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My house is hot as heck inside and I am thinking that it has to do with the attic area not having enough venting. I am not sure on the exact temps but it is usually a good 30degrees warmer in the attic than outside. Black shingles are not helping but thats what I have.

Here is an birdseye view of my house.

All I have for venting is the ridge vent that runs next to the AC unit and across the garage. There is NOTHING else. There is a total of 54ft. of vent.

Anyone think that this in enough??

I also have the eve vents to allow air in shown here. A total of 5 of them around the house.

I need to do SOMETHING to evacuate this hot air as I am hoping that this will help the house stay cooler. It is routinely 100+ until late September and $700 per month electricity bills are not sounding good.

I have been looking at the power vents that mount on top of the roof and was thinking of putting it somewhere by the AC unit. I have read though that this may not work as I will suck air from the ridge vents and thus create now real air flow and evacuation.

My next bright idea is this.

This is my garage standing at the big door. You can see the drop down ladder I have to gain access to the attic for storage.

There is drywall separating the garage crawl space and the space above the house. However, I made a hole to provide easier access to the house space when I was running wires and such a long time ago.

I was thinking of installing a gable fan or maybe a whole house fan in the garage to keep the noise out of the house that would blow into the garage space and thus into the house space and then vent out through the ridge vents and evacuate the hot air.

Either of these plans, the fan in the garage or the powered vent on the roof, seem like they may work? If so, which is the better plan of attack?

Thanks VERY much for any help in advance.
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