About WattNote and sharing resources

An independent web tool for comparing appliance energy and ownership costs from your own assumptions.

Who operates this service?

The site operator can be contacted at the email below. This is not an official manufacturer or utility service and makes no professional accreditation or partnership claim. conicalwoo@gmail.com

A short introduction to share

Compare appliance electricity costs and 5- or 10-year ownership costs with WattNote. Enter your own rate; records stay in this browser.

Electricity calculators Repair / replace guide Method and limits

You can link to these tools in articles and resources. The image below may be used to introduce WattNote. No user records are included.

WattNote — Know what your home really costs.

Embed a calculator

Paste this HTML into your site. The English widget does not store inputs or send analytics. Increase the height for narrow layouts.

<iframe src="https://wattnote.app/embed.html" title="WattNote electricity calculator" width="100%" height="760" loading="lazy" sandbox="allow-scripts allow-popups allow-popups-to-escape-sandbox"></iframe>