And it can cause your air conditioner to work harder than it needs to and send your energy bills soaring with the temperature.
Cool attic efficiency.
Department of energy recommends that you allow the material to droop between the attachment points to make at least a 1 0 inch 2 5 cm.
Running at 250 watt and moving over 2860 cfm this fan uses less power than typical attic fans that move half the amount of cfm.
When installing a foil type barrier the u s.
Air vent 18 inch dia electric gable vent fan at lowe s this unit is 30 percent quieter and 35 percent more energy efficient than other comparable gable mounted models.
An overheated attic can bake asphalt shingles on the roof and cause them to deteriorate.
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.
Attic turbines can help ventilate an attic in the summer and possibly cool your attic and prevent ice dams in the winter which can prolong the life of your attic.
Adding a radiant barrier prevents the sun from beating down onto your attic and heating it up which means this option can help keep your attic cool in the summer.
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.
An unventilated attic can reach 150 degrees in the heat of summer 50 degrees higher than it should be.
Powered attic ventilators are the worst way to try to keep your attic cool.
Some other attic options may provide better cooling results but overall attic ventilation turbines are a great option for attic energy efficiency.
The quietcool afg pro 3 0 attic gable fan can help cool and ventilate your attic for just pennies an hour.