Savings Due To Roof Insulation

Knowing the cost of energy and the cost of the insulation upgrade you can calculate the rate of return on your investment in insulation.

Savings due to roof insulation.

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. After that you will have a good picture of what your house lost in energy through the year. 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.

Square feet of house or area to be insulated current and desired r value for insulation and type and cost of your energy. In order to get a reasonable answer one must do some testing and compare to the energy used by the house with local weather. According to the epa you can expect net annual savings of just under 50 cents per square foot of roof. Enter your data into the fields where indicated.

It is not easy to calculate. 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. Upgrade from r to r h ft f btu details of comparison.