Kohler 20kW home standby generator, model 20RESC

Kohler 20kW Home Standby Generator

Kohler 20RESC

Brand: Kohler
Equipment Price: starting at $4930

The Kohler 20RESC Generator, offered by Carolina Energy Systems, is a highly capable and efficient standby power solution designed for residential use. With a 20,000-watt capacity, this generator offers ample power to support essential household appliances and systems during outages, ensuring uninterrupted comfort and convenience. Kohler Generators’ commitment to quality and reliability, along with our expertise, makes the 20RESC Generator a dependable choice for homeowners seeking peace of mind during unforeseen electricity disruptions.

Product Description

When you find yourself in the dark during an outage or storm, trust our hard-working 14/20 kW KOHLER® generator to keep your appliances humming, your indoor environment comfortable with heating or AC, and your security system fully operational. Plus, we’re excited to announce that these generators are now available in 3 phase, providing even more power and efficiency!*

Reliable. We take pride in equipping every KOHLER® generator with a heavy-duty, commercial-grade engine built to withstand extreme weather conditions, ensuring unwavering dependability.

Powerful. With the impressive capabilities of our KOHLER generator, you’ll experience a swift 10-second restoration of power to a 5-ton (60,000 BTU) air conditioner, major appliances, and all your essential electronics.*

Premium warranty. Your peace of mind is our priority. We offer an extensive 5-year, 2,000-hour protection plan, along with a corrosion-proof enclosure that’s designed to withstand the test of time.

Award winner. Join the ranks of satisfied customers who have experienced the excellence of KOHLER generators, honored with prestigious awards such as the Most Valuable Product (MVP) Award 2010 by Building Products magazine.


  • Experience the cutting-edge PowerBoost™ technology, capable of powering large loads like central air conditioners without compromising power to other appliances.
  • Prepare for extraordinary peak motor-starting capacity with our 20RESC model, delivering 41kVA at 240V for even more power to meet your needs.
  • Our premium power quality ensures exceptional digital voltage and frequency regulation, along with minimal harmonic distortion, safeguarding your most sophisticated electronics.
  • Powered by the reliable KOHLER Command PRO® engine, specifically designed and tested for tough commercial applications. Our hydraulic valve lifters eliminate the need for lengthy break-in periods and costly valve adjustments, operating at a standard 3600 rpm for air-cooled generators.
  • Enjoy seamless compatibility with optional OnCue® Plus and OnCue® Plus Wireless Generator Management Systems, as well as the Programmable Interface Module (PIM).
  • Additionally, our generators are designed to work seamlessly with Load Control Module (LCM) or Load Shed kit for single-phase generators, ensuring optimal power management.


  • Choose from either an RXT 100-amp indoor-rated automatic transfer switch with a 16-circuit load center or an RXT 200-amp outdoor-rated service entrance rated automatic transfer switch with a load shed kit, tailored to your specific requirements.
  • The RDC2 controller, specially designed for today’s sophisticated electronics, expertly manages both the generator set and Model RXT transfer switch functions.
  • Experience quiet, neighborhood-friendly operation with sound levels similar to a typical central air conditioner, ensuring peace and quiet for you and your neighbors.
  • Our stylish corrosion-proof enclosure is impact tested to handle extreme conditions, offering unmatched protection even in temperatures as low as -30°F.
  • With dual-fuel capabilities, our generators run on either natural gas or liquid propane (LPG), allowing for easy switching between fuel sources right in the field.
  • Experience hassle-free installation with our simple terminal block for easy field connections. For added convenience, Carolina Energy Systems offers concrete mounting pads, reducing installation costs and saving you valuable time.
Generator Specifications

Model: 20 kW
Rated kW LP: 18 kW
Rated kW NG: 83 amps
Amps LP: 75 amps
Amps NG: 41 kVa
Peak Motor Starting kVA @240 V: All information shown is for 1 Phase 60 Hz generator with the largest alternator option available.
Alternator Note: 999 cm³ (61 cu. in.)
Displacement: NG 27.1 HP, LP 30.9 HP
Horsepower: Composite
Enclosure Material: 64 dB(A)
Sound Output During Weekly Exercise: 69 dB(A)
Sound Output During Full-speed Operation: 10 seconds
Response Time: Premium five-year limited warranty
Warranty: US
Country of Origin: CSA,UL 2200,cUL,EPA
Certifications/Listings: Sold Separately
Automatic Transfer Switch Included: Included
Remote Monitoring Available: Utility Backup
Off Grid / Utility Backup: 535 lbs. (243 kg)
Weight: 2-Pole, Rotating Field
Alternator Type: 161 cfh
Fuel Consumption on NG at 50% load?: 82 cfh
Fuel Consumption on LP at 50% load?: RDC2 Controller
Controller: V-2
Cylinder Arrangement: 1216 mm x 655 mm x 733 mm (48 in. x 26.2 in. x 29 in.)
Dimensions: KOHLER
Engine Manufacturer/Description: CH1000
Engine Model: 3600
Engine/Alternator RPM: Natural Gas,LPG
Fuel Type: 0=50 Hz, 1=60 Hz
Frequency: Single Phase or Three Phase
Phase: 120/240
Voltage @ 60 Hz: ±1.0%
Digital Voltage Regulation: Yes
Built in Mounting Pad: Yes

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