Install electric ventilators and attic fans which remove hot air from an attic.
Attic above garage gets too hot with air conditioner.
This can happen in the ceiling areas too with the insulation against the underside of the roof decking but leaving an air gap to the back side of the dry wall of the ceiling of the bonus room.
Modern garage doors come in many different materials and colors.
Alternatively install passive vents such as gable soffit and ridge vents which are openings in the roof that allow hot air to escape.
Like the rest of your home your garage gets a lot of extra heat from the attic above it.
Thus hot attic air is moving through this space heating the floor of the room and rendering the insulation useless.
The fan will draw hot air upward and send it out through the vent instead of just moving the hot air around.
It s always too cold or too hot.
My idea is to vent the build up of hot air that has risen to the ceiling in the hotspot rooms into the attic so that air from cooler parts of the house can move in.
One of the cheapest garage cooling solutions you can use that s still effective is a simple oscillating household fan.
Attic fans and vents.
If your garage door is on the north side of the building you ll be letting in air that s been shaded all day so it s likely to be cooler than the stuffy air in the garage especially if your garage isn t insulated and acts like a hot box.
I live in northern virginia hot humid climate in the summer and use heat pumps to heat and cool my house throughout the year.
Depending on the angle of the sun and how well insulated your garage is opening the door will provide a big breath of fresh air.
There s some attic space above the front half of the garage and two bedrooms over the rear half of the garage both of which get very warm during the summer.
Another highly efficient means of keeping the garage cool is the installation of a permanent vent with an attic fan.
And in homes with attic knee walls i e.
I have large attic with ridge vents and screened vents at either end of the attic to maintain air flow.
Using air conditioning in the garage might also be too cost prohibitive for your liking.
They have thermostats that turn the fan on at a recommended preset temperature of 100 110 degrees.
Low cfm similar to a bathroom vent 300cfm and only in the hot spots basically by adding an inline ducting fan to the return ducts for the hotspot rooms.
The garage attached to my townhome gets the full afternoon sun.
This is when you shouldn t get a variable speed air conditioner.
Updating your garage door.
You ll stay cooler and your garage air conditioner unit won t have to work as hard.
Pedestal fans box fans or even better a higher powered shop fan will get the air in your garage moving.
I have a shop in my attic for some of my hobbies and it get s very hot in the summer.
Add some rolled insulation to the floor of the attic or to the ceiling of the garage if the attic is finished.
The temperature in the garage has reached 110 degrees at times this summer.