The florida solar energy center fsec has done quite a bit of work in this area and even built a test building called the flexible roof facility to study different types of roof and attic assemblies.
Cooling down the attic to work.
An attic fan works by drawing in cool air to the attic space that pushes out the hot air through vents.
All of the other tips listed below are good for cooling down an attic so that the rest.
Insulation with an r factor of at least 19 can help hot attic.
How to cool down a hot attic electric ventilators and attic fans work to remove hot air from the area.
Indoor air conditioning unit.
The sun s radiant heat is the engine for all this and the process continues as long as the sun is shining on the structure.
Gable soffit and ridge vents are openings in the roof that allow hot air to escape.
Seal cracks and gaps.
In such doing the attic fan will reduce the temperature in the attic space that in turn cools down the whole house.
Most come with thermostats that automatically.
Install electric ventilators and attic fans which remove hot air from an attic.
There s been some good work done on how the type of roofing affects the attic temperatures and cooling loads in the house.
Work in the attic early in the morning or late in the evening when the outside temperature is lower and the sun is not directly overhead.
The attic fans are fitted with thermostats that will switch on and off the fan depending on the homeowner s preference.
They have thermostats that turn the fan.
Even after the sun goes down the hot items in the attic will continue to radiate and conduct heat keeping the air inside warm long after the outside temperature has cooled down.
To head off these problems consider these options for bringing your attic s temperature down.
2 drink plenty of water prior to working in the attic.