Blocking Attic Vents In Winter

Block winter drafts from home air conditioning vents.

Blocking attic vents in winter.

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. Measure the height and width of the. If you use the older style of roof vent to provide air circulation then you must install traps or blockage points that prevent them from nesting in your attic s insulation. Set the grate aside.

Squirrels rats raccoons and other pests all love to try getting into your home whenever there is a point of access. Turn off the electricity to attic fan by unplugging or by disconnecting the hard wire from the junction box. Don t avoid ventilating your attic for fear you re letting cold air into the house. In this case even if soffit vents are installed there will not be adequate air inflow.

Adding a ridge vent is a fine idea and don t worry about it competing with the gable vents. Obviously more research is needed but here s what we do know. For years i ve been trying different schemes to block the cold drafts from my home s air conditioning vents. 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. Blocking the vents can even harm your home by trapping moisture inside the attic. They are essentially holes right into the unheated attic immediately above since this is a 1950s ranch style house. Your attic vents also do more for your roof than merely preventing it from becoming overheated in the winter.

How to close an attic vent during the winter. If there are asphalt shingles on your roof the attic must be ventilated to comply with the terms of the. Heavy winter storms lead to snow and ice accumulation which may affect your roof ventilation s ability to allow free flowing air to move through the attic. 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.

Your actual living space is sealed. Roof vents allow air to circulate through your attic and exit your home. It may be necessary to clear your roof vents after heavy winter precipitation. Deliberate blocking at eaves.

If the gable vents aren t letting in rain or snow leave them alone. Remove this blocking when designing good attic venting. A hard wire runs directly from the. Remove the grate from the attic fan.

In some older buildings in an attempt to warm up a cold attic someone may have installed wood blocking between the rafters at the building eaves.