What appliances cost to run
Pick an appliance for a dedicated calculator, a cost table for all 50 states and practical ways to reduce what it costs you.
Space heater1,500 W · $0.27/hour · $65.92/monthWindow air conditioner900 W · $0.16/hour · $39.55/monthCentral air conditioner3,500 W · $0.64/hour · $153.80/monthRefrigerator150 W · $0.03/hour · $6.59/monthClothes dryer3,000 W · $0.55/hour · $12.08/monthElectric car charger7,200 W · $1.32/hour · $59.32/monthDehumidifier500 W · $0.09/hour · $32.96/monthElectric water heater4,500 W · $0.82/hour · $74.16/monthGaming PC400 W · $0.07/hour · $8.79/monthTV100 W · $0.02/hour · $2.75/monthHot tub1,500 W · $0.27/hour · $32.96/monthCeiling fan50 W · $0.01/hour · $3.30/month
Ranked by typical monthly cost
Typical wattage and daily use, at the U.S. average residential price of 18.31¢ per kWh (July 2026).
| Appliance | Typical power | Daily use | Per hour | Per month |
|---|---|---|---|---|
| Central air conditioner | 3,500 W | 8 h | $0.64 | $153.80 |
| Electric water heater | 4,500 W | 3 h | $0.82 | $74.16 |
| Space heater | 1,500 W | 8 h | $0.27 | $65.92 |
| Electric car charger | 7,200 W | 1.5 h | $1.32 | $59.32 |
| Window air conditioner | 900 W | 8 h | $0.16 | $39.55 |
| Dehumidifier | 500 W | 12 h | $0.09 | $32.96 |
| Hot tub | 1,500 W | 4 h | $0.27 | $32.96 |
| Clothes dryer | 3,000 W | 1 h | $0.55 | $12.08 |
| Gaming PC | 400 W | 4 h | $0.07 | $8.79 |
| Refrigerator | 150 W | 8 h | $0.03 | $6.59 |
| Ceiling fan | 50 W | 12 h | $0.01 | $3.30 |
| TV | 100 W | 5 h | $0.02 | $2.75 |
Do not see yours? The main calculator works for anything with a wattage label.