Best way to get some air flow in our garage? Wish that we had run an a/c vent in there now. Heat is almost unbearable in there with the door closed. Wife doesn't like leaving the door cracked. She works from home and doesn't feel safe.

Just curious, what's the goal in mind? is someone going to be in the garage or is it just so it doesn't get so hot in there in general?

if you're garage door is getting a lot of sun (facing west), you can insulate the door to reduce the heat a bit.

If you are really serious, insulate the door and install a minisplit system.

Do you have attic space above? If so, you can insulate over the garage and insulate the garage door if not already done. You'll have a little less heat gain from both surfaces.

Install a couple screen vents on the ceiling to let hot air draft out of the attic. If you have good ventilation in the attic, it should draw heat from the garage as well. There should be enough air leakage around the garage door to let air in to replace the hot air drafting upward.

Heard about these on the radio....

garage door vents

https://windeevent.com/

toolshed said:

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Do you have attic space above? If so, you can insulate over the garage and insulate the garage door if not already done. You'll have a little less heat gain from both surfaces.

Install a couple screen vents on the ceiling to let hot air draft out of the attic. If you have good ventilation in the attic, it should draw heat from the garage as well. There should be enough air leakage around the garage door to let air in to replace the hot air drafting upward.

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I see a lot of people who crack their garage doors about 6 inches to allow air flow. We have a ceiling/attic access in the garage and simply open it during the summer. Allows access for storage, etc., and air flow in the heat.

I'm assuming it's a finished garage?

I ask because mine is a detached unfinished and I've been looking at ways to keep it a little cooler.

New roof last year, they put on ridge vent but I didn't notice a difference. Turns out I didn't have any soffit vents, so I added some on all 4 sides.....can't believe I never noticed. Still not a "big" difference. I also leave a small fan running in there.

I've been toying with the idea of adding radiant barrier to the ceiling, its pretty easily accessible and feel like if I did that, plus add insulation to the walls, it might make quite a bit of difference. Our doors don't get direct sun so haven't bothered with insulating them.

If I don't do the radiant barrier I might just buy a few sheets of plywood and seal off the ceiling and see how that works.

Don't know if this helps you or not

Quote:

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New insulated garage door

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the new door was insulated or not insulated?

MrJonMan said:

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I'm assuming it's a finished garage?

I ask because mine is a detached unfinished and I've been looking at ways to keep it a little cooler.

New roof last year, they put on ridge vent but I didn't notice a difference. Turns out I didn't have any soffit vents, so I added some on all 4 sides.....can't believe I never noticed. Still not a "big" difference. I also leave a small fan running in there.

I've been toying with the idea of adding radiant barrier to the ceiling, its pretty easily accessible and feel like if I did that, plus add insulation to the walls, it might make quite a bit of difference. Our doors don't get direct sun so haven't bothered with insulating them.

If I don't do the radiant barrier I might just buy a few sheets of plywood and seal off the ceiling and see how that works.

Don't know if this helps you or not

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So when you say it's unfinished, are you referring to it currently not having any ceiling?

If that's the case, just put up the radiant barrier roof decking panels on the ceiling and that will make a significant difference in and of itself!

When I had my roof reconfigured (we enclosed the patio area and turned it into 340 additional square foot of living room space) and replaced several years ago, I had them remove the existing plywood and install the radiant barrier plywood during the rennovation. That alone dropped the attic temps by approximately 30-40 degrees so it's bearable up there if I have to do any work in the attic during the hot summer days!

Correct, there's a small area where it's decked but 80% is open. The walls are also uninsulated