How to Use furnace in a Sentence

furnace

noun
  • Next minute, just this furnace comes up.
    — Kara Nesvig, Parents, 18 Sep. 2025
  • Keep your plant away from heat sources such as furnace vents and wood stoves.
    — Kym Pokorny, OregonLive.com, 2 Nov. 2017
  • Andrus flipped open a door on the furnace.
    — Alex Kuffner, The Providence Journal, 3 Mar. 2026
  • What are the risks of using a space heater or gas furnace?
    — Alexis Simmerman, Austin American Statesman, 23 Jan. 2026
  • Keep a 3-foot clear zone all round space heaters, fire places and furnaces.
    — Michelle Hunter, NOLA.com, 2 Jan. 2018
  • Here’s what to watch for in your furnace as winter sets in.
    — Angie Hicks, Boston Herald, 6 Dec. 2025
  • Also check furnace ducts for leaks.
    — Karl Schneider, IndyStar, 21 Jan. 2026
  • But working with Ro, that furnace just lit up.
    — David Fear, Rolling Stone, 10 Sep. 2025
  • Turn off the furnace and water heater and turn on exhaust fans.
    — The Good Housekeeping Institute, Good Housekeeping, 20 Nov. 2018
  • The less time the furnace is on, the lower your heating bill will be.
    — Kaylee Staral, Milwaukee Journal Sentinel, 14 Oct. 2021
  • The victim threw the weapon under the furnace, but the man picked it up.
    — Bob Sandrick, cleveland, 9 June 2022
  • Siemens built a new glass furnace with a small network of firebrick tubes.
    — Jonathan Schifman, Popular Mechanics, 9 July 2018
  • In summer, your furnace isn't likely to run at all.
    — Brandee Gruener, Southern Living, 24 Apr. 2026
  • An hour later, the blast-furnace sun boils all color from the world.
    — Paul Salopek, National Geographic, 4 Nov. 2020
  • Out of the furnace comes liquid copper, alight with green fire.
    — Jennifer McDermott, The Christian Science Monitor, 10 June 2024
  • It is stored in a jar of salt in the warmth of the furnace room for preservation.
    — Meagan Flynn, Anchorage Daily News, 14 June 2019
  • The last two steps are to check your outdoor hoses and have your furnace serviced.
    — Sophia Beams, Better Homes & Gardens, 5 Feb. 2026
  • The time to learn that your furnace needs repair is not during the first cold snap.
    — Regina Cole, Forbes, 27 Dec. 2022
  • There is its furnace; there are the ducts that carried hot air under the floors.
    — Bruce Dale, National Geographic, 17 Apr. 2019
  • The house was built in the late 1800s and still had a coal furnace.
    — WSJ, 26 Sep. 2017
  • The needles emerge from the furnace and crumble.
    — Alan Gionet, CBS News, 9 Apr. 2026
  • Is a heat pump cheaper to run than AC + furnace?
    — Alora Bopray, USA Today, 12 June 2026
  • That can be changing out furnace filters.
    — Adam Del Rosso, CBS News, 29 Apr. 2026
  • This pair is safe to use for the oven, grill, fireplace, furnace, and stove, among others.
    — Chris Hachey, BGR, 25 May 2021
  • Florio said that the key is to keep gas flowing into the furnace.
    — John Shumway, CBS News, 27 Jan. 2026
  • When's the cheapest time of year to buy a new furnace or AC?
    — Angelica Leicht, CBS News, 28 May 2026
  • Its light is rather that of a glowing molten metal than that of a burning furnace.
    — Robert Lea, Space.com, 3 July 2026
  • The furnace is set to crank up even more in Alabama over the next few days.
    — Leigh Morgan, al, 27 June 2023
  • Oil smells can indicate that the filter on the furnace is clogged.
    — Timothy Dale, Better Homes & Gardens, 10 Jan. 2025
  • Inside, a fire in the wood-burning furnace has taken the chill out of the room.
    — Timothy Ivy, Smithsonian Magazine, 19 Aug. 2021

Some of these examples are programmatically compiled from various online sources to illustrate current usage of the word 'furnace.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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