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Generator Sizing

To pay for a generator and installation, only to find the generator will not run what you need to run would be a big disappointment...spend a few moments adding the wattage requirements for your home, each installation is unique.

To the basic needs of 9600 watts add the other appliances you must run in an emergency power outage...be conservative, the more you add, the more you will pay for a generator!

When in doubt check the UL tag on the back of each appliance to determine starting wattage

Generator Sizing  
   
  Start Wattage 
Basic Home Needs  
Refrigerator  2800
Chest Freezer  2500
Lights 10 at 75 Watts  750
Microwave  1500
Television  800
Gas Furnace Fan 1/2 hp  1250
Total Basic Needs 9600
   
Air Conditioner  
12000 BTU  7000
24000 BTU  10500
32000 BTU  12500
48000  BTU 15000
1 ton 4000
2 ton 8000
3 ton 12000
4 ton 15000
5 ton 19000
   
Other Additions:   
Coffee Maker  1100
Dishwasher  3750
Drill Motor, sm.  500
Freezer  2500
Frying Pan, lg.  500
Frying Pan, sm.  150
Laundry Dryer Gas  1000
Laundry Dryer Electric  6000
Hair Dryer  1500
Heat Pump  10000
Light Bulbs  40
Light Bulbs  60
Light Bulbs  100
Light Bulbs  150
Motors 1/2 hp  1250
Motors 1 hp  2500
Motors 2 hp  5000
Oven - Electric  650
Radio  100
Refrigerator  2800
Space Heater  1500
Stereo  120
Stove Electric / Element  1500
Sump Pump 1/2 hp  1250
Toaster  200
TV, large  800
TV, small  100
Vacuum Cleaner  250
VCR  150
Water Heater 4500
Well Pump 1 hp  2500
Well Pump 2 hp  5000
Well Pump 3 hp  7500

 

 

 

 

 

 

 

 

 

 

 

 

 

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