What does it cost to run?
Choose an appliance, start with a representative wattage and runtime, then replace either value with the numbers from your home.
21 editable cost checks across 9 household categories.
Cooling
Compare room and whole-home cooling costs using realistic daily compressor hours.
Heating
See how resistance heat, heat-pump runtime, and cold-weather use change the total.
Air quality
Estimate long-running fans and compressors without treating every plugged-in hour as full power.
Kitchen
Check everyday refrigeration and cooking loads, including appliances that cycle on and off.
- Refrigerator150 W · 8 hours/day starting pointStarting estimate$6.78/mo
- Chest Freezer100 W · 8 hours/day starting pointStarting estimate$4.52/mo
- Dishwasher1,800 W · 1 hour/day starting pointStarting estimate$10.17/mo
- Electric Oven2,400 W · 1 hour/day starting pointStarting estimate$13.56/mo
- Microwave Oven1,200 W · 0.25 hours/day starting pointStarting estimate$1.69/mo
Laundry
Turn loads per week and cycle length into a useful monthly washing and drying estimate.
Water heating
Calculate the energy behind showers, dishwashing, laundry, and tank standby losses.
Electric vehicles
Use charging power and active hours as a starting point for at-home EV energy costs.
Pumps & outdoor
Budget for seasonal pumps whose runtime changes with weather, water, and maintenance.
Electronics
Compare active, idle, and entertainment hours for computers, displays, and home media.
Starting costs use the U.S. residential average of 18.83¢/kWh fromEIA data for 2026-04.