Premium Tier
Limited Warranty
Kohler Standby Generator Warranty
Bottom line (2026): Kohler offers a 5-year limited warranty on its standby generator — transferable to new owners, labor not included. Scores 55/100 on the HomeScore Warranty Index, rated fair for the premium-tier standby generator category.
5 yr
Base Warranty
15–30 yr
Expected Lifespan
$5,500–$16,000
Price Range
20RCAL
Top Model
Warranty Score
What's Covered
- Engine
- Alternator
- Transfer switch
- Control panel
- Voltage regulator
Common Exclusions
- Battery replacement
- Fuel system maintenance
- Damage from improper fuel
- Exercise cycle wear items
- Unauthorized modifications
Warranty Details
| Coverage Type | Limited Warranty |
| Duration | 5 years |
| Transferable | Yes (fee: $50–$150) |
| Labor Coverage | Not included |
| Registration Required | Yes — within 90 days from purchase |
| Extended Warranty | Available ($150–$400) |
| Country of Origin | USA |
Warranty Claim Tips
- Generator warranties require documented maintenance every 200 hours or annually, whichever comes first
- Generac's 5-year warranty can be extended to 7 or 10 years at purchase
- Register within 30 days of installation for full coverage
HomeScore Pro Tips
- A generator replacement costs $5,000–$15,000 — extended warranty is strongly recommended
- Exercise your generator weekly to prevent warranty-voiding issues from sitting idle
Compare Standby Generator Warranties
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