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HVAC Converter · Free Tool

BTU / kW / Watts
Converter

Convert between BTU/hr, kilowatts, watts, tons, and horsepower. Essential for comparing equipment specs across different standards.

HVAC Unit Conversions

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.

Key Conversions

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.

Frequently Asked Questions

How many BTU in a ton?
12,000 BTU/hr = 1 ton of refrigeration. A 3-ton AC provides 36,000 BTU/hr of cooling capacity.
How to convert kW to BTU?
Multiply kW by 3,412. For example, 10 kW = 34,120 BTU/hr. This is useful when comparing international equipment specs.

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