The Truth about Electric Attic Exhaust Fans

Attic Exhaust fans are based on two FALSE assumptions

1. Attic's are too hot and they are causing the downstairs to be hot. By using the attic fan, it will cool it enough to cool off the downstairs. FALSE

2. The shingles on my roof are too hot and they won't last as long if they get hot. FALSE

The Problems with Attic Ventilation Fans

While attic fans can be beneficial in some cases, it’s important to consider the potential negative impacts and weigh them against the expected benefits before having one installed in your home. It is crucial to consult with a professional and have a thorough assessment of your home done before making an informed decision. In this article, we will look into the potential problems that come with having an attic fan.

1. They pull conditioned air from wherever they can get it! This means that they can pull conditioned air from your home into your attic causing the main area of your home to be warmer.

2. Another drawback to installing an attic fan is that it will cause moist air from an uninsulated crawl space into the home. Moist air can lead to mold which can mean that you are putting you and your family's health at risk.

3. Finally, it won’t save you money in the long run. Sucking the air-conditioned air out of your house causes your air conditioner to work harder to maintain a steady temperature. This will only cause your bills to increase.

We would advise you to disconnect all attic fans and have them air-sealed. Then we would recommend insulating your attic to R60. At Klaus Roofing, we can take care of all of this with the help of our sister company, Green Factor Insulation.

Conclusion: Attic fans do more harm to your home than good. Protect your home better by having an inspection done and a professional assess if it is a necessity.