Attic Ventilation In Winter

You would think that venting an attic would be counterintuitive in the winter or cold months.

Attic ventilation in winter.

Attic ventilation in the winter. Eliminating moisture problems through attic ventilation works to improve indoor air quality. 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. Not true for all parts of canada.

See the benefits of attic ventilation a new roof is more than just shingles. 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. The more attic ventilation in winter the better. That keeps your attic dry and reduces ice dams.

It also prevents the warm damp and dark environment that pests love keeping rodents and insects from nesting in your. Intake vents located at the lowest part of the roof under the eaves allow cool. During cold winter months the attic vent fan is not. 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.

The main reason that people believe vents should be covered in the winter is to prevent the loss of heat in the home. 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. Unless your roofing system has insulation on the roofing deck and is designed without ventilation your furnace should not be heating your attic. Proper attic ventilation in winter prevents mold and mildew growth safeguarding your family against these harmful contaminants.

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. Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents. 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. 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.

In the winter warm moist air seeps into the attic from the living space below. In the summer good attic ventilation reduces heat buildup. 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.