Convert between BTU/hr, kilowatts, watts, tons, and horsepower. Essential for comparing equipment specs across different standards.
HVAC equipment is rated in different units depending on the manufacturer and country. US systems use BTU/hr and tons, while international systems use kilowatts. This converter handles all common HVAC energy units.
1 ton of refrigeration = 12,000 BTU/hr = 3.517 kW. This comes from the energy needed to melt one ton of ice in 24 hours. A 3-ton AC system provides 36,000 BTU/hr of cooling, equivalent to 10.55 kW.
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