: an enclosed structure in which heat is produced (as for heating a house or for reducing ore)
Examples of furnace in a Sentence
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As for climate benefits, upgrading to a heat pump from a gas furnace can reduce climate emissions by 33% in one year and 62% over 15 years.
—
Brian Jenkins, Baltimore Sun, 9 Mar. 2025
The Stanford team used its lab furnace to heat a mixture of calcium oxide – derived from commonly available limestone that's used to make cement – with another mineral containing magnesium and silicate ions.
—New Atlas, 2 Mar. 2025
In colder climates, 95% efficient gas furnaces fare better than ENERGY STAR® heat pumps.
—Ashlyn Needham, Southern Living, 19 Feb. 2025
The Groton Emergency Dispatch Center received a 911 call around 1:43 a.m. from resident of a townhouse on Driftwood Circle reporting a fire in the furnace and flue exhaust area of the residence, according to Capt. Gregory J. McCarthy of the Groton Police Department.
—Staff Report, Hartford Courant, 11 Feb. 2025
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Brian Jenkins, Baltimore Sun, 9 Mar. 2025
The Stanford team used its lab furnace to heat a mixture of calcium oxide – derived from commonly available limestone that's used to make cement – with another mineral containing magnesium and silicate ions.
—New Atlas, 2 Mar. 2025
In colder climates, 95% efficient gas furnaces fare better than ENERGY STAR® heat pumps.
—Ashlyn Needham, Southern Living, 19 Feb. 2025
The Groton Emergency Dispatch Center received a 911 call around 1:43 a.m. from resident of a townhouse on Driftwood Circle reporting a fire in the furnace and flue exhaust area of the residence, according to Capt. Gregory J. McCarthy of the Groton Police Department.
—Staff Report, Hartford Courant, 11 Feb. 2025
See All Example Sentences for furnace
Cite this Entry
“Furnace.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/furnace. Accessed 23 Mar. 2025.
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furnace
noun
fur·nace
ˈfər-nəs 
: an enclosed structure in which heat is produced (as for heating a house or melting metals)
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