Hot Attic Over Garage

They have thermostats that turn the fan on at a recommended preset temperature of 100 110 degrees.
Hot attic over garage. The biggest problem with these types of spaces is load capacity. A lot of bedrooms over garages have both of these problems. The heat from the garage will absolutely contribute to high temperatures in the attic space above as well as the finished rooms. It s double trouble for temperature control.
Since your home s heating and cooling system usually does not extend into the garage insulating this area does little to change the cost of running the system. Insulating the attic above the garage will help keep temperatures in the garage a bit more stable but it won t have any appreciable effect on energy bills. And in homes with attic knee walls i e. Install electric ventilators and attic fans which remove hot air from an attic.
If not you may want to consider adding blown in insulation. Your attic is on the other side of the bedroom wall inadequate thermal treatment and air leaks can wreak serious havoc on comfort. If the trusses of your garage roof cannot support an attic you will find that holes will develop in the ceiling of the garage. Will the garage heat rise to the attic.
Hopefully the ceiling cavity between the garage and the finished spaces was insulted.