Jul 25

What is negative air pressure in a home? Simply put, it occurs when more air is leaving your home than is coming in. And this can be dangerous for your health, especially where risks exists for carbon monoxide poisoning. When a home is affected by negative air pressure, the main ways it will try to get air back inside is through places that can force carbon monoxide into your home, such as furnace flues and wood stoves. And the signs your home may have it are a musty smell, mold on walls or around windows, the back drafting of furnaces, fireplaces and gas water heaters, and the opening of exterior doors causing drafts inside the home.

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