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12,000.00 Btu IT /h 2,593.90 ft⋅lbf/s A ton of refrigeration ( TR or TOR ), also called a refrigeration ton ( RT ), is a unit of power used in some countries (especially in North America) to describe the heat-extraction capacity of refrigeration and air conditioning equipment.
Air-conditioner sizes are often given as "tons" of cooling, where 1 ton of cooling equals 12,000 BTU/h (3.5 kW). 1 ton of cooling equals the amount of power that needs to be applied continuously over a 24-hour period to melt 1 ton of ice. The annual cost of electric energy consumed by an air conditioner may be calculated as follows:
Air conditioning, often abbreviated as A/C (US) or air con ... of ice melting in a 24-hour period. The value is equal to 12,000 BTU IT per hour, or 3,517 watts. [60]
A ton of air-conditioning is defined as the removal of 12,000 British thermal units per hour (3.5 kW). The equivalent ton on the cooling tower side actually rejects about 15,000 British thermal units per hour (4.4 kW) due to the additional waste-heat–equivalent of the energy needed to drive the chiller's compressor.
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The reindeer has a network of small veins to circulate heated blood around their nose to keep the air they intake warm. In freezing weather, these blood vessels supply and regulate the body’s ...
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