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Old 02-07-17, 08:46 AM   #6
jeff5may
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I use the condensing units from refrigerators for small room heaters. They consume between 150 and 400 Watts while running (depending on size) and move about twice that much heat. Most fullsize American models have about a 1/4 to 1/3 HP compressor in them, and the larger units max out at around 4 thousand BTU with higher evaporator pressures. As the evaporator temp and pressure falls, heat output suffers.

For something free, they put out more heat per watt than an infrared space heater.
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