OutageSizer

Appliance wattage chart

Running watts are what an appliance draws once it's on. Additional starting watts are the brief extra surge a motor needs to start. Your power station's surge rating has to cover running watts plus that extra.

Source for running/starting watts: LIFAN Power USA, Wattage Reference Chart (PDF) (checked 2026-10-27). Manufacturer estimates. 'Additional starting watts' = extra watts needed momentarily when the motor starts, on top of running watts.

Kitchen

ApplianceRunning WAdditional starting W
Refrigerator/Freezer7501,600
Deep Freezer500500
Mini Fridge600200
Microwave Oven - 1000W1,0000
Coffee Maker1,2000
Crock Pot2500
Toaster Oven1,2000

Pumps

ApplianceRunning WAdditional starting W
Sump Pump - 1/3 HP8002,100
Sump Pump - 1/2 HP1,0502,200
Water Well Pump - 1/3 HP1,2503,750

Heating/Cooling

ApplianceRunning WAdditional starting W
Furnace Fan Blower - 1/3 HP7001,400
Furnace Fan Blower - 1/2 HP8002,350
Space Heater1,6500
Portable Heater6251,500
Window AC - 10000 BTU1,0502,100
Box Fan - 20"1500
Humidifier - 13 Gallon1750

Essentials

ApplianceRunning WAdditional starting W
Cell Phone Charger250
60 Watt Light Bulb600
Lamp1000
Laptop250250
LCD TV - 32"1000
Security System5500
AM/FM Radio1000

Laundry

ApplianceRunning WAdditional starting W
Washing Machine1,0003,000
Clothes Dryer - Gas7001,800

Other

ApplianceRunning WAdditional starting W
1/2 HP Garage Door Opener9002,400
Inflator Pump2000

Why charts disagree

These are typical estimates. Other charts list different numbers: GenX Generator, Wattage Reference Chart (PDF) gives a refrigerator/freezer 500 W rated and 2,000 W surge, and it lists total surge rather than additional starting watts. Your appliance's nameplate (or volts × amps) beats any chart.

Use these numbers in the calculator →