Common Energy Usage
If you're trying to decide whether to invest in a more energy-efficient appliance or you'd like to determine your electricity loads, you may want to estimate appliance energy consumption. The chart below is an example of "typical" appliance usage. For more information on how to estimate appliance and home electronic energy use, visit the U.S. Department of Energy website.
|
Typical wattage |
Estimated hrs. used per month |
Estimated monthly kWh |
Costper month at $.08/kWh | |
| Air conditioner (central) |
3,000 |
100 |
300 |
$24.00 |
| Air conditioner (room) |
1,000 |
360 |
360 |
28.80 |
| Blanket |
150 |
120 |
18 |
1.44 |
| Clothes dryer |
5,000 |
16 |
80 |
6.40 |
| Clothes washer (not including hot water) |
300 |
16 |
5 |
.40 |
| Computer |
150 |
240 |
36 |
2.88 |
| Dehumidifier |
250 |
240 |
60 |
4.80 |
| Dishwasher (not including hot water) |
1,200 |
25 |
30 |
2.40 |
| Freezer (frostless 15 cu. ft.) |
440 |
334 |
147 |
11.76 |
| Hot tub/spa heater |
1,800 |
40 |
72 |
5.76 |
| Hair dryer |
1,000 |
5 |
5 |
.40 |
| Iron |
1,000 |
12 |
12 |
.96 |
| Microwave oven |
1,500 |
10 |
15 |
1.20 |
| Mixer |
100 |
10 |
1 |
.08 |
| Oxygen Concentrator | 350 | 24 | 252 | 20.16 |
| Radio |
25 |
60 |
2 |
.16 |
| Range with oven |
12,200 |
8 |
100 |
8.00 |
| Refrigerator/freezer (14 cu. ft.) |
320 |
290 |
93 |
7.44 |
| Refrigerator/freezer (frostless) |
615 |
250 |
154 |
12.32 |
| Space heater |
1,500 |
360 |
540 |
43.20 |
| TV Color (4hrs/day) | 110 |
120 |
19 | 1.52 |
| TV Plasma (4 hrs/day | 340 | 120 | 40 | 3.20 |
| Toaster |
1,400 |
3 |
4 |
.32 |
| Vacuum cleaner |
650 |
6 |
4 |
.32 |
| Water heater (varies widely) |
4,500 |
89 |
400 |
32.00 |
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