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Question: Should I Close My Roof Vents In The Winter To Keep Hot Air Inside?

Answer: Absolutely not. Ventilating attic spaces in winter months is often more important than venting them in summer. Water vapor from the inside of a home can drift up and into an attic space. If this water vapor is not quickly exhausted to the exterior atmosphere, it can often condense upon the cold roof framing members and the underside of the roof sheathing. It can get so bad that water can drip from the underside of the roof and when the temperature gets low enough, frost can actually form up inside the attic. Moisture conditions such as this can lead to wood rot and mold growth.

Answered by: HVAC Express

Categories:  Vents  Roof Vents  Dampers  Mold  

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