Attic Ventilation In Winter

That cuts cooling costs and prolongs shingle life.

Attic ventilation in 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. 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. Good ventilation allows the heat and moisture to escape.

In the winter warm moist air seeps into the attic from the living space below. 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. You would think that venting an attic would be counterintuitive in the winter or cold months. In the summer good attic ventilation reduces heat buildup.

The more attic ventilation in winter the better. Intake vents located at the lowest part of the roof under the eaves allow cool. 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. Not true for all parts of canada.

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. 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. 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.

Attic ventilation in the winter. This accumulation of ice can end up breaking your gutters. The main reason that people believe vents should be covered in the winter is to prevent the loss of heat in the home. It also prevents the warm damp and dark environment that pests love keeping rodents and insects from nesting in your.

Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents. Unless your roofing system has insulation on the roofing deck and is designed without ventilation your furnace should not be heating your attic. That keeps your attic dry and reduces ice dams.