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 …
British thermal units (Btu) - U.S. Energy Information Administration …
Dec 8, 2025 · 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° …
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BTU Earns National Recognition for Updated Website BTU's website update won the Award of Excellence in Web & Social Media for like-sized utilities.
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.
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.
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 …
What is BTU and How Many Do I Need? • Ingrams Water & Air
A BTU is a unit of measurement of the amount of heat of energy sources, such as fuels. A BTU represents the amount of heat that is needed to raise the temperature of a pound of liquid water by 1 …
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 …
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 …
Understanding BTU's: How Many You Need to Cool Your Home
Confused about BTU's? Learn how to calculate the correct BTU rating for your air conditioner to efficiently cool your home and save money on energy bills.