The Kohler 20kW (20RCA) is the step up for DFW homes where the 14kW leaves insufficient headroom.
Licensed & Insured · All Permits Handled · Fixed Price Quote
handles large HVAC compressor startup loads that undersized generators fail on
47" × 26.2" × 32.2"; no larger pad required for higher output
dealer travels 200 miles for service; competitive coverage extends only 100 miles
| Standby Output | 20 kW (LP) / 18 kW (NG) |
| Fuel Type | Natural gas or liquid propane (LP) |
| Engine | KOHLER V-2, 999cc (61 cu. in.), 3600 RPM |
| Transfer Switch | Not included — sold separately |
| Dimensions | 47" x 26" x 32" |
| Weight | 567.5 lb |
| Warranty | 5-Year Premium Limited (dealer travels 200 miles for service) |
| Fuel Consumption | NG — 161 cfh | LP — 82 cfh (~2.25 gal/hr) |
On natural gas the 20RCA delivers 18kW, not 20kW. Confirm your load against 18kW for NG installations. HomeSafe performs a load calculation on every site visit to confirm sizing.
Not sure what size you need? See our installation guide →The Kohler 20kW (20RCA) is the step up for DFW homes where the 14kW leaves insufficient headroom — and its most notable spec isn't its rated output, it's its peak motor starting capacity: 41 kVA at 240V. That figure determines whether the generator can reliably start a large HVAC compressor without sagging or tripping a protection fault. At 41 kVA, the 20RCA handles high-tonnage startup loads that smaller generators struggle with.
On natural gas, the 20RCA delivers 18kW. On liquid propane, it delivers the full 20kW. For DFW homes on a natural gas line with a 4-ton or larger HVAC system, the 18kW NG output provides the necessary headroom above what a 14kW unit would allow. The 999cc V-2 KOHLER engine runs in the same 47" × 26.2" × 32.2" aluminum enclosure as the 14kW, so it installs on the same pad footprint despite the higher output.
Response time is 10 seconds from outage to full power transfer. The RDC2 Controller connects to the Kohler Energy Management App for remote monitoring, maintenance tracking, and status alerts. Noise output is 64 dB(A) during the weekly exercise cycle and 69 dB(A) at full operating speed — measurable, not silent, but within the range of a normal residential standby generator installation.
HomeSafe installs and services the Kohler 20RCA across DFW — Fort Worth, Southlake, Keller, Colleyville, Flower Mound, and surrounding communities.
We assess your electrical panel, confirm gas line access, and identify the best pad location. Takes 30–45 minutes. No charge, no obligation.
You receive a single all-in price — unit, transfer switch, concrete pad, gas line, electrical, and permits. No surprise add-ons after you sign.
Most installs complete in one day. We commission the unit, walk you through the controls, and your home is protected before we leave.
A whole-home generator is one of the most valuable upgrades you can make — and financing options may be available to help spread the cost. Get in touch and our team will walk you through what’s possible before you commit to anything.
Ask About Financing →“The electrician explained everything clearly and answered all my questions.”
“The plumber Zach did the final installation and assured me everything would be okay.”
“The delivery team explained everything and cleaned up after the job.”
HomeSafe installs and services Kohler standby generators across DFW. Schedule a free site visit — we'll confirm whether the 20kW is the right fit, or recommend the better-matched model for your home. Contact us to discuss pricing for your project.
