Appliance Energy Efficiency

The chart below shows estimated energy costs for electrical appliances.

CategoryDetailEstimated Energy Usage*Estimated Energy Costs**
HeatingElectric space heating  
 Portable heater (1500W)1.5 kWh/hr$0.17/hr
 Baseboard heater (six foot unit) (250 W/foot)1.5 kWh/hr$0.17/hr
 Heat Pump heat strips10 kWh/hr w/fan$1.10/hr
 Electric Furnace10.5 kWh/hr w/fan$1.16/hr
 Heat Pump w/o heat strips (1.8 COP)***  
 1.5 ton2.93 kWh/hr$0.32/hr
 5.0 ton9.77 kWh/hr$1.07/hr
 
Air Conditioning/ CoolingWindow/wall (8kBtu) (120V-12 EER)0.73 kWh/hr$0.08/hr
 Window/wall (18kBtu) (240V)1.8 kWh/hr$0.20/hr
 Central (3 ton-12 SEER)3.0 kWh/hr$0.33/hr
 Whole house fan0.2-0.4 kWh/hr$0.03 - $0.05/hr
 Portable fan0.03 kWh/hrLess than $0.03/hr
 Ceiling fan0.075 kWh/hr$0.01/hr
 
Water HeatingElectric water heater380 - 500 kWh/mo$41.00 - $55.00/mo
(All uses)Instantaneous (110 v 29 amp) @1gpm 70'F380 - 500 kWh/mo$41.00 - $55.00/mo
 Instantaneous (240 v 50 amp) @2.5 gpm 83'F12 kWh/hr$1.32/hr
 
KitchenElectric Range  
 Oven2.3 kWh/hr$0.25/hr
 Oven: Surface1-1.5 kWh/hr$0.11 - $0.17/hr
 Oven: Self-cleaning feature6 kWh/hr cleaning$0.66/hr
 Microwave oven0.12 kWh/5 min$0.01/5 min
 Broiler, portable electric1.5 kWh/hr$0.17/hr
 Coffee maker0.12 kWh/brew$0.01/brew
 Coffee maker/brew, warmer on0.4 kWh/hr$0.04/hr
 Dishwasher: normal cycle (not including hot water)1 - 2.17 kWh/load$0.11 - $0.24/load
 Dishwasher: Energy saver cycle0.5 kWh/load$0.06/load
 Toaster (2 slices)0.04 kWh/use$0.01/hr
 Toaster oven0.75 kWh/hr$0.08/hr
 Waffle iron, 4 servings0.33 kWh/use$0.04/use
 
Refrigerator/FreezerOlder units  
 Refrigerator (frost-free), 15 cu. Ft. (1996 unit)150 kWh/mo$16.50/mo
 Freezer (manual defrost), 15 cu. Ft. (1996 unit)90 kWh/mo$9.90/mo
 Newer units  
 Refrigerator, 1.7 cu. Ft.30 kWh/mo$3.30/mo
 Energy Star Refrigerator, 14 cu. Ft.43 kWh/mo$4.73/mo
 Energy Star Refrigerator (frost-free), 14 cu. Ft.57 kWh/mo$6.27/mo
 Energy Star Refrigerator (frost-free), 17 cu. Ft.73 kWh/mo$8.03/mo
 Energy Star Refrigerator (frost-free), 19 cu. Ft.80 kWh/mo$8.80/mo
 Energy Star Refrigerator (Side by Side) 21 cu. Ft.123 kWh/mo$13.53/mo
 Energy Star Refrigerator (frost-free) 24 cu. Ft.102 kWh/mo$11.22/mo
 Energy Star Refrigerator (Side by Side) 25 cu. Ft.132 kWh/mo$14.52/mo
 
ElectronicsTelevision  
 > 50" Plasma0.48 kWh/hr$0.05/hr
 40" - 49" Plasma0.4 kWh/hr$0.04/hr
 > 50" LCD0.22 kWh/hr$0.02/hr
 40" - 49" LCD0.15 kWh/hr$0.02/hr
 > 50" DLP0.24 kWh/hr$0.03/hr
 40" - 49" DLP0.2 kWh/hr$0.02/hr
 30" - 36" Tube0.12 kWh/hr$0.01/hr
 25" - 27" Tube0.09 kWh/hr$0.01/hr
 Recording/Video Playing Devices  
 DVR28.8 kWh/mo$3.17/mo
 VCR0.02 kWh/hrLess than $0.01/hr
 DVD player0.03 kWh/hrLess than $0.01/hr
 Gaming  
 Nintendo Wii0.02 kWh/hrLess than $0.01/hr
 Xbox 3600.15 kWh/hr$0.02/hr
 Play Station 30.21 kWh/hr$0.02/hr
 Computers  
 Desktop Computer0.06 - 0.25 kWh/hr$0.01 - $0.03/hr
 Desktop Computer on sleep/standby mode0.001 - 0.006 kWh/hrLess than $0.01/hr
 Laptop0.02 - 0.05 kWh/hrLess than $0.01/hr
 Monitor - 17" LCD0.04 kWh/hrLess than $0.01/hr
 Other  
 Speakers (25 Watts x 2) normal volume0.05 kWh/hrLess than $0.01/hr
 Stereo0.05 kWh/hrLess than $0.01/hr
 Radio, CD player0.02 kWh/hrLess than $0.01/hr
 
LightingIncandescent bulbs  
 Incandescent bulb (40 W)0.04 kWh/hrLess than $0.01/hr
 Incandescent bulb (60 W)0.06 kWh/hr$0.01/hr
 Incandescent bulb (75 W)0.08 kWh/hr$0.01/hr
 Incandescent bulb (100 W)0.1 kWh/hr$0.01/hr
 Incandescent bulb (150 W)0.15 kWh/hr$0.02/hr
 Compact fluorescent (CFL)  
 Compact fluorescent (8 W) equivalent to 25 W incandescent0.008 kWh/hrLess than $0.01/hr
 Compact fluorescent (11 W) equivalent to 40 W incandescent0.01 kWh/hrLess than $0.01/hr
 Compact fluorescent (15 W) equivalent to 60 W incandescent0.015 kWh/hrLess than $0.01/hr
 Compact fluorescent (20 W) equivalent to 75 W incandescent0.02 kWh/hrLess than $0.01/hr
 Compact fluorescent (27 W) equivalent to 100 W incandescent0.027 kWh/hrLess than $0.01/hr
 Compact fluorescent (38 W) equivalent to 150 W incandescent0.038 kWh/hrLess than $0.01/hr
 Halogen  
 Halogen (300 W)0.3 kWh/hr$0.03/hr
 
LaundryClothes dryer (light load vs. heavy load)2.5 - 4 kWh/load$0.28 - $0.44/hr
 Electric heated water  
 Warm Wash, cold rinse2.3 kWh/load$0.25/load
 Hot wash, warm rinse6.3 kWh/load$0.69/load
 
Household GoodsVacuum cleaner0.75 kWh/hr$0.08/hr
 Iron1.08 kWh/hr$0.12/hr
 Clock2 - 4 kWh/mo$0.22 - $0.44/mo
 Night light (4w on 12-hours/day)1.44 kWh/mo$0.16/mo
 Electric Blanket: Twin0.5 kWh/night$0.06/night
 Electric Blanket: Double/Queen0.75 kWh/night$0.08/night
 Electric Blanket: King1 kWh/night$0.11/night
 Aquarium0.05 - 1.21kWh/hr$0.01 - $0.13/hr
 
BathroomHair dryer1.5 kWh/hr$0.17/hr
 Curling iron0.05 kWh/hrLess than $0.01/hr
 Whirlpool tub1.8 kWh/hr$0.20/hr
 
Swimming PoolSweep pump (3/4 hp)0.56 kWh/hr$0.06/hr
 Filter pump (1-1/2 hp)1.12 kWh/hr$0.12/hr
 Filter pump (2 hp)1.5 kWh/hr$0.17/hr
 
Spa/Hot TubElectric heater (1500 W)1.5 kWh/hr$0.17/hr
 Electric heater (5500 W)5.5 kWh/hr$0.61/hr
 
Medical EquipmentNebulizer1 kWh/hr$0.11/hr
 Oxygen Concentrator0.46 kWh/hr$0.05/hr
 Sleep Apnea Machine (CPAP)0.2 kWh/hr$0.02/hr
 
* Estimated energy use is based on average operation conditions. Individual use may vary.
** Estimated costs based on $0.11 per kWh
*** COP = Coefficient of Performance. An electric resistance heater has a COP of 1
GPM - Gallons per minute
SEER - Seasonal Energy Efficiency Ratio (efficiency given to central air conditioning)
EER - Energy Efficiency Ratio (efficiency given to window/wall air conditioners)