A kilowatt (kW) is a unit of power equal to 1,000 watts. It is widely used to rate electric motors, generators, and HVAC equipment.
Understanding Ton of Refrigeration (TR)
A ton of refrigeration (TR) is a unit of cooling capacity. Historically it represents the heat absorption required to melt one ton (2,000 lb) of ice at 0 °C in 24 h, equivalent to 3.517 kW.
Why Convert Between kW and TR?
Engineers often need to translate electrical power consumption (kW) into cooling capacity (TR) when sizing chillers, heat pumps, or evaluating energy efficiency.
The exact conversion factor is \\ (1\\,\\text{kW}=0.2843453658813996\\,\\text{TR}\\).
Kilowatt to Ton of refrigeration Conversion Reference Table
One kilowatt equals 0.2843453658813996 ton of refrigeration. This comes from the definition that 1 TR = 3.517 kW, so the factor is 1/3.517.
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Determine the cooling load in kW, then multiply by 0.2843453658813996 to obtain the required tonnage. For example, a 15 kW load corresponds to about 4.27 TR, guiding the selection of a chiller rated at 4.5 TR or higher.
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"On fait la science avec des faits, comme on fait une maison avec des pierres ; mais une accumulation de faits n'est pas plus une science qu'un tas de pierres n'est une maison." "Science is built up of facts, as a house is built of stones; but an accumulation of facts is no more a science than a heap of stones is a house." — Henri Poincaré (French Mathematician, Theoretical Physicist & Mining Engineer)