noun
- a unit of heat energy equal to 100,000 British thermal units, used especially in measuring natural gas consumption
Usage: technical
Examples
- The gas bill showed we used 15 therms last month.
- Natural gas is typically sold by the therm to residential customers.
- One therm equals approximately 29.3 kilowatt-hours of energy.
- The utility company charges $1.20 per therm for natural gas.
- Our heating system consumed 200 therms during the winter season.