Insulation level are specified by r value.
Energy star insulation attic.
About attic ventilation natural attic ventilation.
The higher the r value the better the thermal performance of the insulation.
Combined with attic air sealing it can also help to alleviate the formation of dangerous ice dams in the winter.
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.
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.
Now that you ve air sealed your attic and basement check your attic insulation levels and add more if necessary.
By adding insulation in your attic you can maintain the desired temperature throughout your home much better.
Air seal attic leaks and install attic insulation for a more comfortable energy efficient home.
The attic is usually where you can find some of the largest opportunities to save energy in your home.
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.