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Residential Generators (Determine Your Power Needs)

How much electricity does my home require during a power outage?

Actual wattage demand of your appliances and electrical devices will vary depending on their age, brand, and other variables. Appliances that use motors require more power to start than to run.

You can estimate your home's power requirements by referencing the following list of common applications.

  1. Choose a fuel to run your generator.
  2. Select the group of applications you'd like to run during a power outage.
  3. Click on the KOHLER generator model number to view technical product information.


Typically, residential generators range in size from 8.5 to 50 kilowatts and are fueled by natural gas (NG) or propane (LP). Larger generators and diesel-fueled units are also available.

Natural Gas

KOHLER RESIDENTIAL GENERATORS (Natural Gas)
COMMON APPLICATIONS WATTAGE
60 Hertz*
ENGINE
MFR.
KOHLER
MODEL NO.
Furnace
Refrigerator
Sump Pump
Lighting
7kW Kohler 8.5RMY
Furnace
Refrigerator
Sump Pump
Lighting
Well Pump
Security System

9kW Ford 10RY/10RZ
9.5kW Kohler 11RMY
9kW Ford 12RY/RZ
Furnace
Refrigerator
Sump Pump
Lighting
Well Pump
Small Central Air
17kW Ford 17RY
16kW Ford 18RY/RZ
Furnace
Refrigerator
Sump Pump
Lighting
Well Pump
Security System
Central Air
19kW Ford 20RZ
20kW Ford 22RY
Furnace
Refrigerator
Sump Pump
Lighting
Well Pump
Security System
Large Central Air
Freezer
Electric Range
30kW Ford 30RZG
35kW Ford 35RZG
Furnace
Refrigerator
Sump Pump
Lighting
Well Pump
Security System
Large Central Air
Freezer
Electric Range
Water Heater
Microwave Oven
39kW Ford 45RZG
55kW Ford 50RZG

*Refer to the technical product information sheets for 50 Hertz data.

Items shown in red indicate additional appliances and devices that may be powered with larger generators. 

Propane

KOHLER RESIDENTIAL GENERATORS (Liquid Propane)
COMMON APPLICATIONS WATTAGE
60 Hertz*
ENGINE
MFR.
KOHLER
MODEL NO.
Furnace
Refrigerator
Sump Pump
Lighting
8.5kW Kohler 8.5RMY
Furnace
Refrigerator
Sump Pump
Lighting
Well Pump
Security System

10kW Ford 10RY/10RZ
11kW Kohler 11RMY
12kW Ford 12RY/RZ
Furnace
Refrigerator
Sump Pump
Lighting
Well Pump
Small Central Air
17kW Ford 17RY
18kW Ford 18RY/RZ
Furnace
Refrigerator
Sump Pump
Lighting
Well Pump
Security System
Central Air
20kW Ford 20RZ
22kW Ford 22RY
Furnace
Refrigerator
Sump Pump
Lighting
Well Pump
Security System
Large
Central Air
Freezer
Electric Range
30kW Ford 30RZG
35kW Ford 35RZG
Furnace
Refrigerator
Sump Pump
Lighting
Well Pump
Security System
Large Central Air
Freezer
Electric Range
Water Heater
Microwave Oven
43kW Ford 45RZG
55kW Ford 50RZG
*Refer to the technical product information sheets for 50 Hertz data. 
Items shown in red indicate additional appliances and devices that may be powered with larger generators. 
 

These wattage estimates are intended to assist you in the specification phase of assessing your KOHLER residential generator requirements. Actual device wattage will vary depending on the manufacturer and application. Always consult your KOHLER Power Professional for the exact residential generator specifications.

Generator technical information is provided in its original format via Adobe Acrobat. The use of these materials requires Adobe Reader 3.0 or higher, and either Netscape 3.0 or higher or MS Internet Explorer 3.0 or higher. Acrobat Reader can be obtained free of charge by clicking on the link to the left and following the instructions on the Adobe Acrobat site.