The short version: email hello@blackoutcalc.com with questions about Blackout Calc or to report an error. We cannot provide personal electrical advice or individual product recommendations.
How to reach us
Email hello@blackoutcalc.com. There is no contact form or phone support.
Report a wrong figure
If an appliance value or calculator result looks wrong, include:
- The appliance name and model, if known.
- The figure shown and the value you think is right, including units such as W or Wh.
- A source, such as a photo of the rating label or a manufacturer specification link.
- For a calculation error, the inputs you used and the result you expected. A Copy link from the calculator carries all of them.
What we can help with
Use this email for site questions, errors and feedback. We cannot provide personal electrical advice, approve an installation or recommend products beyond the calculator's guidance. Ask a licensed electrician about your home's wiring and backup power connections.