What does it cost to run?

Choose an appliance, start with a typical wattage and runtime, then replace those values with the numbers from your home.

387 editable cost checks across 9 household categories.

Cooling

Compare room and whole-home cooling using the hours your fan or compressor actually runs.

See how resistance heat, heat-pump runtime, and colder weather change the total.

Estimate long-running fans and compressors without counting every plugged-in hour as full power.

Check refrigeration and cooking loads, including appliances that cycle on and off.

Turn loads per week and cycle length into a monthly washing and drying estimate.

Calculate the energy behind showers, dishwashing, laundry, and tank standby losses.

Estimate home EV charging from charging power and active hours.

Budget for seasonal pumps whose runtime changes with weather, water, and maintenance.

Compare active, idle, and entertainment hours for computers, displays, and home media.

Example costs use the U.S. residential average of 18.83¢/kWh fromEIA data for April 2026, retrieved July 16, 2026.