If your attic is not or is poorly insulated using an a c.
Ways to cool attic.
Adding an attic fan can improve the airflow in your attic to keep it cool.
Attic turbines can help ventilate an attic in the summer and possibly cool your attic and prevent ice dams in the winter which can prolong the life of your attic.
If your home is too hot during the summer despite running your ac don t put a band aid over the problem.
Attic fans push out the hot air and pull in the cool air from the vents installed on your roof.
Some other attic options may provide better cooling results but overall attic ventilation turbines are a great option for attic energy efficiency.
With a free spray foam insulation consultation from energy monster wee can help you decide if your insulation needs an update.
They ve been well discussed here and other places but briefly they re not cost effective don t deal with the problem where it starts are using convection to solve a radiant heat problem and can even be dangerous by backdrafting combustion appliances and.
There are two types of attic fans.
My attic is ridiculously hot if i install a fan pull out hot air to help cool my attic will my ac work better right now it takes two to three hours to drop the house 4 degrees.
The temperature in your attic can reach 150 degrees on a hot summer day a situation that if left unchecked can drive up cooling costs by as much as 40 percent.
If your attic has less than r 22 insulation 7 inches of fiberglass or rock wool or 6 inches of cellulose you should add more.
Ensuring your home has the proper attic ventilation according to these guidelines however can save yourself the stress and hassle of an emergency roof repair.
And it can cause your air conditioner to work harder than it needs to and send your energy bills soaring with the temperature.
Reevaluate your insulation and upgrade if needed.
An overheated attic can bake asphalt shingles on the roof and cause them to deteriorate.
Powered attic ventilators are the worst way to try to keep your attic cool.
An unventilated attic can reach 150 degrees in the heat of summer 50 degrees higher than it should be.
Fans work by pulling the hot air out of your home and transferring it to the outside but you need to make sure the attic is airtight to prevent cooled air from also being pulled from the rest of your home.
Cool air in hot air out.
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.
Attic fans are a great place to start to cool your attic.