Wall Insulation Energy Savings Calculator

Methodology for estimated energy savings from cost effective air sealing and insulating.

Wall insulation energy savings calculator.

While retrofitting exterior wall insulation can be difficult it can yield significant energy savings as well as enhanced comfort. Knowing the cost of energy and the cost of the insulation upgrade you can calculate the rate of return on your investment in insulation. Enter your data into the fields where indicated. Properly insulating your home can save you up to 20 on your energy bills year after year.

Square feet of house or area to be insulated current and desired r value for insulation and type and cost of your energy. This interactive calculator does these calculations for you letting you quickly and easily investigate the cost effectiveness of various insulation upgrades. Insulation level are specified by r value. Many older homes have little or no exterior wall insulation resulting in unnecessarily high heating and cooling energy costs.

Drill holes in the sheathing and blow insulation into the empty wall cavity before installing the new siding and. The higher the r value the better the thermal performance of the insulation. Use the calculator below to see how much savings our premium insulation products and services can bring your household. To see what this can mean to you please enter your current energy bill in the box below.

We also realize there are other costs for you to take into consideration before making a decision as a homeowner. Insulation savings calculator use this insulation savings calculator to measure the financial impact of increasing your insulation performance. R value is a measure of insulation s ability to resist heat traveling through it. I think michael blasnik typically includes this mistake in his presentations of why predicted energy savings are so often over estimated though i can t find a link at the moment.

The table below shows what levels of insulation are cost effective for different climates and locations in the home. 1 selecting no insulation r 1 for the existing conditions leads to a gross over estimate of the energy savings. Add r5 to r6 insulative wall sheathing beneath the new siding. 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.

Add r5 insulative wall sheathing beneath the new siding. The roof savings calculator was developed as an industry consensus roof savings calculator for commercial and residential buildings using whole building energy simulations.