atmosphere, breeze, weather, or sky. The word "conditioning" comes from the Latin condicionem, which means agreement or contract. In this context, it refers to the process of changing the properties of air to create a more comfortable environment.
Related Terms
- HVAC: Stands for Heating, Ventilation, and Air Conditioning. It is the technology of indoor and vehicular environmental comfort.
- Refrigerant: A substance or mixture, usually a fluid, used in a heat pump and refrigeration cycle. Most of the times it undergoes phase transitions from a liquid to a gas and back again.
- Thermodynamics: The branch of physical science that deals with the relations between heat and other forms of energy.
- Dehumidifier: An electrical appliance which reduces and maintains the level of humidity in the air, usually for health or comfort reasons, or to eliminate musty odor and to prevent the growth of mildew.
- Evaporative Cooler: A device that cools air through the evaporation of water. Evaporative cooling differs from typical air conditioning systems, which use vapor-compression or absorption refrigeration cycles.
- Heat Pump: A device that transfers heat energy from a source of heat to what is called a thermal reservoir.
- Ventilation: The intentional introduction of outdoor air into a space.
- Air Filter: A device composed of fibrous or porous materials which removes solid particulates such as dust, pollen, mold, and bacteria from the air.
External links
- Medical encyclopedia article on Air Conditioning
- Wikipedia's article - Air Conditioning
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