Warm Air Coming Through Soffit Vents

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August 21, 2023 at 11:24 a.m.


Elijah in Lousiana asked:

Is it normal for warm air to be coming from soffit vents?

August 21, 2023 at 11:25 a.m.


Here is what our roofing expert, John Kenney of Cotney Consulting Group, had to say in response to your question:

Soffit vents are typically designed to provide intake ventilation for your attic or roof space, allowing fresh air to enter and circulate within the attic. This helps maintain proper air circulation, prevent moisture buildup, and regulate temperatures.
If your soffit vents are acting as exhaust vents, it could be due to a few potential reasons:
  • Blockage or Improper Installation
  • Blocked Exhaust Vents: If your primary exhaust vents (such as ridge vents) are blocked, the air might seek alternative paths, including the soffit vents.
  • Inadequate Ventilation System: If your attic ventilation system is not balanced correctly or designed, it can lead to improper air movement and the reversal of intended air flows.
I recommend that you have a professional contractor come out and check out the source of the issue.
September 17, 2023 at 11:29 p.m.


Feeling warm air coming through your soffit vents can be an indication of a potential issue with your attic ventilation system. Its essential to investigate this concern further to ensure your homes energy efficiency and comfort. Warm air entering through soffit vents could suggest inadequate insulation or improper sealing in the attic. It may also be related to the roof's condition or ventilation design. I recommend consulting with a roofing or insulation professional who can assess the situation identify the root cause and recommend appropriate solutions to maintain your home's thermal comfort and energy efficiency.

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