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  1. 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 …

  2. British thermal units (Btu) - U.S. Energy Information Administration

    Oct 29, 2024 · 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° …

  3. Home | Bryan Texas Utilities

    Scammers are calling customers and threatening immediate disconnection unless payment is made. BTU will never threaten immediate disconnection, call customer service at 979.821.5700 if you have …

  4. What Does BTU Stand for and Why Does It Matter? - Trane®

    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.

  5. 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, …

  6. What is BTU? Understanding British Thermal Units

    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.

  7. What Is a BTU? - HomeTips

    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) can be generated by …

  8. British thermal unit (BTU) | Britannica

    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 required to raise …

  9. What Does BTU Stand For? - hvac.com

    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 Fahrenheit. This …

  10. HVAC Terminology You Should Know: BTU - Napoleon

    In an air conditioner, the BTU number refers to the amount of heat removed from the air. Essentially, if you have a larger home, you will require air systems with a higher number of BTUs to heat or cool it …