Generator Size Calculator
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Refrigerator
No
Yes (700W running / 2,200W starting)
Central AC or Furnace Fan
No
Furnace Fan Only (500W)
Window AC (1,200W)
Central AC (3,500W start / 2,000W run)
Sump Pump
No
Yes (1,050W start / 500W run)
Lights & Fans
A Few Lights (300W)
Most Lights (600W)
All Lights + Fans (1,000W)
Electronics
Phone Charger (25W)
+ WiFi Router + TV (300W)
+ Computer + Router + TV (600W)
Well Pump
No (city water)
Yes (1,400W start / 700W run)
Other Appliances
None
Microwave (1,000W)
Electric Stove (2,500W)
Space Heater (1,500W)
Calculate
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Total Running Watts Needed
Peak/Starting Watts
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Recommended Generator
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Generator Type
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Fuel Consumption (est.)
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