Firman WH03562OF vs Generac iQ5200
What is the difference?
The Firman WH03562OF has 3.5 kW of running power, 4.4 kW peak. The Generac iQ5200 has 3.9 kW of running power, 5.2 kW peak.
Both are dual-fuel.
The Firman WH03562OF has a 6 gal tank, the Generac iQ5200 has a 3.2 gal tank.
The Firman WH03562OF weighs 119 lb, the Generac iQ5200 weighs 111 lb. The Generac iQ5200 is easier to carry.
Specs side by side
| Firman WH03562OF | Generac iQ5200 | |
|---|---|---|
| Running W | 3500 | 3900 |
| Peak W | 4400 | 5200 |
| Fuel | dual-fuel | dual-fuel |
| Tank (gal) | 6 | 3.2 |
| Run time @50 % (h) | — | 9 |
| Noise (dB) | — | — |
| CO shutoff | — | yes |
| Weight (lb) | 119 | 111 |
| Warranty (yr) | 3 | — |
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Specs as read from manufacturer pages on 2026-10-31 / 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, Firman WH03562OF or Generac iQ5200?
The Generac iQ5200. More running watts: 3900 W vs 3500 W.
Which is lighter, Firman WH03562OF or Generac iQ5200?
The Generac iQ5200. Lighter: 111 lb vs 119 lb.
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Compare other models → · All Firman models · All Generac models