Insulation Savings Calculator
Estimate annual heating and cooling savings from upgrading home insulation based on R-value improvement.
USD
R
R
USD
Annual Savings
1,421 USD
Energy Reduction71.1 %
Payback Period1.8 years
10-Year Net Savings11,711 USD
Annual Savings vs Annual Heating & Cooling Cost
How to Calculate Insulation Savings
Insulation reduces heat transfer, lowering the energy needed for heating and cooling.
Formula
Efficiency Gain = 1 - (Current R-Value / New R-Value)
Annual Savings = HVAC Cost * Efficiency Gain
Recommended R-Values (US)
Example Calculation
Upgrade attic insulation from R-11 to R-38 with $2,000/year HVAC costs and $2,500 upgrade cost.
- 01Efficiency gain: 1 - 11/38 = 1 - 0.289 = 71.1%
- 02Annual savings: $2,000 * 0.711 = $1,421
- 03Payback: $2,500 / $1,421 = 1.8 years
- 0410-year net savings: $1,421 * 10 - $2,500 = $11,710