Insulation Calculator
Calculate insulation costs, energy savings, and payback period. Determine the best insulation for your home.
InputsLive
sq ft
$
$
%
Results
Total Insulation Cost
$2,500.00
Annual Energy Savings$360.00
Payback Period6.9 years
How to Use This Calculator
- Enter the total area to insulate in square feet (attic floor, wall cavity, etc.).
- Set the target R-value — higher values mean more thermal resistance (R-30 is typical for attics).
- Enter the cost per square foot from your insulation contractor or supplier.
- Input your current annual heating cost and the expected energy savings percentage.
- Read the total insulation cost, annual savings, and payback period in years.
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