The higher the r value the better the thermal performance of the insulation.
Energy star insulation attic.
The attic is usually where you can find some of the largest opportunities to save energy in your home.
Sealing air leaks around your home and adding insulation can help your home be more comfortable and energy efficient and provide up to a 10 savings on your annual energy bills simple fixes include installing weather stripping on doors and caulking around windows while bigger jobs might include sealing leaks and adding insulation in your attic.
Now that you ve air sealed your attic and basement check your attic insulation levels and add more if necessary.
About attic ventilation natural attic ventilation.
At first it may seem odd to add insulation for warmth and then purposely allow cold air to enter the attic through vents but this combination is the key to a durable and energy efficient home.
Combined with attic air sealing it can also help to alleviate the formation of dangerous ice dams in the winter.
Air seal attic leaks and install attic insulation for a more comfortable energy efficient home.
Learn how to measure attic insulation get solutions and save energy with energy star with diy home improvement ideas or by working with a contactor.
Insulation level are specified by r value.
R value is a measure of insulation s ability to resist heat traveling through it.