Cool Attic Efficiency

When installing a foil type barrier the u s.

Cool attic efficiency. An overheated attic can bake asphalt shingles on the roof and cause them to deteriorate. 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. 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. The afg pro 3 0 is possibly the most powerful residential attic fan on the market today.

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. They ve been well discussed here and other places but briefly they re not cost effective don t deal with the problem where it starts are using convection to solve a radiant heat problem and can even be dangerous by backdrafting combustion appliances and. Powered attic ventilators are the worst way to try to keep your attic cool. The quietcool afg pro 3 0 attic gable fan can help cool and ventilate your attic for just pennies an hour.

And it can cause your air conditioner to work harder than it needs to and send your energy bills soaring with the temperature. 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. Cool attic cx242ddwt drive 2 speed at amazon the precision balanced blades and bracing provide quiet and efficient ventilation best gable mount. An unventilated attic can reach 150 degrees in the heat of summer 50 degrees higher than it should be.

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.