Champion 12.5kW Home Standby (100179) vs Generac EcoGen 15kW
What is the difference?
The Champion 12.5kW Home Standby (100179) has 12.5 kW of running power. The Generac EcoGen 15kW has 15 kW of running power.
Both are dual-fuel.
The Champion 12.5kW Home Standby (100179) weighs 425 lb, the Generac EcoGen 15kW weighs 461 lb. The Champion 12.5kW Home Standby (100179) is easier to carry.
The Champion 12.5kW Home Standby (100179) has a 10-year warranty, the Generac EcoGen 15kW has a 5-year warranty.
Specs side by side
| Champion 12.5kW Home Standby (100179) | Generac EcoGen 15kW | |
|---|---|---|
| Running W | 12500 | 15000 |
| Peak W | — | — |
| Fuel | dual-fuel | dual-fuel |
| Tank (gal) | — | — |
| Run time @50 % (h) | — | — |
| Noise (dB) | 63 | — |
| CO shutoff | — | — |
| Weight (lb) | 425 | 461 |
| Warranty (yr) | 10 | 5 |
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Specs as read from manufacturer pages on 2026-10-26 / 2026-10-26. 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 12.5kW Home Standby (100179) or Generac EcoGen 15kW?
The Generac EcoGen 15kW. More running watts: 15000 W vs 12500 W.
Which is lighter, Champion 12.5kW Home Standby (100179) or Generac EcoGen 15kW?
The Champion 12.5kW Home Standby (100179). Lighter: 425 lb vs 461 lb.
Which has the longer warranty, Champion 12.5kW Home Standby (100179) or Generac EcoGen 15kW?
The Champion 12.5kW Home Standby (100179). Longer warranty: 10 years vs 5 years.
More comparisons
- Champion 12.5kW Home Standby (100179) vs Generac Guardian 10kW
- Generac EcoGen 15kW vs Champion aXis 14kW
Compare other models → · All Champion models · All Generac models