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.
Attic fan soffit vents.
Photos 1 6 show how it s done.
This in turn can help save money on your heating and cooling costs.
But before you cut any holes plan the locations of the attic vents.
Resin circular mini wall louver soffit vent in white 4 pack model rlsc4 view the master flow.
Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents.
This exhausts a greater volume of hot.
See the benefits of attic ventilation a new roof is more than just shingles.
This prevents hot air from seeping into your home and driving up the temperature in the living space which reduces the load on your air conditioner.
If there s blown in insulation like ours rake back the fluffy stuff with a 3 or 4 ft long 1 x 6 or use a garden rake or hoe.
The soffit vents are now installed but you still need to make sure there s no insulation blocking the new vents.
Effective attic ventilation systems reduce damaging heat and moisture in your attic promote energy efficiency by helping to reduce the load on your air conditioner in the summer and also reduce the risk of ice dam formation on your roof.
Most effective ventilation uses a ridge and soffit continuous ventilation system but even these designs can vary from roof to roof.
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.
Adding attic vents is a simple matter of cutting holes and installing vents.
Attic ventilation fans help cool air your attic by pushing out the stifling hot air from inside the attic and bringing in cool air from outside.
Master flow 4 in.
Lighting ceiling fans.
Outdoor living patio.
It can quickly remove a larger volume of hot and or humid air from your attic when compared to static ventilation.
Intake vents located at the lowest part of the roof under the eaves allow cool.
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Roofing attic ventilation.
Soffit vents may leave air trapped at the top of your attic.
If the attic is insulated with fiberglass batts just pull back any that are blocking the flow of air.