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10 Facts About Air Conditioning

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Air conditioning is the process of removing heat from a confined space, thus cooling the air, and removing humidity.

In physics, heat is energy that spontaneously passes between a system and its surroundings in some way other than through work or the transfer of matter.

Cooling is the transfer of thermal energy via thermal radiation, heat conduction or convection.

Humidity is the amount of water vapor present in the air.

How Does a Central Air Conditioner Work? — HVAC Repair Tips by RepairClinic.com

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Air conditioning can be used in both domestic and commercial environments.

Air Conditioners: Coolest Idea Ever by SciShow

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This process is most commonly used to achieve a more comfortable interior environment, typically for humans or animals; however, air conditioning is also used to cool/dehumidify rooms filled with heat-producing electronic devices, such as computer servers, power amplifiers, and even to display and store artwork.

An audio power amplifier is an electronic amplifier that strengthens low-power, inaudible electronic audio signals such as the signal from radio receiver or electric guitar pickup to a level that is strong enough for driving loudspeakers or headphones.

In computing, a server is a computer program or a device that provides functionality for other programs or devices, called "clients".

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Air conditioners often use a fan to distribute the conditioned air to an occupied space such as a building or a car to improve thermal comfort and indoor air quality.

Indoor air quality is a term which refers to the air quality within and around buildings and structures, especially as it relates to the health and comfort of building occupants.

Thermal comfort is the condition of mind that expresses satisfaction with the thermal environment and is assessed by subjective evaluation.

A car is a wheeled, self-powered motor vehicle used for transportation and a product of the automotive industry.

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Electric refrigerant-based AC units range from small units that can cool a small bedroom, which can be carried by a single adult, to massive units installed on the roof of office towers that can cool an entire building.

A refrigerant is a substance or mixture, usually a fluid, used in a heat pump and refrigeration cycle.

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The cooling is typically achieved through a refrigeration cycle, but sometimes evaporation or free cooling is used.

In physics a vapor or vapour is a substance in the gas phase at a temperature lower than its critical temperature, which means that the vapor can be condensed to a liquid by increasing the pressure on it without reducing the temperature.

Free cooling is an economical method of using low external air temperatures to assist in chilling water, which can then be used for industrial processes, or air conditioning systems.

Evaporation is a type of vaporization of a liquid that occurs from the surface of a liquid into a gaseous phase that is not saturated with the evaporating substance.

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Air conditioning systems can also be made based on desiccants and subterraneous pipes that can distribute the heated refrigerant to the ground for cooling.

A desiccant is a hygroscopic substance that induces or sustains a state of dryness in its vicinity; It is the opposite of a humectant.

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In the most general sense, air conditioning can refer to any form of technology that modifies the condition of air.

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In common usage, though, "air conditioning" refers to systems which cool air.

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In construction, a complete system of heating, ventilation, and air conditioning is referred to as heating, ventilation, and air conditioning.

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