Independent calculators and guides

Independent calculators and guides

Small independent sites: electricity and heating cost calculators for US and Great Britain households. Everything runs in your browser; your inputs are never sent to a server.

Below you can see what each site does and which data it uses.

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Plain Watts (/energy/)
What an appliance costs to run, where an electric bill goes, heat pump versus furnace, and whether an insulation quote pays back (US and Great Britain)
Data source: EIA, Ofgem and ENERGY STAR pages. Each rate is dated and its source is listed on the site

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