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Starting at $3,825* MSRP

  • Model Number: 12RESV
  • Fuel Type: Natural Gas, LPG
  • Phase: Single Phase
  • ATS: Sold Separately
  • Remote Monitoring: Included
  • Specifications Sheet

Why KOHLER generators?

High-Quality Power.

KOHLER® generators provide advanced voltage and frequency regulation along with ultra-low levels of harmonic distortion to protect your smart appliances and electronics.

Compact Footprint.

RESV generators offer smaller footprints and ample power for the necessities during an outage. They can be placed as close as 18" from your home, providing installation flexibility on smaller lots.

Remote Monitoring.

Every 12RESV comes standard with OnCue® Plus, our remote monitoring system, which gives you peace of mind at home no matter where you are in the world.

Premium Warranty.

Kohler is known for extraordinary reliability and performance, backed up with a 5-year or 2,000 hour limited warranty that covers parts, labor and travel for the full warranty period.

PowerBoost™ technology provides power to start large loads such as central air conditioners without dropping power to other appliances.

Extraordinary peak motor-starting capacity: 12RESV at 16.8kVA at 240V. Can easily start and run a 5 ton air conditioner with up to 5kW preload.+

Premium power quality delivers exceptional digital voltage and frequency regulation to protect smart appliances and electronics.

Powered by reliable KOHLER Series 7000 V-twin engine with efficient OHV design. Operation speed is 3600 rpm (the standard for air-cooled generators).

Compatible with Programmable Interface Module (PIM) and RXT, RDT and RSB Automatic Transfer Switches.

RDC2 controller designed for today's smart, connected electronics manages both the generator set and model RXT transfer switch functions.

Bold KOHLER design in steel, dipped in e-coat for extra corrosion protection and painted with a durable powder-coated Cashmere finish.

Meets 181 mph wind rating.

Runs on either natural gas or liquid propane (LPG); simple switching between natural gas and LPG in the field.

12RESV Home Generator
Ownership Materials 

Installation Manual

Step-by-step instructions for installing our backup generators.

Operation Manual

Instructions for operating and troubleshooting our backup generators.

Assembly Drawing

Detailed schematics to help you with maintenance and component replacement.

Power in the Palm
of Your Hand

Our OnCue® Plus app allows you to monitor your generator from your computer or mobile device. You can check the status of your generator, start or stop an exercise, check the oil temperature, contact your dealer, and so much more.

App Store Google Play

Product Warranty Registration

Register your generator for faster warranty response and additional product updates.

Maintenance

How Do I Change Oil?

How Do I Check Oil?

How Do I Check Plugs?

How Do I Check Air Cleaner?

Frequently Asked Questions

Find answers to your most commonly asked questions.

Connected Home

OnCue Plus Guide

OnCue Plus Manual

Updating Firmware for RDC/DC2 Controllers

Get a KOHLER Home Generator.

  1. Contact - Fill out this form or call 844-844-1732 to request a FREE consultation from your local KOHLER dealer.
  2. Consult - Your local KOHLER dealer will provide a comprehensive power evaluation and quote.
  3. Install - Once you’ve chosen your generator, your local dealer will install it.
Get a Free Quote

Need help with a home generator?

Home Energy
Help & Support

Call Our Team
1-800-544-2444

Kohler Home Energy Customer Care Center

Monday–Friday 7:30am–5pm (CT)
Email: generator.feedback@kohler.com

* Starting price in U.S. dollars. Does not include installation, automatic transfer switch or accessories, or costs to export outside the U.S.
+ Based on generator and load size.