- British thermal unit - Wikipedia
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 of heat into electrical energy in power plants
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BTU's Year-in-Review: 2025 As the calendar turns to 2026, we take a look back on the year that was for BTU
- British thermal units (Btu) - U. S. Energy Information Administration (EIA)
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° Fahrenheit (F) at the temperature that water has its greatest density (approximately 39° F)
- What Is a BTU? - HomeTips
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) can be generated by the appliance from a given amount of fuel
- What Does BTU Stand for and Why Does It Matter? - Trane®
But what does BTU mean? 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
- What is BTU? Understanding British Thermal Units
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
- BTU Calculator
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 calories, 0 293 watt-hours, or the energy released by burning one match 1 watt is approximately 3 412 BTU per hour
- What is a BTU? HVAC Guide to British Thermal Units
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
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