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Should You Open a Window With a Ventless Fireplace? What It Really Does

September 17, 2026 by Roksana
Ventless gas fireplace burning beside a slightly open window with a carbon monoxide alarm

The advice is everywhere and the reasoning almost never is. Here is what opening a window actually changes, and what it does not change at all.

Categories Care & Troubleshooting, Use Tags carbon monoxide, efficiency, room air, vent-free gas, ventilation Leave a comment

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