Your home
Your savings
0.0%
Annual savings breakdown
| Component | How | $/yr |
|---|---|---|
| Total | $0 | |
Monthly energy (before vs after)
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Insurance
Current: 10%
Energy
Current: 15%
Security/weather
Door & Window Cost
Also used for Replacement avoidance at 1/10th per year.
How this works
- ROI (%) = (Net Annual Savings ÷ Total System Cost) × 100
- Energy = Annual bill × savings % (typ. 10–20%)
- Insurance = Premium × discount % (typ. 5–15%)
- Replacement avoidance = (Windows×$price_window + Doors×$price_door) ÷ 10 i Uses the current Door & Window Cost values for windows and doors, divided by 10 to approximate an annualized refresh/avoidance benefit.
- Security/Weather = flat $/yr (editable)
Energy data based on zip code
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