Kohler 20RCA 20kW Air-Cooled Home Standby Generator
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At a glance
- Brand
- Kohler
- Power Output
- 20 kW
- Fuel
- Natural Gas / LP
- Cooling
- Air-cooled
- Warranty
- 5-year limited factory warranty
- Shipping
- Free shipping (lower 48)
Everything you need to know
The KOHLER 20RCA is a 20 kW air-cooled automatic standby generator that keeps your home powered during an outage — it starts automatically within seconds and runs on natural gas or LP (propane). Factory-authorized, shipped free across the contiguous 48 states, with turnkey installation available across North & South Carolina.
Why Kohler
Kohler has built power-generation equipment for over a century. Every residential standby pairs a commercial-grade powertrain with an all-aluminum, corrosion-proof enclosure and one of the strongest warranties in the category.
Key specifications
- Output: 20 kW on LP / 18 kW on natural gas
- Cooling: Air-cooled
- Engine: Kohler Command PRO OHV (999 cc, 2-cyl)
- Rated output: 84 A @ 240V
- Sound level: 66 dB(A)
- Controller: RDC2 with OnCue® Plus Wi-Fi monitoring
- Enclosure: Aluminum, rodent-resistant
- Fuel: Natural gas or LP (field-convertible)
- Warranty: 5 yr / 2000 hr comprehensive
Available in 11 designer colors and Mossy Oak® camo patterns — a Kohler exclusive. See our color/camo listing for this model, or contact us for options.
Need help sizing? Use our free sizing calculator or request a quote and a factory-authorized advisor will spec the right unit for your home.
Frequently asked questions
What fuel does the this generator run on?+
The unit runs on natural gas or LP (propane), selectable at install.
Does the price include installation?+
No — the online price covers the unit shipped free to the lower 48. Professional installation is available in NC & SC on a quote basis; outside that area we'll help you find a qualified local installer.
How fast does it ship?+
Free curbside / liftgate shipping to the contiguous 48 states. Most orders leave the warehouse in 3–5 business days.
What warranty is included?+
5-year limited factory warranty, registered and supported directly through Kohler.
Is financing available?+
Yes — 0% APR financing is available on qualifying orders. Ask us for details before checkout.
Free curbside shipping
Liftgate delivery to the lower 48. Most orders leave the warehouse in 3–5 business days.
Install help, no upsell
We size, spec, and connect you with a vetted local installer — or talk your contractor through it for free.
Real Kohler warranty
Full 5-year limited warranty — registered and supported through Kohler directly.