About 623,000 results
Open links in new tab
  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. Home | Bryan Texas Utilities

    BTU Earns National Recognition for Updated Website BTU's website update won the Award of Excellence in Web & Social Media for like-sized utilities.

  3. 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&deg …

  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 BTU in Air Conditioning? Quick Guide to BTU For 2026

    May 28, 2025 · What Is BTU in Air Conditioning? Understand BTU/h and tons, quick room-sizing rules, and how to pick the right capacity. Read our guide to size your AC right.

  8. 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 …

  9. Heater BTU Calculator

    Dec 8, 2025 · Easy Heater BTU Calculator with formulas, examples, and simple explanation. Calculate the correct heater size in BTU/hr and Watts based on your room size and temperature difference. …

  10. 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 …