Head to head
Generac Guardian 26kW vs Kohler 26kW RCA
Generac · Home Standby Generator
Generac Guardian 26kW
~$6,849
26,000 W · up to whole home with central air
Kohler · Home Standby Generator
Kohler 26kW RCA
~$7,099
26,000 W · up to whole home with central air
Quick takeThe Generac Guardian 26kW lists about $250 lower.
| Spec | Generac Guardian 26kW | Kohler 26kW RCA |
|---|---|---|
| Approx. price | ~$6,849 | ~$7,099 |
| Type | Home Standby Generator | Home Standby Generator |
| Fuel | NG/LP | NG/LP |
| Running / output watts | 26,000 W | 26,000 W |
| Starting / surge watts | 26,000 W | 26,000 W |
| Battery capacity | — | — |
| Expandable to | — | — |
| Noise | 67 dB | 67 dB |
| Runtime | Continuous (runs on home NG/LP supply); 26kW on LP, 22.5kW on NG | Continuous (runs on home NG/LP supply); 26kW on LP, 24kW on NG |
| Outlets | None — hardwired via automatic transfer switch (7291 bundle adds 200A ATS) | None — hardwired via automatic transfer switch (sold separately) |
| Fuel tank | — | — |
| Weight | 518 lbs | 625 lbs |
| Transfer-switch ready | Yes | Yes |
| Warranty | 5-year limited | 5-year/2,000-hour limited |
Highlighted cell is the better figure for that row.
Owner pros and cons
Generac Guardian 26kW
- +26kW air-cooled tops the class for raw output
- +Starts dual AC compressors with load management
- +Costs far less than any liquid-cooled alternative
- +Compact enclosure for the output — same pad as smaller units
- +<5% THD with ±1% voltage regulation
- −22.5kW on natural gas — a 3.5kW derate
- −67 dB under load; not a small-lot-friendly machine
- −Transfer switch extra on this SKU
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