Why Not Vent Fans Into Attic

Bathroom exhaust fans perform an important function by removing excess moisture from your home.

Why not vent fans into attic.

Some homes simply need to have more vents added. 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. Kitchen and bath fans vent directly into the attic. 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.

However you can vent a bathroom fan through an attic while it terminates on the roof or gable end. The downside of attic ventilation fans. Most fans cannot keep up. 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.

First you ll partially block your roof vent with the piping reducing the flow of cooling air through your attic. 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. Either the contractor wasn t aware of the need or the home is older and it wasn t available at the time. After further inspection it was evident the current home owners vented their bathroom exhaust fans directly into the open attic space and not to the outside.

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. Good insulation reduces fan effectiveness. Attic fan not turning on. However the utility of attic ventilation fans is actually quite a controversial topic.

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. 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. During the day any cooler air brought in by the fan will be heated up immediately by the surrounding structure. If the attic fan isn t turning on it could be an electrical issue a problem with the thermostat or the motor of the fan that s not working.

Help purchased home 8 years ago with 2 power attic vents. Some homes were built without ridge vents or roof vents. 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.

Even installing a larger gable vent can make a difference. No you should not vent a bathroom fan directly into an attic.