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Power Calculator

To select a standby generator system that fits your home backup needs, follow these easy steps:

1. Select Essential Items

Typical backup power needs:
Appliance Rated (Running)Wattage
Freezer 500
Lights 75
Refrigerator 500
Television 500
Vacuum 1100

2. Select Additional Items

Appliance Rated (Running)Wattage
Computer 720
Electric Fan 800
Electric Water Heater* 4000
Hair Dryer 1200
Iron 1200
Lighting 1000
Microwave 800
Radio 300
Washing Machine 1150
Well Pump - 1/2 HP 1000
Well Pump - 1/3 HP 750
Window Air Conditioner 1200

3. Optional: High Wattage Requirement Items

These items can significantly add to the wattage requirement of your generator. Select them ONLY if ABSOLUTELY necessary for standby power.

 

Appliance Rated (Running)Wattage
Central Air Conditioner - 10,000 BTU 1500
Central Air Conditioner - 20,000 BTU 2500
Central Air Conditioner - 24,000 BTU 3800
Central Air Conditioner - 32,000 BTU 5000
Central Air Conditioner - 40,000 BTU 6000
Electric Dryer 5400
Heat Pump 4669
Oven 3410


These are only estimated wattages. Please see the data plate on your particular appliance for actual wattages

 
 
   
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