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Kohler 12RES 12kW Generator

In Stock - Available for Immediate Shipment
5 Stars 4 product reviews
Average Product Review Rating: 5/5
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Affordable, commercial-grade power for basic power needs. When a bad storm or utility failure knocks out your power, the 12RES KOHLER® generator keeps your lights on, fridge cold and sump pump working. This generator will power most appliances in smaller homes, or a few critical items in larger homes.

  • Reliable: Inside this generator is a commercial-grade engine built to withstand extreme workloads year after year.
  • Powerful: In just 10 seconds, your KOHLER generator automatically restores power to your heat or AC as well as appliances and electronics.*
  • Premium warranty: We've got you covered with 5-year, 2,000-hour protection and a steel enclosure that's built to last.
  • Flexible: Fits both standby and off-grid applications for the ultimate versatility while saving the battery with hibernating controller capability
  • Money Saver: No pricey concrete pad needed. Your contractor – and your wallet – will appreciate the built-in mounting pad and easy-to-connect terminal block

PowerBoost™ technology provides the power to start large loads without dropping power to other appliances
Extraordinary peak motor-starting capacity to start and run a typical 4 ton air conditioner while still running other home appliances and electronics
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)

ADC-RES Advanced Digital Control designed for today's sophisticated electronics
Quiet, neighborhood-friendly operation with sound levels similar to a typical central air conditioner
Steel enclosure with automotive-grade paint for advanced corrosion protection
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


Product Reviews

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  1. 12RES

    5 star rating Product Review Rating: 5/5

    Posted by on Apr 05, 2021

    Fairly easy to hook up and runs great. Quiet.

  2. Great product

    5 star rating Product Review Rating: 5/5

    Posted by on Dec 29, 2020

    Runs and works just as promised

  3. Great EXCEPT

    4 star rating Product Review Rating: 4/5

    Posted by on Dec 07, 2020

    Has happened 4 times in off grid application. When signal is sent because battery voltage is low, the generator does nothing, or sends a OC which is not true because the gen set does nothing, not good when no one is at the house and temp is 0-F and furnace can

  4. Kohler 12 RES

    5 star rating Product Review Rating: 5/5

    Posted by on Apr 02, 2019

    Generator runs well. Nice and quiet. So far, no problems.

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