Insulation savings calculator use this insulation savings calculator to measure the financial impact of increasing your insulation performance.
Savings due to roof insulation.
Upgrade from r to r h ft f btu details of comparison.
The savings and payback vary substantially depending on the existing level of insulation but are typically between 5 20 years.
After that you will have a good picture of what your house lost in energy through the year.
In order to get a reasonable answer one must do some testing and compare to the energy used by the house with local weather.
For a system that generally costs between 2 3 per square foot you can see that it won t take long to recoup your costs through energy savings.
Enter your data into the fields where indicated.
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.
It is not easy to calculate.
If the roof is not being replaced for other reasons it is typically not cost effective to add insulation.
Net savings ft per year cooling savings ft per year heating savings heating penalty if negative ft per year insulation in black roof to yield same annual energy savings.
Square feet of house or area to be insulated current and desired r value for insulation and type and cost of your energy.