Head to head
Kohler 26kW RCA vs Generac Guardian 24kW
Kohler · Home Standby Generator
Kohler 26kW RCA
~$7,099
26,000 W · up to whole home with central air
Generac · Home Standby Generator
Generac Guardian 24kW
~$7,249
24,000 W · up to whole home with central air
Quick takeThe Kohler 26kW RCA lists about $150 lower; the Kohler 26kW RCA puts out more sustained power (26,000 W).
| Spec | Kohler 26kW RCA | Generac Guardian 24kW |
|---|---|---|
| Approx. price | ~$7,099 | ~$7,249 |
| Type | Home Standby Generator | Home Standby Generator |
| Fuel | NG/LP | NG/LP |
| Running / output watts | 26,000 W | 24,000 W |
| Starting / surge watts | 26,000 W | 24,000 W |
| Battery capacity | — | — |
| Expandable to | — | — |
| Noise | 67 dB | 67 dB |
| Runtime | Continuous (runs on home NG/LP supply); 26kW on LP, 24kW on NG | Continuous (runs on home NG/LP supply); 24kW on LP, 21kW on NG |
| Outlets | None — hardwired via automatic transfer switch (sold separately) | None — hardwired; includes 200A service-entrance PWRview transfer switch |
| Fuel tank | — | — |
| Weight | 625 lbs | 455 lbs |
| Transfer-switch ready | Yes | Yes |
| Warranty | 5-year/2,000-hour limited | 5-year limited |
Highlighted cell is the better figure for that row.
Owner pros and cons
Kohler 26kW RCA
- +Best-in-class 24kW natural gas rating
- +Starts dual large AC compressors with PowerBoost
- +Build quality and enclosure hardware a step above the price peers
- +5-year/2,000-hour warranty; strong extended options
- +Oil and pressure sensors protect the engine automatically
- −67 dB at full speed — plan placement carefully
- −625 lbs demands a bigger pad and crane-assisted placement
- −Dealer and installer coverage is spotty outside metro areas
- −Transfer switch extra on the base SKU
- −Post-storm lead times can run months
Generac Guardian 24kW
- +200A SE-rated transfer switch with PWRview monitoring included
- +Highest output-per-footprint in Generac's air-cooled line
- +Starts large AC loads with strong 230 LRA surge capacity
- +Quiet-Test weekly cycle drops to 57 dB
- +Complete-package pricing simplifies installer quotes
- +Mobile Link app gives real status, run history, and alerts
- −21kW on natural gas — plan around the derate
- −67 dB under load is loud near patios and bedroom windows
- −Premium price over the functionally similar 22kW