Appliance energy usage
How much does it cost per year to operate your appliances?
You'll find the average annual operating costs for many of your appliances in this table.
- These costs are based on an average residential service rate of $0.0743 a kilowatt-hour,
an average off peak water heating rate of 0.0445, and an average off-peak rate of $0.0384 a kilowatt-hour. - Your actual price may vary by your state and by the tariff rate you are on.
- All cost calculations are rounded to the nearest $.01.
- The cost to operate any appliance can be calculated with this formula:
Operating cost= wattage/ 1,000 x hours used x cost/killowatt-hour
| Operation and cost per cooling season | ||||||||
Appliances
|
Approx. average wattage | Low hours of use |
High hours of use |
Low kilowatt-hours | High kilowatt-hours | Low cost |
High cost |
|
| Air conditioner | ||||||||
| room | 6,000 Btu | 750 | 120 | 720 | 90 | 540 | $6.48 | $38.88 |
| room | 9,000 Btu | 1,050 | 120 | 720 | 126 | 756 | $9.07 | $54.43 |
| central older | 8.5 SEER 2.5 ton | 3,500 | 240 | 860 | 840 | 3010 | $60.48 | $216.72 |
| Air-source heat pump (12 SEER 2.5 ton) | 3,500 | 240 | 860 | 840 | 3010 | $27.72 | $99.33 | |
| off-peak | ||||||||
| Monthly | ||||||||
| Air cleaner (room and furnace) | 40 | 250 | 720 | 10 | 29 | $0.72 | $2.07 | |
| Barbecue grill | 1,350 | 5 | 10 | 7 | 14 | $0.49 | $0.97 | |
| Baseboard heater (4 ft., 250 watts/ft.) | 1000 | 100 | 200 | 100 | 200 | $7.20 | $14.40 | |
| Blanket | 180 | 30 | 90 | 5 | 16 | $0.39 | $1.17 | |
| Blender | 390 | 3 | 5 | 1 | 2 | $0.08 | $0.14 | |
| Block heater | 500 | 120 | 480 | 60 | 240 | $4.32 | $17.28 | |
| Broiler | 3,000 | 4 | 12 | 12 | 36 | $0.86 | $2.59 | |
| Ceiling fan | 100 | 15 | 330 | 2 | 33 | $0.11 | $2.38 | |
| Clock | 5 | 720 | 720 | 4 | 4 | $0.26 | $0.26 | |
| Clothes dryer | 5,000 | 6 | 28 | 30 | 140 | $2.16 | $10.08 | |
| Clothes dryer - off-peak rate | $0.99 | $4.62 | ||||||
| Clothes washer | 500 | 7 | 40 | 4 | 20 | $0.25 | $1.44 | |
| Coffee maker | 1000 | 4 | 30 | 4 | 30 | $0.29 | $2.16 | |
| Computer with monitor and printer | 200 | 25 | 160 | 5 | 32 | $0.36 | $2.30 | |
| Dehumidifier | 350 | 120 | 720 | 42 | 252 | $3.02 | $18.14 | |
| Dishwasher | 1,800 | 8 | 40 | 14 | 72 | $1.04 | $5.18 | |
| Drill | 300 | 3 | 7 | 1 | 2 | $0.06 | $0.15 | |
| DVD player | 40 | 50 | 200 | 2 | 8 | $0.14 | $0.58 | |
| Fan (portable) | 115 | 18 | 52 | 2 | 6 | $0.15 | $0.43 | |
| Freezer (15 cubic feet) | 335 | 180 | 420 | 60 | 141 | $4.34 | $10.13 | |
| (20 cubic feet - chest) | 350 | 180 | 420 | 63 | 147 | $4.54 | $10.58 | |
| Frying pan | 1,150 | 10 | 20 | 12 | 23 | $0.83 | $1.66 | |
| Furnace fan motor | ||||||||
| intermittent | 350 | 160 | 415 | 56 | 145 | $4.03 | $10.46 | |
| continuous | 350 | 720 | 720 | 252 | 252 | $18.14 | $18.14 | |
| Heat recovery air exchanger | 125 | 300 | 720 | 38 | 90 | $2.70 | $6.48 | |
| Heater (portable) | 1,500 | 30 | 90 | 45 | 135 | $3.24 | $9.72 | |
| Hot tub | ||||||||
| 4-person, circulating pump | 1,500 | 30 | 45 | 45 | 68 | $3.24 | $4.86 | |
| 4-person, inside, 120-volt heater | 1,500 | 120 | 180 | 180 | 270 | $12.96 | $19.44 | |
| 4-person, outside, 120-volt heater | 1,500 | 90 | 540 | 135 | 810 | $9.72 | $58.32 | |
| 4-person, inside, 240-volt heater | 6,000 | 30 | 45 | 180 | 270 | $12.96 | $19.44 | |
| 4-person, outside, 240-volt heater | 6,000 | 90 | 135 | 540 | 810 | $38.88 | $58.32 | |
| Humidifier (portable) | 100 | 80 | 540 | 8 | 54 | $0.58 | $3.89 | |
| Iron | 1,000 | 1 | 10 | 1 | 10 | $0.07 | $0.72 | |
| Lawn mower | 1,500 | 2 | 4 | 3 | 6 | $0.22 | $0.43 | |
| Lighting | ||||||||
| Incandescent (60w) | 60 | 17 | 200 | 1 | 12 | $0.07 | $0.86 | |
| Compact fluorescent (60watt equivalent) | 18 | 17 | 200 | 0.3 | 4 | $0.02 | $0.26 | |
| Chandelier - 5 lamp | 300 | 10 | 183 | 3 | 55 | $0.22 | $3.95 | |
| Fluorescent (2 - 4-foot tubes) | 100 | 10 | 200 | 1 | 20 | $0.07 | $1.44 | |
| Microwave oven | 1,500 | 5 | 30 | 8 | 45 | $0.54 | $3.24 | |
| Power saw | 275 | 2 | 4 | 0.6 | 1.1 | $0.04 | $0.08 | |
| Range | ||||||||
| Oven | 3,500 | 10 | 50 | 35 | 175 | $2.52 | $12.60 | |
| Small element | 1,200 | 10 | 50 | 12 | 60 | $0.86 | $4.32 | |
| Large element | 2,300 | 10 | 50 | 23 | 115 | $1.66 | $8.28 | |
| Self-cleaning cycle only | 3,200 | 10 | 50 | 32 | 160 | $2.30 | $11.52 | |
| Refrigerator-freezer | ||||||||
| frost-free 16-18 cu. ft. | 400 | 150 | 300 | 60 | 120 | $4.32 | $8.64 | |
| not frost-free 10-15 cu. ft. | 300 | 190 | 300 | 57 | 90 | $4.10 | $6.48 | |
| side by side | 780 | 190 | 300 | 148 | 234 | $10.67 | $16.85 | |
| Sewing machine | 75 | 4 | 14 | 0.3 | 1 | $0.02 | $0.08 | |
| Stereo | 30 | 1 | 170 | 0.03 | 5 | $0.01 | $0.37 | |
| Sun lamp | 280 | 1 | 4 | 0.3 | 1 | $0.02 | $0.08 | |
| Television - color | ||||||||
| CRT 27" | 170 | 60 | 440 | 10 | 75 | $0.73 | $5.39 | |
| CRT 32" | 200 | 60 | 440 | 12 | 88 | $0.86 | $6.34 | |
| LCD 32" | 125 | 60 | 440 | 8 | 55 | $0.56 | $4.09 | |
| Plasma 42" | 280 | 60 | 440 | 17 | 123 | $1.25 | $9.15 | |
| Rear projection 55" | 300 | 60 | 440 | 18 | 132 | $1.34 | $9.81 | |
| TiVO | 30 | 720 | 720 | 22 | 22 | $1.60 | $1.60 | |
| Toaster | < | |||||||