Our most popular generators for backup power provide award-winning reliability and performance. When you lose power during an outage or storm, a hard-working 14/20 kW KOHLER® generator keeps your appliances working, the heat or AC running and your security system on.*
Reliable.Every KOHLER® generator is equipped with a heavy-duty, commercial-grade engine that stands up to extreme weather.
Powerful.In just 10 seconds, your KOHLER generator automatically restores power to a 5-ton (60,000 BTU) air conditioner, major appliances and electronics.*
Premium warranty.We’ve got you covered with 5-year, 2,000-hour protection, and a corrosion-proof enclosure that’s built to last.
Award winner.KOHLER generators have received several awards, including the Most Valuable Product (MVP) Award 2010 by Building Products magazine.
THE POWER YOU NEED
- PowerBoost™ technology provides power to start large loads such as central air conditioners without dropping power to other appliances
- Extraordinary peak motor-starting capacity: 14RESA at 35kVA at 240V and 20RESA at 40.5kVA at 240V
- Premium power quality delivers exceptional digital voltage and frequency regulation along with low levels of harmonic distortion to protect sophisticated electronics
- Powered by reliable KOHLER Command PRO® engine, designed and tested for tough commercial applications; with hydraulic valve lifters to eliminate need for lengthy break-in periods and expensive valve adjustments; operation speed is 3600 rpm (the standard for air-cooled generators)
- Compatible with optional OnCue® Plus and OnCue® Plus Wireless Generator Management Systems, and Programmable Interface Module (PIM)
- Also compatible with Load Control Module (LCM) or Load Shed kit with single-phase generators only
THE CONVENIENCES YOU EXPECT
- RDC2 controller designed for today's sophisticated electronics manages both the generator set and Model RXT transfer switch functions
- Quiet, neighborhood-friendly operation with sound levels similar to a typical central air conditioner
- Stylish corrosion-proof enclosure impact tested to -30°F
- Runs on either natural gas or liquid propane (LPG) with simple switching between natural gas and LPG in the field
- Streamlined installation, including built-in base that eliminates need for concrete mounting pad and simple terminal block for easy field connections
- Model 14RESA approved for off-grid applications with 18-month/1000-hour off-grid warranty
*Based on generator and load size.
Rated kW LP 14 kW Rated kW NG 12 kW Amps LP 58.3 amps Amps NG 50.0 amps Peak Motor Starting kVA @240 V 35 kVa Alternator Note All information shown is for 1 Phase 60 Hz generator with the largest alternator option available. Displacement 725 cm3 (44 cu. in.) Horsepower NG 20.5 HP, LP 23.6 HP Enclosure Material Composite Sound Output During Weekly Exercise 63 dB(A) Sound Output During Full-speed Operation 67 dB(A) Response Time 10 seconds Warranty Premium five-year limited warranty Country of Origin US Certifications/Listings EPA|CSA|UL 2200 Automatic Transfer Switch Included No Remote Monitoring Available Yes Off Grid Warranty 18-month/1000-hour for off-grid applications Off Grid / Utility Backup Off Grid|Utility Backup Weight 420 lbs. Alternator Type 2-Pole, Rotating Field Fuel Consumption on NG at 50% load? 124 cfh Fuel Consumption on LP at 50% load? 60 cfh Controller RDC2 Controller Cylinder Arrangement V-2 Dimensions 1216mm x 655mm x 733mm (48 in. x 26.2 in. x 29 in.) Engine Manufacturer/Description KOHLER Engine Model CH740 Engine/Alternator RPM 3600 Fuel Type Natural Gas|LPG Frequency 50 Hz|60 Hz Phase Single Phase Voltage @ 60 Hz 120/240 Digital Voltage Regulation ±1.0%