Why Not Vent Fans Into Attic

One static vent style is the turbine vent which uses wind to power its enclosed fan all it takes is a light breeze to rotate the blades and suck heat out of the attic view example on the home.

Why not vent fans into attic.

If you re tempted to vent your exhaust fan through an existing roof vent or even vent it into the attic don t do it. Help purchased home 8 years ago with 2 power attic vents. Attic fan not turning on. During the day any cooler air brought in by the fan will be heated up immediately by the surrounding structure.

When we got into the attic i quickly noticed the smell moisture and what i could see as mold on the roof rafters above each bathroom. Your attic fan may not be turning on because of an electrical problem like a tripped circuit breaker a blown fuse or a bad connection. The downside of attic ventilation fans. Second during cold winters you ll be blowing warm moist air onto a cold surface the roof vent and roof plywood.

Good insulation reduces fan effectiveness. Most fans cannot keep up. Even installing a larger gable vent can make a difference. Even though an attic exhaust fan can incrementally lower the temperature of a very hot attic using a fan does not stop the source radiant heat.

When venting a bathroom exhaust fan make sure to vent the air to the outside rather than into your attic where it can cause mold and mildew to form. However you can vent a bathroom fan through an attic while it terminates on the roof or gable end. However the utility of attic ventilation fans is actually quite a controversial topic. Some homes were built without ridge vents or roof vents.

Some homes simply need to have more vents added. Either the contractor wasn t aware of the need or the home is older and it wasn t available at the time. Told that the 2 attic power vents are the only attic ventilation i have the house does have vented soffits every other soffit cover is vented. Things have been ok low energy bills house very comfortable.

It seems like such an easy solution just leave a bathroom vent hose in an attic. Noticed one of the attic vents was not working. Attic ventilation fans whether hard wired or powered by their own solar panels seem like a low cost and effective way to help keep your house cool. No you should not vent a bathroom fan directly into an attic.

Kitchen and bath fans vent directly into the attic. First you ll partially block your roof vent with the piping reducing the flow of cooling air through your attic.