Assertion: air conditioner's btu | /r/HasProperty | a measure of heat
Facets:
Source sentences:
text: BTUs are a measure of heat while tonnage is a measure of how much heat an air conditioner can remove in one hour (tonnage isn't the weight of the AC unit).
text: While BTUs are the measurement of heat generated in a room, air conditioner units reverse that to measure the amount of heat removed from a room.