About Home Cost Wise
We help UK households understand appliance electricity costs before changing a routine or buying a replacement.
What you can use here
Our calculators turn power, energy-label figures and your own usage into daily, monthly and annual estimates. Buying guides explain capacity, installation, maintenance and ownership costs alongside an editable comparison. You can use the tools without creating an account.
How we work
We show the assumptions behind our arithmetic and link to official guidance, manufacturer specifications or manuals where relevant. Example figures are labelled as hypothetical. A manufacturer's claim is not treated as an independent test result, and a rating letter alone is not a recommendation.
We do not claim hands-on testing, invent customer reviews or publish made-up ratings. The 30-guide library is an unranked selection of appliance categories, not a verified national sales league table.
Read the calculation methodology · Read our guide selection method
How this service is funded
The tools are free to use. Approved affiliate offers, when available, are marked and may earn a commission. Advertising is currently disabled. Commercial relationships do not change the calculator arithmetic.
Affiliate and editorial disclosure
Corrections and contact
If you spot a calculation problem or an outdated source, include the page URL, the input figures and what you expected to see. Please avoid sending personal financial or account information.
Email: contact@aicowan.co.uk. This address also handles privacy enquiries.