What does BTU stand for?

BTU stands for British Thermal Unit. It is a well-established unit of measurement used to quantify the amount of heat energy. Specifically, one BTU is defined as the amount of heat required to raise the temperature of one pound of water by one degree Fahrenheit at a constant pressure. This unit is commonly used in heating, cooling, and appliance industries to express energy content or heat output.

Understanding BTUs is crucial when selecting heating appliances, as it helps ensure that the system can provide adequate comfort based on the specific heating needs of a space. A higher BTU rating indicates a more powerful heating unit, which can be essential for efficiently warming larger areas or dealing with extreme cold conditions.