Regardless of how much insulation you have in your attic adding rb will save on your heating and cooling expense and keep you much more comfortable.
Energy savings from attic insulation.
You might be very aware of your energy expenses in the living areas of your home but it s important to pay attention to the attic too or all your hard work could literally blow out the roof.
Epa estimates that homeowners can save an average of 15 on heating and cooling costs or an average of 11 on total energy costs by air sealing their homes and adding insulation in attics floors over crawl spaces and accessible basement rim joists.
You can do it yourself for about 500.
Methodology for estimated energy savings from cost effective air sealing and insulating.
Understanding attic insulation types and energy savings.
Energy savings for heating and cooling can vary from 17 to 25 depending on a number of factors including climate building configuration materials used site family size and lifestyle.
How much does attic insulation cost.