This is why most people think they have insulation in their attics.
Will more attic insulation help with cooling.
The attic is the easiest place to add insulation to improve your comfort and the energy efficiency of your home.
Unless your roofing system has insulation on the roofing deck and is designed without ventilation your furnace should not be heating your attic.
As warm air rises it hits the insulation and stays put.
Now that you ve air sealed your attic and basement check your attic insulation levels and add more if necessary.
You re more comfortable and you can afford to pay your heating bill.
Roofing materials often absorb the sun especially metal sheeting or asphalt shingles.
Poor insulation is usually the culprit although if you enter the attic on sunny winter day your attic space can be warmed by the sun more than your furnace.
To understand how attic insulation helps keep your home cool in the summer months you first have to be aware of the ways a poorly insulated attic can make your house hot.
I live in the desert of southern california so it can get pretty hot in the summer 110 f is not uncommon.
For diy attic insulation you ve got two choices.
Ok so attic insulation is good during the winter.
But insulation is also there to keep you comfortable in summer.
Loose fill or batt the common term for blanket insulation.