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Wattage Worksheet
This worksheet will help you determine how to choose the right POWER PLANT Generator for your
needs; based on the amount of watts required for starting and running your appliances/equipment.
♦ The size of the generator needed will depend on you power requirements. In most cases, a higher-wattage
generator will allow you to power more items at once.
1. Select the items you'd like to
power at the same time, (using
the chart below). Fill in the
running watts and additional
starting wattage requirements
on the "My Power Needs"
worksheet
EXAMPLE
2. Add the "Running Watts"
of the items you want to
power. Enter these
numbers into the "Total
Running Watts" box.
3. Select the one individual item
with the highest number of
additional running watts. Take this
one number, add it to your Total
Running Watts, and enter it in the
Total Starting Watts box.
BE SURE TO CHECK YOUR OWNER’S MANUAL FOR EXACT WATTAGE REQUIREMENTS.
Pl
EXAMPLE
MY POWER NEEDS
Tool or Appliance
Running Starting
(Rated) (Surge)
Watts
Watts
Tool or Appliance
1. Refrigerator/Freezer
700
2200
1
2. 1/2HP Furnace Fan
800
2350
2
3. Television
500
4. Lights (8 x 75 watts)
600
0
4
5. Microwave
600
0
5
Running
(Rated)
Watts
3
6
6
7
7
Total Running Watts =
3200
+
The generator needed in this example
would have to produce at least:
3200 total running watts and
5550 total starting watts
=
2350
3200
5500
Total Running Watts =
I need a generator that produces
at least:
+
=
total running watts
total starting watts
ATLAS SOLAR PRODUCTS 10993 OCEAN HIGHWAY #872, PAWLEYS ISLAND, SC 29585-0872 PH (843)240-2146 FX (843)353-0301
WWW.ATLASSOLARPRODUCTS.COM
Addt'l.
Starting
(Surge)
Watts
Wattage Worksheet
Your Wattage Reference Guide:
A guide to how many watts tools & appliances usually require
This chart is only for estimated watts. Please check your Owner’s Manual for exact wattage
Tool or Appliance
Running
(Rated)
Watts
Additional
Starting
(Surge) Watts
Tool or Appliance
Running
(Rated)
Watts
Additional
Starting
(Surge) Watts
HOME
Essentials:
Light Bulb - 60 Watt
Light Bulb - 75 Watt
Refrigerator/Freezer
Sump Pump - 1/3HP
Sump Pump - 1/2HP
Water Well Pump - 1/3HP
Electric Water Heater
Heating/Cooling
Space Heater
Humidifier - 13 Gal
Furnace Fan Blower - 1/2HP
Furnace Fan Blower - 1/3HP
Window AC - 10,000 BTU
Window AC - 12,000 BTU
Central AC - 10,000 BTU
Central AC - 24,000 BTU
Central AC - 40,000 BTU
Heat Pump
Laundry Room:
Iron
Washing Machine
1800
1350
0
2250
700
Clothes Dryer - Gas
5400
Clothes Dryer - Elec.
Kitchen:
600
Microwave-600 Watts
1000
Microwave-1000 Watts
1000
Coffee Maker
2100
Elec. Stove-8" elements
1500
Dishwasher-Hot Dry
400
Food Processor
1200
Toaster Oven
850
Toaster Oven
168
Electric Can Opener
Family Room:
100
VCR
450
Stereo Receiver
500
Color TV - 27"
40
Video Game Players
Other:
500
Security System
1/2HP Garage Door Opener 875
1250
Hair Dryer-1250 Watt
1500
Curling Iron
0
0
0
1200
0
600
900
3000
2300
1800
Planner/Jointer-6"
Table Saw - 10"
Belt Sander
Air Compressor-1/4HP
Air Compressor-1 HP
Office Equipment:
Personal Computer
Fax Machine
Laser Printer
Inkjet Printer
Copy Machine
1800
2000
1200
975
1600
1800
300
500
1000
600
960
440
600
1000
1400
1800
800
65
950
80
1600
0
900
0
0
0
1650
100
0
0
CD/DVD Player
Box Fan - 20"
100
200
0
0
60
75
700
800
1050
1000
4000
0
0
2200
1300
2200
2000
0
1800
175
800
700
1200
3250
1500
3800
6000
4700
0
0
2350
1400
3600
9750
4500
11400
18000
4500
1200
1150
0
0
0
0
1500
0
0
0
0
0
0
0
0
0
2350
0
0
WORK
Home Job Site:
Quartz Halogen Work Light, 300
Quartz Halogen Work Light, 500
Quartz Halogen Work Light, 1000
Airless Sprayer - 1/3HP
Reciprocating Saw
Electric Drill-3/8", 4 Amps
Electric Drill-1/2", 5.4 Amps
Hammer Drill
Circular Saw - 7 1/4"
Miter - 10"
2000
2400
1600
4500
LEISURE
Camping/Tailgate Parties
Electric Grill
AM/FM Radio
FREQUENTLY ASKED QUESTIONS
How many watts does it require to power basic items in an average
house?
Typical homes will require on average, between 5000-7000 watts
to run.
What's the difference between running watts and starting watts?
Running or rated watts are the continuous watts needed to keep your
items running. Starting or surge watts are the additional watts needed
for two or three seconds required to start motor-driven products and
tor
appliances like refrigerators, air conditioners or belt sanders. This is
the maximum wattage the generator can produce.
What if I can't determine the running or the starting watts
required for a tool or appliance?
If the running watts are not listed on the tool or appliance,
try estimating the required watts using the following
equation: WATTS = VOLTS X AMPS. Only motor-driven
appliances and tools require additional starting watts.
The additional starting watts required may be estimated at
2-3 times the running/rated watts.
The above chart is only for estimated watts. Please check
the owner's manual for exact wattage requirements.
ATLAS SOLAR PRODUCTS 10993 OCEAN HIGHWAY #872, PAWLEYS ISLAND, SC 29585-0872 PH (843)240-2146 FX (843)353-0301 WWW.ATLASSOLARPRODUCTS.COM