Attic Venting In Winter

Power gable vent shutter is automatic 20 in.

Attic venting in winter.

See the benefits of attic ventilation a new roof is more than just shingles. You would think that venting an attic would be counterintuitive in the winter or cold months. While heat migrates in the summer because your attic is acting as a giant pressure cooker in the winter the attic space is colder allowing more room for the heat to rise and bring all that warm cozy. 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.

Too many people believe that because heat rises ventilating an attic space during the winter means you re releasing warm air and creating a drag on your heating efficiency. Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents. That keeps your attic dry and reduces ice dams. Intake vents located at the lowest part of the roof under the eaves allow cool.

To install the rafter vents staple them directly to the roof decking. Constructed of white aluminum that can be painted. In the winter warm moist air seeps into the attic from the living space below. Attic fans do require electricity to operate which makes this attic ventilation solution more costly to operate than relying on natural attic ventilation through.

Attic vent fans pull the cool air from outside into the attic to chill the air during the summer months and aide in the cooling of the home. If those steps don t solve the problem add more soffit vents following the techniques we show in photos 4 17. Effective attic ventilation systems reduce damaging heat and moisture in your attic promote energy efficiency by helping to reduce the load on your air conditioner in the summer and also reduce the risk of ice dam formation on your roof. Rafter vents come in 4 foot lengths and 14 1 2 and 22 1 2 inch widths for different rafter spacings.

During cold winter months the attic vent fan is not. Power gable vent shutter is designed to be used with master flow egv pg series electric gable fans. Roof vents remove warm air during the winter. The shutter will open when the electric gable vent is operating.

In the summer good attic ventilation reduces heat buildup. That cuts cooling costs and prolongs shingle life. Begin by making sure your existing system works photos 1 and 3 plugging major air leaks into the attic photo 2 and correcting any other of the common causes of poor attic venting.