R value is a measure of insulation s ability to resist heat traveling through it.
Energy star insulation attic.
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.
Now that you ve air sealed your attic and basement check your attic insulation levels and add more if necessary.
The table below shows what levels of insulation are cost effective for different climates and locations in the home.
The attic is usually where you can find some of the largest opportunities to save energy in your home.
The higher the r value the better the thermal performance of the insulation.
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.
About attic ventilation natural attic ventilation.
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.
Combined with attic air sealing it can also help to alleviate the formation of dangerous ice dams in the winter.