Generac vs. Kohler: Which Standby Generator Should You Choose?
By LumoWatt Editorial Team · Reviewed by Licensed electrical contractor (reviewer bio pending) · Updated 2026-06-15
| Generac | Kohler | |
|---|---|---|
| Price | $2,000–$8,000 | $3,000–$9,500 |
| Warranty | 5 years | 5 years |
| Noise | 60–67 dB | 59–66 dB |
Quick answer
Generac and Kohler are closely matched on price; Kohler is generally favored for smoother power output (lower total harmonic distortion), which matters if you're backing up sensitive electronics or home medical equipment.
Price
Generac: $2,000–$8,000. Kohler: $3,000–$9,500.
Power quality
Kohler's residential line is commonly cited by installers as producing cleaner sine-wave output than Generac's air-cooled Guardian series — relevant mainly for households running CPAP machines, home dialysis, or other sensitive medical equipment.
Which is right for you
Choose Generac if: budget and installer availability matter most.
Choose Kohler if: you're backing up medical equipment or sensitive electronics where power quality is a real concern, not just a marketing point.
Frequently asked questions
- Does power quality actually matter for normal household electronics?
- For most appliances and standard electronics, no meaningful difference. It matters most for medical equipment and some audio/video gear.