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What Does Attic Fans in Eugene, OR - Repair and Installation Services Mean?

of roofing system vent location for each 300 sq. ft. of attic area. When it pertains to vents, more is much better, and every vent mounted high up on a roofing system requires an equivalent on the lower roof, usually under the eaves in the soffit. With this arrangement, hot air increasing through the upper vents will pull cooler air into the attic through the soffit vents.

Typical signs of an excessively hot attic are asphalt shingles with corners curled up, or bulges in the felt and shingles straight over the seams in the sheathing. On cold winter season days, look for frost inside the attic. This frost is trapped wetness, which, if not enabled to escape, can rot the entire roof.

On hot days, the air movement through these vents is strong enough to pull light seeds from trees and bushes right into the vent screens. Blocked vents will need to be cleared if your new fan is to work effectively. There are 2 basic attic fan styles: those made for roofing installations and those intended to be mounted in a gable wall.

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6 Easy Facts About Installation Instructions - Air Vent, Inc. Described

Just cut an opening in the roof, typically near the peak, and set up the fan over the opening. Then shingle above and around the flashing simply as you would for a standard roof vent or plumbing stack. In our case, we picked a gable-wall fan that was a little simpler to set up since no shingles needed to be disturbed.

We needed to enlarge the opening a little to accommodate a somewhat bigger, automated shutter, however it was still a fairly basic task, needing no structural modifications. If your existing vent is big enough, you might not need to change it. Simply mount the fan straight behind it.  smartliving  selected a Whisper Cool fan (Model WCGA) made by Certain, Teed (Specific, Teed Ventilation, 3000 W.

Whole-house fan - Wikipedia

The fan is warranted for 5 years, draws a mere 3. 2 amps and is capable of dealing with an attic location up to 1500 sq. ft. Its thermostat is set up in a control box and is prewired. We paid about $40 for the fan, plus about $30 for an Attic Aire automated shutter, likewise made by Specific, Teed.