Cool Attic Efficiency

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.

Cool attic efficiency.

An unventilated attic can reach 150 degrees in the heat of summer 50 degrees higher than it should be. 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. And it can cause your air conditioner to work harder than it needs to and send your energy bills soaring with the temperature. The afg pro 3 0 is possibly the most powerful residential attic fan on the market today.

Some other attic options may provide better cooling results but overall attic ventilation turbines are a great option for attic energy efficiency. Powered attic ventilators are the worst way to try to keep your attic cool. 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. 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. 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. An overheated attic can bake asphalt shingles on the roof and cause them to deteriorate. 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.

When installing a foil type barrier the u s.