Attic Soffit Fan

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Attic soffit fan. Set your store. Without any air movement temperatures in the attic soar in summer and plunge in winter. Your soffit ventilation actually needs to be considerably more than 336 net square inches to supply a 700 cfm fan system or the fan is going to pull the air it needs through unsealed holes and gaps in the attic floor from the conditioned living space. An attic s intake vents are most commonly installed directly in the soffit either as individual vents spaced every few feet or as one continuous perforated soffit running the entire length of.

When passive methods aren t sufficient an electric fan installed at a soffit vent draws additional outside air into the attic to augment the chimney effect. Save 115 52 30 269 54. Adding attic vents is a simple matter of cutting holes and installing vents. Mark the roof venting locations from the attic where you can see the rafters and avoid placing roofing vents over them.

But before you cut any holes plan the locations of the attic vents. Without ventilation unfinished attic spaces can end up having stagnant air. Should i add soffit vents. 22 in x 6 in galvanized steel eave vent item 2180323 model ev622 1 8ev622 1 8.

Photos 1 6 show how it s done. 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. These vents allow outside air to enter the attic at the lowest point of the roof along the underside of the eave. 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.