Powered Exhaust Fan For Attics In Winter Ice Dams

Posted november 18 2019 by lewis insulation filed under attic ventilation.

Powered exhaust fan for attics in winter ice dams.

Solar gable fans or solar roof mounted attic fans can prevent ice damming in the winter and protect your shingles from super heated attic air in the summer. If you push hot air out of your attic more hot air from inside your home will just rush in and take its place. Even with good attic insulation heated air from living spaces can build up in your attic. When these exhaust fans are turned off warm air simply rises through these voids naturally.

The aura solar attic fan will produce 310 cfm at 11 mph without the solar powered fans through its patented engineered design with no moving parts. It will also exhaust moisture in the winter to keep the attic dry and cool to preserve attic insulation and prevent ice dams. The whole reason your attic is hot in the first place is that there are leaks or poor insulation between your attic and your living space. Click here to learn more about ice dams.

This heated air can prematurely melt snow on your roof which can lead to ice dams. When these exhaust fans are turned on they blow hot air straight into your attic which is exactly what ice dams need to form on your warmed up roof. How proper attic ventilation can help prevent ice dams this winter. Keeping the temperature of your attic regulated is an essential part of an energy efficient well built home.

It s perfect for reducing cooling costs as it pulls fresh air from outside and expels warm attic air out through the exhaust vents. The fans cool the attic equalizing the temperature between the attic and outside of the home. Here in minnesota we get quite the snow filled winter. An attic fan in winter can exhaust heat from your attic and reduce the risk of ice dams by keeping your attic cool.

Attic fans do require electricity to operate which makes this attic ventilation solution more costly to operate than relying on natural attic ventilation through vents. The exhaust fans are now forming easy access points for hot air to rise or be forced into your attic. Air is drawn in through the attic fan and air is expelled through the roof vent system to keep your attic cooler and drier preventing ice and moisture issues throughout the winter. The fan is able to accommodate anywhere from 1 200 to 1 800 square feet of attic space.

Although setting up fans in your attic will expel hot air they won t help you prevent ice dams. And with our unpredictable weather and temperatures we are at a high risk of getting ice dams. Air vent 18 inch dia electric gable vent fan courtesy of home depot. It will also exhaust moisture in the winter to keep the attic dry and cool to preserve attic insulation and prevent ice dams.