gas furnace
Americannoun
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a furnace using gas as a fuel.
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a furnace for distilling gas from a solid fuel, as coal.
Etymology
Origin of gas furnace
First recorded in 1870–75
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Unlike a gas furnace, which burns fuel to create heat, a heat pump compresses and expands a refrigerant, like a refrigerator in reverse.
From Los Angeles Times ● Mar. 1, 2026
As with many other Americans, I need to replace my old gas furnace and plan to do it with a cleaner, more efficient heat pump.
From Washington Post ● Apr. 30, 2023
Yet a main living area, with scant insulation, still needs an assist from the old natural gas furnace.
From Seattle Times ● Mar. 6, 2023
They're more expensive than a gas furnace up front but can pay off with savings in the long run.
From Salon ● Jan. 11, 2023
Around here, people just install a gas furnace and pump the gas smack out of the ground.
From "In Cold Blood" by Truman Capote
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
