Champion 8.5kW Home Standby (100177) vs Generac Guardian 10kW
What is the difference?
The Champion 8.5kW Home Standby (100177) has 8.5 kW of running power. The Generac Guardian 10kW has 10 kW of running power.
Both are dual-fuel.
The Champion 8.5kW Home Standby (100177) weighs 375 lb, the Generac Guardian 10kW weighs 337 lb. The Generac Guardian 10kW is easier to carry.
The Champion 8.5kW Home Standby (100177) has a 10-year warranty, the Generac Guardian 10kW has a 5-year warranty.
Specs side by side
| Champion 8.5kW Home Standby (100177) | Generac Guardian 10kW | |
|---|---|---|
| Running W | 8500 | 10000 |
| Peak W | — | — |
| Fuel | dual-fuel | dual-fuel |
| Tank (gal) | — | — |
| Run time @50 % (h) | — | — |
| Noise (dB) | 59.5 | — |
| CO shutoff | — | — |
| Weight (lb) | 375 | 337 |
| Warranty (yr) | 10 | 5 |
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Specs as read from manufacturer pages on 2026-10-26 / 2026-10-25. Specs one maker does not list are left out of the comparison. Sponsored links; we may earn a commission.
Common questions
Which has more running watts, Champion 8.5kW Home Standby (100177) or Generac Guardian 10kW?
The Generac Guardian 10kW. More running watts: 10000 W vs 8500 W.
Which is lighter, Champion 8.5kW Home Standby (100177) or Generac Guardian 10kW?
The Generac Guardian 10kW. Lighter: 337 lb vs 375 lb.
Which has the longer warranty, Champion 8.5kW Home Standby (100177) or Generac Guardian 10kW?
The Champion 8.5kW Home Standby (100177). Longer warranty: 10 years vs 5 years.
More comparisons
Compare other models → · All Champion models · All Generac models