If you accidentally trap it in your home, it could die. It was a common practice in Vermont in the 1950s to leave the gable end facing the garage open when building ranches. There’s another piece to this puzzle, however, that you need to understand before you set off to shut your vents. We live in central Texas. An attic in the afternoon in the summer can be 120 to 140 degrees and some even hotter. "Delicate fabrics and items that are painted are particularly prone to damage when stored in the attic," and plastic decorations, like ornaments, may melt or warp in the heat. "Holiday decorations can be damaged by the extreme heat in attics," says Santoro. An overheated attic can bake asphalt shingles on the roof and cause them to deteriorate. And remember, ceiling fans cool people, not rooms, so turn it off when you leave the room. And it can cause your air conditioner to work harder than it needs to … Open vs. Closed Vents During the Summer. Attic insulation and ventilation go hand in hand. Open vents also ensure that cold air can enter into the attic during winter. This insulation resists the heat from the terrace to pass it directly to the living room. The builder put ridge vents in roof but he covered them up when he blew in insulation on the roof rafters. The main goal is to keep your attic temperature the same as the outside air temperature in the summer as well as 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. An unventilated attic can reach 150 degrees in the heat of summer -- 50 degrees higher than it should be. Your attic vents perform another job than just releasing excess heat during the summer; they also release excess moisture from your attic during the winter. Hot air rises, so locate an attic vent at the highest part of your attic. Overcome the hot attic effect with the right home improvements. This weeks question is coming from Marcel from Fairfax, VA. Marcel asked: “Are the vents in my attic helping the heat escape in the winter? Expand Signature. Only a psychometric chart … Summer attic air temperatures with reflective roof peak at or slightly above outdoor air ambient. 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. The main goal is to keep your attic temperature the same as the outside air temperature in the summer as well as in winter. In most cases this causes more problems than it helps. ... the vents downstairs while leaving the upstairs wide open. They keep your home cooler in the summer, warmer in the winter, and free from damage caused by moisture. The attic needs to be as close to the outside temp as you can get it, year round. Imagine leaving a window open all winter long — the heat loss, cold drafts and wasted energy! When to call a professional Lacking these, I did the following: set the garage door so it closes leaving about 1 foot gap at bottom (also lets cats come and go as they wish). Copyright © 2020 Acton Media Inc. All rights reserved. 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. Stand-alone fans : When placed directly in front of you, these fans will, no surprise, help keep you cool. And it can cause your air conditioner to work harder than it needs to … It can do both. Reply. (And, hopefully, stay gone.) Should I Close The Attic Vents In the Winter? Opening all the windows at the same time doesn’t do much, either. Your attic acts as an insulation between the terrace and the living room. An open window allows air to circulate in a home and brings in desirable fresh air. In summer, the ideal is to have lots of air movement so the attic is as cool as possible... without adding refrigeration! In tight places, such as crawl spaces between floors, try snaking a vacuum cleaner hose into the restricted space. Your holidays might just be a lot less merry this year if you've been storing your decorations in the attic. Time limit is exhausted. If so, you should keep the windows open both winter and summer. How to Close an Attic Vent During the Winter. Windows a few feet apart don’t do much. 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. Your attic vents perform another job than just releasing excess heat during the summer; they also release excess moisture from your attic during the winter. Instead, it will merely cause a build-up of moisture and heat that can cause other, more troubling conditions in your home come spring. Ridge-vent must me installed per the manufactures instructions. Cooling your home can be expensive, especially if you live in a hot climate. If your roof isn’t warming up too much during the cold, snowy weather, then the snow that lands on your roof won’t melt immediately only to refreeze on the edges where it can form ice dams. ... Summer comfort is an open … Reverse the setting to blow air and leave the vacuum on until the nester leaves to seek more pleasant digs. Especially in the summer when the attic is 100+ degrees. While removing the snow from your roof is always your best defense against ice dams and problems caused by ice and snow on your roof, having your attic properly ventilated all winter long can go a fair way toward helping to prevent issues from occurring. Should I Close the Attic Vents in the Winter?”. An unventilated attic can reach 150 degrees in the heat of summer -- 50 degrees higher than it should be. The title said “5 myths” but in actuality revealed none…It’s paramount to keep the attic cool during the summer and warm during the winter. Ice dams are the result of all the snow that falls on your roof melting and then refreezing on the edges where they build up into thick blankets of ice that can force water and moisture up beneath your shingles. Should I leave my interior doors open or closed when running my AC? An overheated attic can bake asphalt shingles on the roof and cause them to deteriorate. When done correctly, attic venting can reduce the potential for condensation in winter and summer. If you want your question answered- record it be click on the orange button below or Click Here to fill out a form. Open vents allow the moisture to leave the attic and travel outside. In that case, you should leave one entrance open so that the squirrel can come and go. Originally Answered: Hot air is rising, so is it smart to open the attic stairs in summer? During summer, a lot of homeowners leave their garage door open because of the heat. Summer: The concern in summer is heat. Win a home water heater from A. O. Smith. Whenever I climb into the attic I feel a great cool breeze coming from the open garage door and being drawn up the attic stair opening. The roof also has soffit and ridge vents.... You agree that BobVila.com may process your data in the manner described by our Privacy Policy. They keep your home cooler in the summer, warmer in the winter, and free from damage caused by moisture. Roof shingles absorb a great deal of the sun's heat, especially if they're dark in color. Home » Ask a Contractor » Should I Close The Attic Vents In the Winter? Englander 30-NC For example, in the summer (or in places where it’s summer all the time like Las Vegas), the sun beats down on the roof, heating up the attic. All rights reserved. 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