For proper attic ventilation it is important to have both intake and exhaust vents installed.
Attic ventilation in winter.
About attic ventilation natural attic ventilation.
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.
During cold winter months the attic vent fan is not.
And with our unpredictable weather and temperatures we are at a high risk of getting ice dams.
The intake vents allow dry air from the outside to enter while the exhaust vents allow the moist air to escape.
Eliminating moisture problems through attic ventilation works to improve indoor air quality.
It also prevents the warm damp and dark environment that pests love keeping rodents and insects from nesting in your.
Solutions for attic ventilation.
Not true for all parts of canada.
At first it may seem odd to add insulation for warmth and then purposely allow cold air to enter the attic through vents but this combination is the key to a durable and energy efficient 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.
Throughout the balance of this digest the terms attic and roof will and can be used interchangeably.
The more attic ventilation in winter the better.
In the winter allowing a natural flow of outdoor air to ventilate the attic helps.
Here in minnesota we get quite the snow filled winter.
Proper attic ventilation in winter prevents mold and mildew growth safeguarding your family against these harmful contaminants.
Posted november 18 2019 by lewis insulation filed under attic ventilation.