what does btu stand for in diesel
What does BTU Mean For Your Furnace/AC? What does BTU Mean For Your Furnace/AC? If you are currently searching for a new heating or cooling unit, you may have seen the abbreviation BTU. Getting a unit with the appropriate BTU for your home is important because it is measurement of a HVAC systemâs capacity and is used to calculate the amount of energy a unit can deliver. What is a BTU? BTU is an acronym for British Thermal Unit.