FAQ

No. It's read in your browser with Tesseract.js. Only the numbers you choose to keep are used, and they stay on your device unless you make a share card or save a home with Pro.

No. Without it we use the approximate area of your internet connection for climate data. Add an address only if you want data for your own street.

It's a simplified estimate from public averages and your inputs, not an audit. The method page shows every formula, and you can change every input.

Your yearly waste estimate, the top three leaks and a link to a page listing the sources. It doesn't show your address.

Saved homes (up to 10), a printable report you can save as a PDF, and links to official rebate finders.

Yes, any time from your Gumroad receipt or library.