High temperatures inside your attic shorten the life span of shingles.
Attic too hot for ac unit.
Install electric ventilators and attic fans which remove hot air from an attic.
A hot attic is bad for several reasons.
Excessive heat deteriorates items you store in the attic and can cause moisture.
Alternatively install passive vents such as gable soffit and ridge vents which are openings in the roof that allow hot air to escape.
In the summer it gets to about 90 outside and over 130 in the attic during the peak of the day.
There s one more way that you can vent a portable ac unit and get rid of that hot air in a windowless room.
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 total square footage is about 500.
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.
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.
We are in the process of converting the attic to living space.
Do i need additional roof ridge vents.
Mini split ductless air conditioner.
Ideal attic temperatures shouldn t be more than 10 to 20 degrees hotter than outside temperatures.
As for attic air conditioners you have two best options without a window.
Another problem with vaulted ceilings at least here in the southeast is that builders use tradeoffs to put in less insulation than is required for flat ceilings.
When the air conditioner ran it sucked lots of hot attic air right into the room and the ceiling near those lights got to temperatures well above 100 f.
I installed 3 large windows.
An ac unit will keep the temperature much more pleasant and comfortable for you to be in your attic for long periods of time.
As the ac.
A portable air conditioner is the easiest solution for cooling your attic.
However it absolutely must be an unused chimney in an unused fireplace.
They have thermostats that turn the fan on at a recommended preset temperature of 100 110 degrees.
I plan on adding a ductless heat ac unit.
You can pipe the hot air out through a chimney.
In many instances an attic fan can be helpful in improving air circulation.
Never try to vent a portable ac unit through a functional working chimney or fireplace that s a huge safety risk.