Attic Ventilation In Winter

Good ventilation allows the heat and moisture to escape.

Attic ventilation in winter.

Unless your roofing system has insulation on the roofing deck and is designed without ventilation your furnace should not be heating your attic. In the summer good attic ventilation reduces heat buildup. That keeps your attic dry and reduces ice dams. Attic ventilation in the winter.

Poor insulation is usually the culprit although if you enter the attic on sunny winter day your attic space can be warmed by the sun more than your furnace. During cold winter months the attic vent fan is not. 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. In the winter warm moist air seeps into the attic from the living space below.

Not true for all parts of canada. 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. Eliminating moisture problems through attic ventilation works to improve indoor air quality. The main reason that people believe vents should be covered in the winter is to prevent the loss of heat in the home.

Proper attic ventilation in winter prevents mold and mildew growth safeguarding your family against these harmful contaminants. See the benefits of attic ventilation a new roof is more than just shingles. The more attic ventilation in winter the better. If the attic is too warm during the winter the precipitation frozen on your roof will melt drip down to your gutters and then refreeze.

Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents. It also prevents the warm damp and dark environment that pests love keeping rodents and insects from nesting in your. You would think that venting an attic would be counterintuitive in the winter or cold months. Intake vents located at the lowest part of the roof under the eaves allow cool.

That cuts cooling costs and prolongs shingle life. In certain regions most of the data is from the national research council in the saskatoon area it appears that the only effective way to stop continuous accumulation of frost in the attic is to not ventilate at all during the worst of winter but to seal. 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.