HAYES EQUIPMENT
1-800-375-7767
 
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Generator Information
Not sure how many watts your
portable generator will need?
Check our:
Wattage Estimator Guide
 For RV, Home, Farm, More!
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Hayes Equipment
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Our Location

Hayes Equipment
1417 John B. Hayes Rd.
Ponca City, OK 74601
(580) 762-6334
1-800-375-7767

Hayes Equipment Portable Generator Wattage Estinmate Guide Chart
Hayes Equipment
1417 John B. Hayes Rd.
Ponca City, OK 74601
(580) 762-6334    1-800-375-PROS (7767)

Generator Wattage Requirement Reference Guide
The wattage numbers on the chart below are averages.
Many item's wattage requirements will vary by manufacturer, design, and other factors.
Check your item's spec plate for your exact power needs.
Remember that Amps x Volts = Watts
(for example 10 Amps x 120 Volts = 1200 Watts)

Motorhome 5th Wheel and Camp Trailer Roof Top Air Conditioners Watts Required for start up Average wattage once running
7000 btu rv air conditioner 1700 600
10,000 btu rv air conditioner 2000 700
13,500 btu rv air conditioner 2750 1250
15,000 btu rv air conditioner 3500 1500
Household Items Running Wattage Requirements Additional Wattage Required for Starting
Coffee Maker 1750 0
Dishwasher
(Cool Dry)
700 1400
Electric Frying Pan 1300 0
Electric Range
(8 Element)
2100 0
Microwave Oven
(625 Watts)
625 800
Refrigerator or Freezer 700 2200
Automatic Washer 1150 2300
Elec. Clothes Dryer 5750 1800
Furnace Fan
(Gas, Oil, or Fuel)
   
1/8 Horsepower 300 500
1/6 Horsepower 500 750
1/4 Horsepower 600 1000
1/3 Horsepower 700 1400
1/2 Horsepower 875 2350
Lights As indicated on Bulb 0
Radio 50 to 200 0
Sump Pump    
1/3 Horsepower 800 1300
1/2 Horsepower 1050 2150
Color Television 300 0
Central Air Conditioner
(10,000 BTU)
1500 2200
Computers Running Wattage Requirements Additional Wattage Required for Starting
Desktop 600 to 800 0
Laptop 200 to 250 0
Monitor 200 to 250 0
Fax 600 to 800 0
Printer 400 to 600 0
Contractor Running Wattage Requirements Additional Wattage Required for Starting
1hp Air Compressor 1500 4500
8" Bench Grinder 1400 2500
1/2" Hand Drill 600  
High Pressure Washer
1 Horsepower
1200 3600
Circular Saw Heavy Duty
7-1/4 Inches
1400 2300
Electric Chainsaw
14", 2 Horsepower
1100 0
Table Saw - 10" 1800 4500
3/8" Drill, 4 amps 440 600
1/2" Drill, 5.4 amps 600 900
Industrial Motors Running Wattage Requirements Additional Wattage Required for Starting
Split Phase    
1/4 Horsepower 600 1000
1/2 Horsepower 875 2300
Capacitor Start Induction Run    
1/3 Horsepower 720 1300
1 Horsepower 1600 4500
Capicitor Start Capacitor Run    
1-1/2 Horsepower 2000 6100
Fan Duty - 1/6 Horsepower 550 850
Farm Equipment Running Wattage Requirements Additional Wattage Required for Starting
Electric Fence, 25 Miles 250 0
Milk Cooler 1100 1800
Milker (Vacuum Pump) 2hp 1000 2300
Portable Heater
(kerosene, Diesel Fuel)
   
50,000 BTU 400 600
90,000 BTU 500 725
150,000 BTU 625 1000
Battery Charger    
15 amp 380 0
60 amp w. 250 boost 1500 / 5750 0
100 amp w/ 300amp boost 2400 / 7800 0
Electric Welder    
200 amp AC 9000 0
230 amp AC, at 100 amp 7800 0
Air Compressors Running Wattage Requirements Additional Wattage Required for Starting
1/2 Horsepower 975 1600
1 Horsepower 1600 4500

* All ratings are estimates. Contact the manufacturer of your item for exact requirements

If your item has a plate on it showing Amps and Volts, multiply Amps x Volts and that equals your Wattage.

Amps x Volt = Watts

If the power requirement you need is not listed, just call 1-800-375-7767.  We'll do our best to help determine your wattage needs.

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Hayes Equipment
1417 John B. Hayes Rd.
Ponca City, OK 74601
(580) 762-6334    1-800-375-PROS (7767)