Scenario 1: Moderate Investment
Initial Investment Cost ($): 50,000; Annual Energy Savings ($): 1,500; Annual Maintenance Cost Difference ($) (Passive House vs. Conventional): -200
Total Annual Savings ($): 1,300; Payback Period (Years): 38.46153846
Passive House Savings Calculator
Construction0.0(0)
Calculates the payback period for a passive house investment by comparing initial costs with energy savings.
How To Use
How to use this calculator
Start with your values, or try a preset.
Step 1
Enter Initial Investment Cost ($), Annual Energy Savings ($), and Annual Maintenance Cost Difference ($) (Passive House vs. Conventional) in the units shown.
Step 2
Read Total Annual Savings ($) and Payback Period (Years) in the results panel. Results update as you change the inputs.
Step 3
Choose a preset to load an example, then adjust the values for your situation.
Worked Examples
Example calculations
See the inputs and their calculated results.
Scenario 2: High Investment, High Savings
Initial Investment Cost ($): 100,000; Annual Energy Savings ($): 3,000; Annual Maintenance Cost Difference ($) (Passive House vs. Conventional): -300
Total Annual Savings ($): 2,700; Payback Period (Years): 37.03703704
Scenario 3: Low Investment, Low Savings
Initial Investment Cost ($): 30,000; Annual Energy Savings ($): 1,000; Annual Maintenance Cost Difference ($) (Passive House vs. Conventional): -100
Total Annual Savings ($): 900; Payback Period (Years): 33.33333333
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