Attic Vents Closed In Winter

Don t shorten the life of your hvac system unnecessarily by closing off your vents.

Attic vents closed in winter.

Although air should circulate year round through the attic your house will probably be more comfortable if you cover the foundation vents in the winter. If not the air pathway through the attic will be short circuited flowing only from the gable vents to the ridge vent and not ventilating the lower part of the attic. When the attic becomes too warm due to closed vents snow and ice on the roof readily melts. Roof vents allow air to circulate through your attic and exit your home.

Unless your roofing system has insulation on the roofing deck and is designed without ventilation your furnace should not be heating your attic. In winter when the air is drier the vents are closed to reduce the chance that the pipes in the crawl space might freeze how to close crawl space vents. This causes free flowing water to run between shingles and down to the gutters. 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.

After all one of the purposes of attic vents is to help release some of the heat from the attic and prevent it from becoming super heated. Remove the grate from the attic fan. According to tom silva the simplest way to close foundation vents for the winter is to plug them from the outside with foam blocks made specifically for this purpose. They need to be open in the summer.

Just remember to remove the plugs when the weather turns mild in the spring. If you really want to save some cash on your bills keep your vents open and allow the air to flow freely throughout your home but consider lowering the temperature a few degrees. A hard wire runs directly from the. So in a way the idea of closing those vents during the winter also makes sense because theoretically this would help prevent heat from escaping your home during the winter when you re trying to keep it in.

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. You probably won t notice a temperature difference but your system will be happier without the closed vents and you will be saving money. Turn off the electricity to attic fan by unplugging or by disconnecting the hard wire from the junction box. You probably already know that attic vents are important both to your roof s longevity and to keeping your energy bills down during the summer.

Measure the height and width of the. In extreme cold the lack of warm air in your duct work may cause freezing to occur. When the attic becomes part of the home to be heated and cooled open wall gable vents and roof vents are no longer feasible but the underside of the roof the sheathing and rafters can still get. Hitting uneven roof temperatures caused by blocked vents leads to the refreezing that is troubling.

How to close an attic vent during the winter.