The Btu should not be confused with the Board of Trade Unit (BTU), an obsolete UK synonym for kilowatt hour (1 kW⋅h or 3,412 Btu). The Btu is often used to express the conversion-efficiency …

BTU stands for British Thermal Unit, a unit of measurement that shows just how much energy your heating or cooling unit uses to remove heat from your home within an hour.

British thermal unit (Btu) is a measure of the heat content of fuels or energy sources. One Btu is the quantity of heat required to raise the temperature of one pound of liquid water by 1&deg …

What is a BTU? The British Thermal Unit, or BTU, is an energy unit. It is approximately the energy needed to heat one pound of water by 1 degree Fahrenheit. 1 BTU = 1,055 joules, 252 …

Jun 18, 2025 · BTU's are a commonly used specification on heating and cooling systems. But what is BTU? We explain it in simple terms and provide calculators, conversion charts and more.

British thermal unit (BTU), a measure of the quantity of heat, defined since 1956 as approximately equal to 1,055 joules, or 252 gram calories. It was defined formerly as the amount of heat …

May 3, 2025 · BTU, short for British Thermal Unit, is a standardized, basic measurement of energy for all heating and cooling appliances. It is a measure of how much heat (or cooling) …

Feb 7, 2025 · BTU stands for British Thermal Unit. It is a unit of measurement that quantifies the amount of heat required to raise the temperature of one pound of water by one degree …

Wondering 'What is a BTU'? This HVAC guide explains British Thermal Units, why they're crucial for your heating & cooling system, sizing, and energy efficiency.

Jun 24, 2025 · BTU stands for British Thermal Unit—a unit of energy measurement. Specifically, one BTU is the amount of heat required to raise the temperature of one pound of water by one …