Generator Sizing...
 
Complete guide to backup power generator sizing. For more complex applications and industrial needs, please contact us.
Appliance Run Wattage Start Wattage
Home Basics:    
Refrigerator
700
2800
Chest Freezer
500
2500
Lights 10 at 75 Watts
750
750
Microwave
1500
1500
Television
800
800
Gas Furnace Fan 1/2 hp
500
1250
Total Basic watts (KW=1000 watts)
4750
9600
Other Additions:
 
 
Coffee Maker
1100
1100
Dishwasher
1500
3750
Air Conditioner    
12000 BTU
2800
7000
24000 BTU
4200
10500
32000 BTU
5000
12500
Drill Motor, sm.
500
500
Freezer
500
2500
Frying Pan, lg.
500
500
Frying Pan, sm.
150
150
Laundry Dryer Gas
500
1000
Laundry Dryer Electric
5500
6000
Hair Dryer
1500
1500
Heat Pump or Electric Heat
10000
10000
Light Bulbs
40
40
Light Bulbs
60
60
Light Bulbs
100
100
Light Bulbs
150
150
Motors 1/2 hp
500
1250
Motors 1 hp
1000
2500
Motors 2 hp
2000
5000
Oven - Electric
6500
6500
Radio
100
100
Refrigerator
700
2800
Space Heater
1500
1500
Stereo
120
120
Stove Electric - Per Element
1500
1500
Sump Pump 1/2 hp
500
1250
Toaster
200
200
TV, large
800
800
TV, small
100
100
Vacuum Cleaner
250
250
VCR
150
150
Water Heater - Electric
4500
4500
Well Pump 1 hp
1000
2500
Well Pump 2 hp
2000
5000
Well Pump 3 hp
3000
7500
Window Fan
250
250