Generac 2500i vs Westinghouse iGen2550DFc
What is the difference?
The Generac 2500i has 2.2 kW of running power, 2.5 kW peak. The Westinghouse iGen2550DFc has 1.9 kW of running power, 2.55 kW peak.
The Generac 2500i runs 4.5 h at half load, the Westinghouse iGen2550DFc runs 7 h at half load. The Westinghouse iGen2550DFc runs longer on a tank.
The Generac 2500i has a 1 gal tank, the Westinghouse iGen2550DFc has a 1.1 gal tank.
The Generac 2500i weighs 49 lb, the Westinghouse iGen2550DFc weighs 43 lb. The Westinghouse iGen2550DFc is easier to carry.
Specs side by side
| Generac 2500i | Westinghouse iGen2550DFc | |
|---|---|---|
| Running W | 2200 | 1900 |
| Peak W | 2500 | 2550 |
| Fuel | — | dual-fuel |
| Tank (gal) | 1 | 1.1 |
| Run time @50 % (h) | 4.5 | 7 |
| Noise (dB) | — | — |
| CO shutoff | yes | — |
| Weight (lb) | 49 | 43 |
| Warranty (yr) | — | 3 |
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Specs as read from manufacturer pages on 2026-10-26 / 2026-10-31. 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, Generac 2500i or Westinghouse iGen2550DFc?
The Generac 2500i. More running watts: 2200 W vs 1900 W.
Which is lighter, Generac 2500i or Westinghouse iGen2550DFc?
The Westinghouse iGen2550DFc. Lighter: 43 lb vs 49 lb.
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