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What Uses the Most Electricity

Staggering when you use the biggest power guzzlers can help you lower your demand and bring down your energy bills.*
Heating, Cooling, and Water
Device
Average Run Time Average kW That Affects Your Bill**
Baseboard Heating 60 10.00
Electric Water Heater 60 5.00
Central Air Conditioner 60 3.50
Tankless Water Heater 30 2.25
Packaged Terminal Air Conditioner 60 2.00
Mini-split 60 1.50
Space Heater 60 1.50
Window Air Conditioner 60 1.20
Humidifier 60 0.30
Dehumidifier 60 0.30
Tower Fan 60 0.10
Lawn Sprinkler 60 0.10
Air Purifier 60 0.06
Ceiling Fan 60 0.01

 

Cleaning
Device
Average Run Time Average kW That Affects Your Bill
Electric Clothes Dryer 60 5.40
Dishwasher 60 1.40
Vacuum 60 0.30–0.80
Washing Machine 60 0.50
Iron 15 0.28
Charging Handheld Vacuum 60 0.1

Kitchen
Device
Average Run Time Average kW That Affects Your Bill
Electric Oven 60 3.00
Induction Cooktop 60 1.80
Broiler 60 1.40
Fry Pans 60 1.00
Electric Grill 30 0.90
Deep Fryer 30 0.50
Toaster Oven 20 0.13–0.50
Standalone Freezer 60 0.35
Drip Coffee Maker 15 0.30
Refrigerator 60 0.20
Slow Cooker 60 0.20
Toaster 10 0.18
Percolater Coffee Maker 15 0.15
Espresso Maker 20 0.13
Compactor 20 0.13
Blender 10 0.10
Microwave 5 0.08
Garbage Disposal 8 0.08

 

Home Entertainment
Device
Average Run Time Average kW That Affects Your Bill
Entertainment System 60 0.25-0.40
Television 60 0.2-0.35
Cable Box 60 0.30
Video Game System 60 0.30
DVD Player 60 0.06-0.23

 

Pools
Device
Average Run Time Average kW That Affects Your Bill
Pool Heater 60 5.00
Hot Tub 30 3.00
Pool Pump 60 1.80
Irrigation/Pond/Waterfall Circulation Pump 60 0.40

 

Office
Device
Average Run Time Average kW That Affects Your Bill
Copier 15 0.18
Desktop Computer 60 0.10
Printer 5 0.10
Fax 5 0.10
Charging Laptop 60 0.10
Router/DSL/Cable Modem 5 0.10

 

Lighting
Device
Average Run Time Average kW That Affects Your Bill
Incandescent Light Bulb 60 0.08
CFL Light Bulb 60 0.02
LED Light Bulb 60 0.01

 

Other
Device
Average Run Time Average kW That Affects Your Bill
Hair Dryer 30 0.75
Electric Blanket 60 0.40
Charging Power Tool 60 0.15
Curling Iron 30 0.08
Aquarium 60 0.06

Sources: Lawrence Berkley National Labs, Energy.gov, SenicairGreen Building Advisor, Constellation, Bulbs.com, Earth Easy, Whole Solar

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* These figures are estimates based on publicly available data. Actual wattage may vary by device. Check your device’s energy label for more information.
** 1 kW is equal to 1,000 watts