September 6, 2026 · homeowner, renter, buyer
How to calculate what an appliance costs to run
Calculate an appliance's running cost from its wattage, hours of use, unit rate, and billing period.
Topic cluster
Energy
Compare the inputs behind electricity, heating, and household energy costs.
September 4, 2026 · homeowner, renter, buyer
Estimating the cost of heating a home
Build a heating estimate from the system, useful heat, efficiency, fuel rate, period, and a low and high case.
September 5, 2026 · homeowner, renter, buyer
Understanding the fixed and variable parts of a home energy bill
Separate standing charges, usage, and dated tariff inputs before comparing an energy bill or plan.