Contact

Contact Home Energy Calculators to report a calculation, accessibility, or content issue.

Report an issue

Email [email protected] with the page URL, values entered, expected result, actual result, browser, and supporting source. Replace this address with an owner-controlled mailbox before launch.

What not to send

Do not send passwords, payment details, battery serial numbers, or other sensitive information.

Response scope

Messages may be reviewed for corrections, but this site cannot provide individualized electrical engineering or emergency advice.

Last reviewed: August 6, 2026