Should I Cover My Attic Vents In The Winter

Doing so in attempts to keep cold air out disrupts attic ventilation leading to moisture issues.

Should i cover my attic vents in the winter.

Blocking the vents can even harm your home by trapping moisture inside the attic. For every two percent moisture you lose a third of the r value. You should absolutely leave your roof vents open during the winter do not cover them. 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.

Then check the seals of all your doors and windows. Intake vents located at the lowest part of the roof under the eaves allow cool. A drafty attic is a very good thing. Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents.

If you ve done that and you d still like to save money on your electricity bill install heavy duty curtains. During cold winter months the attic vent fan is not. Closing your vents makes the attic space too warm and dry dangerous conditions for mold as well as pests. In the winter the vents will cause the attic to become cold but this should not damage your home or increase the energy use of your home so covering the roof vents is not necessary.

Unless your roofing system has insulation on the roofing deck and is designed without ventilation your furnace should not be heating your attic. They can help stop and prevent ice dams as well. Though covering the turbine in winter may seem like a good idea to conserve heat and save on energy costs the reduction in air flow may cause other problems. 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 you have your insulation and you let it get two percent damp it loses one third of its ability to insulate. So those vents actually help keep that insulation dry in the winter time. Then check your furnace to make certain it s functioning and or your chimney to make sure it s clear of debris. This allows air to move through the rafter space for good ventilation.

Your attic vents also do more for your roof than merely preventing it from becoming overheated in the winter. Do not cover your attic vents for the winter. Covering roof turbines in the winter can cause frost to form inside your attic. During the winter roof ventilation works to keep temperatures even.