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the claim
A fireplace makes a room colder overall.
the verdict
CONTESTED PARTIAL
Recorded sources
2 sources for · 1 against
Is it true that a fireplace makes a room colder overall?
Partly. One reference work describes fireplaces drawing cold outside air in through cracks, making areas far from the fire and near windows colder, while another says a properly built fireplace heats a room. Anecdotal forum posts say a fireplace warms its own room but can make the rest of the house colder, so the sources only partially address whether a room ends up colder overall.
Verdict: CONTESTED PARTIAL · 2 sources for, 1 against · Last checked
Evidence for · 2
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Chimneys & Fireplaces. (n.d.). gutenberg.org. https://www.gutenberg.org/ebooks/48360
Evidence against · 1
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Fireplaces and Chimneys. (n.d.). gutenberg.org. https://www.gutenberg.org/ebooks/48378
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More for · 1
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Do fireplaces really make the house colder? - Factual Questions - Straight Dope Message Board. (n.d.). boards.straightdope.com. https://boards.straightdope.com/t/do-fireplaces-really-make-the-house-colder/518081
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held for human review17 Oct 2026
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