EnergyReckon

Appliance Wattage Chart

Running watts are continuous draw. Starting watts are the surge a motor pulls for a second or two on startup — that surge is usually what determines the generator size you actually need.

Kitchen

ApplianceRunningStarting
Refrigerator700 W2,200 W
Chest Freezer500 W1,500 W
Upright Freezer550 W1,650 W
Microwave (1000W)1,000 W1,000 W
Coffee Maker1,000 W1,000 W
Toaster1,100 W1,100 W
Toaster Oven1,200 W1,200 W
Dishwasher1,500 W1,800 W
Electric Range (single burner)1,500 W1,500 W
Electric Oven3,000 W3,000 W
Blender400 W800 W
Instant Pot / Slow Cooker1,000 W1,000 W
Electric Kettle1,500 W1,500 W

Climate & Comfort

ApplianceRunningStarting
Window AC (5,000 BTU)600 W1,800 W
Window AC (10,000 BTU)1,200 W3,600 W
Central AC (3-ton / 36,000 BTU)3,500 W9,500 W
Mini-Split Heat Pump (1-ton)1,200 W3,000 W
Mini-Split Heat Pump (2-ton)2,000 W4,500 W
Gas Furnace Blower Fan800 W2,350 W
Electric Space Heater1,500 W1,500 W
Portable Humidifier175 W175 W
Box Fan100 W100 W
Ceiling Fan75 W150 W
Dehumidifier500 W1,500 W

Laundry

ApplianceRunningStarting
Washing Machine (top-load)1,200 W2,300 W
Electric Clothes Dryer5,400 W6,750 W
Gas Clothes Dryer (motor + igniter only)700 W1,800 W
Clothes Iron1,200 W1,200 W

Water & Pumps

ApplianceRunningStarting
Sump Pump (1/3 HP)800 W1,300 W
Sump Pump (1/2 HP)1,050 W2,150 W
Sump Pump (1 HP)2,000 W3,000 W
Well Pump (1/2 HP)1,000 W2,100 W
Well Pump (1 HP)2,000 W3,000 W
Sewage Ejector Pump (1/2 HP)1,050 W2,150 W
Electric Water Heater4,000 W4,000 W
Pool Pump (1.5 HP)1,500 W4,500 W

Electronics

ApplianceRunningStarting
Laptop Charger90 W90 W
Desktop Computer300 W300 W
Wi-Fi Router / Modem20 W20 W
LED TV (50")100 W100 W
Phone Charger10 W10 W
Garage Door Opener550 W1,100 W
Home Security System50 W50 W

Medical

ApplianceRunningStarting
CPAP Machine60 W60 W
Home Oxygen Concentrator350 W550 W
Electric Wheelchair Charger150 W150 W

Outdoor & Shop

ApplianceRunningStarting
Circular Saw1,400 W2,300 W
Air Compressor (1/3 HP)900 W2,000 W
Table Saw1,800 W4,500 W
Angle Grinder1,000 W1,500 W
Electric Chainsaw1,500 W1,500 W
EV Charger (Level 1, 120V)1,400 W1,400 W

Lighting

ApplianceRunningStarting
LED Light Bulb10 W10 W
Shop Light Fixture (4ft LED)40 W40 W
Outdoor Flood Light30 W30 W