Attic fans push out the hot air and pull in the cool air from the vents installed on your roof.
How to tell 8f attic too hot.
Darker colors are more effective at blocking heat and light.
Not the overabundance but the lack of insulation in the attic.
Hang an outdoor thermometer in your attic making sure its range.
Or you can check for muddy footprints.
Signs that the attic is too hot the attic should have a uniform flow of air circulating from the outside through the attic to exhaust the rest of the house.
When your attic bedroom is always too hot block direct sunlight with insulated drapes and light blocking window shades.
I live in northern virginia hot humid climate in the summer and use heat pumps to heat and cool my house throughout the year.
Check on almost any surface not covered by insulation and there should be a layer of dust with animal tracks.
Another reason your attic is so hot is because of insulation.
Raccoons are notorious for this.
Inspect the attic if your attic is not sufficiently vented you probably won t have to look very hard to find signs.
It also blocks 98 of uv rays 99 of exterior light and 40 of outside noise.
They include rafters and ceiling joists that are damp or blackened with mold.
Rats and mice leave brown grease marks in areas of heavy travel too.
Excessive heat deteriorates items you store in the attic and can cause moisture problems in your house.
Take its temperature.
So how can you tell if your attic is just too hot.
You can also look at the animal tracks left in the dust in the attic.
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.
With enough exhaust vents and intake vents your attic has breathing room and is better cooled.
To ensure that the attic fan is working properly you need to make sure that your attic is sealed up tight where it touches the ceiling of the top floor.
It is imperative to have enough soffit vents relative to the size of the attic.
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.
In many instances an attic fan can be helpful in improving air circulation.
I have large attic with ridge vents and screened vents at either end of the attic to maintain air flow.