Garage door vents
 

I am considering putting a vent in the right and left lower corners of my garage door to reduce heat in the garage especially during the summer months. Will doing this really substantially reduce heat build up in the garage. For example, if the air temp is 95 will the vents keep the garage below 100 degrees. I have good venting in the roof and I plan to keep the retractable stairs to the garage attic down during the summer. Please let me know if you have experience with this.

My garage had the vents in the garage doors, door insulation, and the fan in the attic which pulled air thru the vent in the garage ceiling. I thought the system was a complete waste of money. All it did was pull hot/humid air from the outside. It is a west facing garage. If you want the garage at a comfortable temperature to be able to spend time in it the only good solution is to insulate the attic and garage doors, then add a mini split.

A total waste of money and it will weaken your garage door. My neighbor installed an attic fan and those garage door vents. Within a month or so, he turned it off and never used it again. You will get hardly any air flow through the vents. Also, you should not leave the retractable stairs down because that will compromise the fire rating of your garage.

Will just bring more humid air, better off without vents in the door.

Why not just leave your garage door open a bit in the morning when the air is coolest? Agree, no reason to spend money on this.

As other have said, they work the opposite since they pull hot air off the driveway.

Waste - O - Money

Added the vents in the door, insulated the garage door, added the garage to attic vents, and 2 solar attic vents. My attic temperature has dropped a huge amount and my garage is significantly cooler. I get a very nice draft running through the garage and you can feel the draft in the attic. They must have messed up my installation since it doesn't work for anyone else.

In our house and most of the houses in our neighborhood garages do not have windows. Have you thought about adding a window(s). This can get rid of the hot air and add light to the garage.

If you put vents in your garage door and lower your stairs you are creating the perfect chimney. If you should have a fire in the garage it will spread into the attic before you can even dial 911. And don’t be surprised when your insurance company tells you to pound sand.

This is the 2nd house we done that in and the garages have been noticeably cooler during the hot part of the summers; pushes the hot air out of the attic also.

I have a fan and the two vents you speak of, and they work fantastic.. also try a auto roll down screen door .. the best of both worlds ( and of course get estimates) quality matters

If youre going to do anything, do the roller screens.

Cutting into the garage door will weaken it - not good when next hurricane type storm comes throug.

I get morning sun on my garage door, put up a DYI garage door insulation kit. It helps a lot.

Do Nothing. In a couple of years you won't care.