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therm
(redirected from therms)

    Also found in: Dictionary/thesaurus, Encyclopedia, Wikipedia 0.01 sec.
therm (therm) a unit of heat. The word has been used as equivalent to (a) large calorie; (b) small calorie; (c) 1000 large calories; (d) 100,000 British thermal units.
therm
the amount of heat input required to raise the temperature of 1000 kg of water by 1°C. One therm = 1000 kilocalories = 1 megacalorie (Mcal) = 106 megajoule.
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Since a geothermal heat pump runs on electricity measured in kilowatt hours (kWh), and a condensing boiler is fueled by natural gas measured in therms, it's necessary to convert kWh of electricity into "therms" to make an accurate comparison.
Condensing Boiler Vs Geothermal Heat Pump - Cheap Heat Surprise by Sam Streubel / Environmental issues community
National Grid said the average Boston Gas customer, which includes all of its customers in Central Massachusetts, using 42 therms of natural gas, would pay approximately $100 a month for the six-month period beginning May 1.
Natural gas bills may rise by 28%; National Grid files request by Telegram & Gazette (Worcester, MA)
If the proposed price cut is approved, the average NSTAR Gas heating customer, using 144 therms of gas per month between November and April, will pay approximately $177 per month, down from $237 last November.
NSTAR Delivers Winter Price Cut for Natural Gas Customers by Business Wire
 
 
 
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