*The age of an appliance when it is replaced because it cannot be repaired or costs too much to repair. (This does not imply the appliance will be without repair during its lifetime.)
Source: Association of Home Appliance Manufacturers
Major home appliances -- Conventional vs. Energy Star
Equipment
Typical wattage
Hours in use(per month)
kwh/month*
Est. monthly cost
Air Conditioner: Central (30,000 BTU)
Conventional SEER 7.5
4,000
180
720
$70.92
Conventional SEER 10
3,000
180
540
$53.19
Energy Star SEER 13
2,300
180
414
$40.78
Air Conditioner: Room (8,000 BTU)
Conventional SEER 7.5
1,070
180
193
$19.01
Conventional SEER 10
800
180
144
$14.18
Energy Star SEER 11
730
180
131
$12.90
Clothes dryer
5,500
16
88
$8.67
Clothes washer Conventional
25 loads/month
(Electric water heater)
NA
NA
68
$6.70
Clothes washer
Energy Star
25 loads/month
(Electric water heater)
NA
NA
29
$2.86
Clothes washer Conventional
25 loads/month (Gas water heater)
NA
NA
$2.60
Clothes washer
Energy Star
25 loads/month (Gas water heater)
NA
NA
$1.11
Dehumidifier Conventional (40 pint)
900
240
216
$21.28
Dehumidifier Energy Star (40 pint)
600
240
144
$14.18
Dishwasher Conventional
(one load per day, not including hot water)
2,000
25
58
$5.71
Dishwasher
Energy Star
(one load per day, not including hot water)
1,800
25
46
$4.53
Fan -- ceiling
100
250
25
$2.46
Fan -- ceiling Energy Star
40
250
10
$0.99
Fan -- window
200
150
30
$2.96
All
of the above calculated at 9.85 cents
per kwht
*The amount of electricity used is measured as a kilowatt hour, which is equal to one kilowatt (or 1,000 watts) of electricity used steadily for one hour. For example, 10 100-watt light bulbs, left on for one hour, would use one kilowatt hour (or 1,000 watts) of electricity.
