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Contact

Published by WattDollar  ·  Last reviewed 20 August 2026  ·  Next review 20 February 2027

There is no contact form, because a contact form means collecting your details. Email works.

Who to write to

SubjectAddress
A figure looks wrongcorrections@watt-dollar.com — see the corrections policy
General enquiries, press, feedbackownership@watt-dollar.com
Partnerships, embedding, advertisingownership@watt-dollar.com — see partners
Security vulnerabilitiessecurity@watt-dollar.com — see security.txt
Privacy questions and requestsownership@watt-dollar.com — see the privacy notice

What to expect

We aim to reply within five working days. A correction that we can reproduce is usually fixed in the next deploy; one we cannot reproduce gets a reply asking for the detail we are missing, not silence.

What we do with your email

We read it and reply to it. We do not add you to a mailing list — there isn't one — and we do not pass it on. See the privacy notice.

WattDollar gives planning estimates, not utility quotes, engineering calculations or a guarantee of savings. Wattages are typical figures — check the label on your appliance and the per-kWh price on your bill for your own numbers.

The calculator runs in your browser and we run no server that stores what you enter, though a share link you create carries your figures in its address. Your rate and appliance list are saved in your browser's local storage so the page remembers them; the site carries Google ads, and Cloudflare serves it. The privacy notice has the detail.

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