Insulation level are specified by r value.
Energy star insulation attic.
The attic is usually where you can find some of the largest opportunities to save energy in your 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.
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.
The higher the r value the better the thermal performance of the insulation.
By adding insulation in your attic you can maintain the desired temperature throughout your home much better.
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.
The attic is the easiest place to add insulation to improve your comfort and the energy efficiency of 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.