Does A Garage Attic Need A Vent

There are any number of fans designed to pull air through the garage and exhaust it back outdoors.

Does a garage attic need a vent.

Intake vents located at the lowest part of the roof under the eaves allow cool. Generally speaking you need a ratio of 1 300 where for every 300 square feet of ceiling space you need 1 square foot of attic ventilation. Also your garage builds up heat over the summer so it will feel uncomfortable if you don t ventilate your garage. That said air resistance and interference such as vent grates reduces the area of true ventilation.

Pdf source why you should ventilate your garage. In other words the entire vent opening doesn t count as vented space. At danley s we construct custom size and style detached garages to accommodate your needs. Attic ventilation has been a controversial topic among building contractors.

And it gets even dicier when it relates to the garage. However the epa environmental protection agency does recommend that residential attached garages use either a 100 cfm ducted or 80 cfm un ducted fan to vent any toxic fumes directly to the outside. Many contractors recommend you ventilate the attic while others deem it unnecessary. You want to bring in cooler air from outdoors into the garage.

Answer yes to any of the above and you should install vents. In this post you ll learn whether you need to vent your garage attic or not based on your situation. To cool your garage as efficiently as possible you probably will need to install one or two powerful sidewall ventilation fans. The best garage ventilation is lots of moving air.

It does not require residential garages to be actively ventilated.