Hot Tub and Spa
Term Definitions
BTU
The definition of BTU is:
British Thermal Unit. A scale for measuring the capacity of a heating device, such as a gas spa heater. Technically, the quantity of heat required to raise the temperature of one pound of water from 60ƒ to 61ƒF, at a constant pressure of one atmosphere, is one BTU.
Order Your
Customized Spa Cover Now!

|