How To Vent An Attic Fan

Good insulation reduces fan effectiveness.

How to vent an attic fan.

This will help to avoid premature damage to the shingles or mold building up in moist hot. 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. Whole house fans powered attic fans. Attic fans are intended to cool hot attics by drawing in cooler outside air from attic vents soffit and gable and pushing hot air to the outside.

Photos 1 6 show how it s done. Venting a homes attic is a very important best building practices will say 50 at the ridge and 50 at the soffits unobstructed. These fans may be controlled by a switch or a thermostat which detects heat build up in the attic space and automatically exhausts the attic space. Whole house fans work on the principle of removing the hot and humid air out of the house.

The warm air escapes through the attic and to the attic vents allowing the circulation of chilly air from the windows. It helps to cool your home temperatures and the attic by approximately 30 degrees. Options for venting a bathroom exhaust fan include best to worst. As a certified licensed home inspector it is not correct to say too much ventilation is bad for an attic unless rain moisture is getting in.

However the utility of attic ventilation fans is actually quite a controversial topic. This in turn can help save money on your heating and cooling costs. The downside of attic ventilation fans. 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.

Fans and vents may be installed on the roof system that will draw the air out of the attic space and exhaust it to the exterior. Mark the roof venting locations from the attic where you can see the rafters and avoid placing roofing vents over them. An attic fan works by exchanging the hot air in your attic space for fresh air pulled through the vents. The master flow erv6 power roof vent is the master flow erv6 power roof vent is a great overall investment in attic ventilation.

However if your attic has blocked soffit vents and is not well sealed from the rest of the house attic fans will suck cool conditioned air up out of the house and into the attic. Do not use mechanical means electric attic fans. Adding attic vents is a simple matter of cutting holes and installing vents. But before you cut any holes plan the locations of the attic vents.

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