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Focus & lifeHome Solar Payback Calculator
See if rooftop solar pays off for you: enter system size, installed cost, rebates, local sun hours and your electricity rate, and get yearly production, savings, payback years and 25-year return.
$8
Who it's for: homeowners deciding whether rooftop solar is worth it.
Buy · $8 Try free preview →Secure checkout on Gumroad · one-time, no subscription · open the free preview
- Production from sun hours and losses
- Payback year with rising rates
- 25-year savings
- Panel degradation included
- Works in your browser, saves automatically, no account or download
Try it free, then buy when you are ready
- Try it now: open the free preview of Home Solar Payback Calculator — it works in your browser, no account.
- Buy on Gumroad: $8 one-time, no subscription.
- Delivery: you get an Open link — tap it and the kit opens. No ZIP files, no installs. Bookmark it or Add to Home Screen.
FAQ
Where do I pay? Checkout is on Gumroad, one-time in USD. Your receipt has an Open link to the kit, so you can bookmark it or Add to Home Screen.
Do I need to download anything? No. Everything opens in your web browser on phone, tablet or computer, with large readable text and print-friendly pages.
Is it really one-time? Yes — $8 once, keep it.
Questions? Ask us or email [email protected].
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