A ton of refrigeration (TR), or a refrigeration ton (RT) is a unit of power used in refrigeration engineering and air-conditioning. It is assumed to be 3.5 kilowatts or exactly 12000 Btu per hour, 4.7162 horsepower. IT signifies the heat-extraction capacity of refrigeration and air-conditioning equipment. You can convert Tons of Refrigeration to other units here by enter amount of if into green input below. You can also check some basic conversions in Tons of Refrigeration Conversion Table.