Kohler 20RESC
Kohler 20RESC
Kohler 20RESC
Kohler 20RESC
Kohler 20RESC
Kohler 20RESC
Kohler 20RESC
Hover to zoom
1 Of 5
Kohler 20RESC
Kohler 20RESC
Kohler 20RESC
Kohler 20RESC
View All

Kohler 20kW Composite Home Standby Generator



Write a Review
Free Shipping
Lift Gate
  Learn More About Free Freight
Free Shipping & Lift Gate
*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
Estimated Availability May 21, 2021
Shipping to60601
Shipping Details
  • Free to Lower 48 States
  • Lift Gate Service Available - Free Lift Gate Learn More
*We currently CANNOT ship this product to Alaska, Hawaii or any destination outside of the United States
$75 / Month
With our 82 months 10.99% APR*
82 fixed monthly payments required.
Available Add-Ons
Learn More
Lift Gate Service
All products weighing more than 100 lbs. ship via semi-truck. We recommend ordering the Lift Gate Service to safely lower the product to the curb. If you have a loading dock or forklift, you do NOT need a Lift Gate service. If you are a residential customer, you must have at least 2-4 able-bodied people present to unload the product. Learn More
Learn More Installation
Kohler 20kW Composite Home Standby Generator
Kohler 20kW Composite Home Standby Generator
Model: 20RESC
How-To Articles





Standby (Air Cooled)

Run Watts

20,000 Rated Watts


120/240 Single-Phase


LP/Natural Gas



  • 20kW (LPG) / 18kW (NG) Air-Cooled Standby Generator
  • Protects your home and family during a power outage
  • Commercial-Grade Kohler Command PROŽ OHV Engine
  • Powerful & reliable engine design for heavy-duty applications
  • Hydraulic valve lifters for eliminate routine valve adjustments
  • Runs on Clean Burning Natural Gas or LPG - Simple Field Conversion
  • While still maintaining emission regulations for U.S. EPA & California
  • Powerful Performance w/ PowerBoost™ Technology
  • Greater motor-starting ability for large electrical loads
  • Fast Response Time
  • KohlerŽ generators restore power in as little as 10 seconds
  • Premium Power Quality (+/-1% Voltage Regulation)
  • Protects sophisticated electronics with low distortion (<5%THD)
  • New Silencer Reduces Sound Levels & Provides Quiet Operation
  • Maintains neighborhood solitude - approx 69 dB(A) at 7 m (23 ft)
  • RDC2 (6-Button) Digital Controller
  • Glare-resistant, 2-line 16-character display - No More Codes
  • Easily view ATS status via LED lights on controller
  • Includes OnCue Plus Remote Monitoring App
  • Built-in Ethernet card, no hardware needed for OnCue
  • Exclusive 100% Corrosion-Proof Composite Enclosure
  • Will not rust - even in harsh seaside environments
  • Impact-resistant down to -30° F
  • Polymer Base Engineered For Easier Installation
  • Fuel and electric connection through enclosure wall, no-more stub-ups
  • ***Not Compatible For Off-Grid Applications***
  • Approved for stationary standby applications in locations served by a reliable utility source
  • Transfer Switch (Sold Separately) & Group 51 Bat. (Not Included)
  • *Note - Must Be Installed At Least 5' From Structure
California residents see
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.
For more information go to: www.p65Warnings.ca.gov


Product Specs
120/240 Single-Phase
60 Hertz
Rated Watts
20000 Watts
Fuel Type
LP/Natural Gas
NG Power Capacity
18000 Watts
LP Power Capacity
20000 Watts
NG Fuel Consumption @ 50% Load
161 ft³/hr
NG Fuel Consumption @ 100% Load
281 ft³/hr
LP Fuel Consumption @ 50% Load
2.3 gallons/hr
LP Fuel Consumption @ 100% Load
3.9 gallons/hr
Rated Amps
83 Amps
Decibel Rating @ 7m Learn More
Decibel Rating @ 7m
Sound levels are measured in decibels (dB). The lower the decibel rating, the less noise the product makes. As an example, a ticking watch is 20 dB while on the other end of the scale, a lawn mower is around 90 dB.
Transfer Switch
Automatic (Not Included)
Not Included (500 CCA)
A/C Ton Rating
Mounting Pad
Composite (Included)
Cooling System
Air Cooled
UL Listed
Grade Type
Engine Brand
Starting System
12v Auto Start
999 CC
Consumer Engine Warranty
5 Years
Commercial Engine Warranty
5 Years
Engine RPM
3600 RPM
Low Oil Alert/Shutdown
535 Pounds
Made in USA
Consumer Warranty
5 Years
Commercial Warranty
5 Years
Product Length
48 Inches
Product Style
Standby Generator
Product Width
26.2 Inches
Product Height
29 Inches


Kohler 20RESC Reviews & Ratings

Recommended Accessories

Expert Recommended Accessories Selected by Jared, our Expert
Required Accessories 9
These accessories are required to properly setup/install this product.
Optional Accessories 10

How-To Articles

How to Pick the Perfect Home Standby Generator
It’s the same story every year. A big storm hits, and after days of stumb...
How to Find An In-Stock Generator During a Blackout
During a blackout, portable generators sell faster than playoff tickets. Unlike...
How to Size a Home Standby Generator
Put down the calculator! Sizing an essential circuit standby generator is extre...
Electric Generators How-To Library
Articles, Tips and Buying Guides from Our Experts


Media Gallery
Kohler 20kW Composite Home Standby Generator
Kohler 20RESC
Reset View
Kohler 20RESC
Kohler 20RESC
Kohler 20RESC
Kohler 20RESC
Kohler 20RESC
Kohler 20RESC
Customer Review Images