The FIRMAN Dual Fuel Portable Generator 7125/5700W Electric Start 120/240V (H05751) is rated 700 running watts higher. The FIRMAN Dual Fuel Portable Generator 7125/5700W Electric Start 120/240V (H05751) runs on 2 fuels; the other on 1. The Westinghouse Outdoor Power iGen5000 Inverter Generator is an inverter model; the other is not.
Side by side
| Specification | FIRMAN Dual Fuel Portable Generator 7125/5700W Electric Start 120/240V (H05751) | Westinghouse Outdoor Power iGen5000 Inverter Generator |
|---|---|---|
| Brand | FIRMAN | Westinghouse Outdoor Power |
| Running watts | 5,700 W | 5,000 W |
| Starting watts | 7,125 W | — |
| Fuel types | Gasoline, Propane | Gasoline |
| Fuel tank (gasoline) | 8 gal | 3.4 gal |
| Runtime (as stated) | — | up to 18 h |
| Noise (as stated) | — | 52 dB |
| Weight | — | 126.5 lb |
| Starting system | — | — |
| Inverter | No | Yes |
| Carbon monoxide shutoff | Not listed | Listed |
| Parallel capable | — | — |
| Warranty | — | 3 Year Limited |
| Household appliances it can run by watts (calc) | 19 of 20 | 19 of 20 |
| Price per running watt (calc) | $0.19 | $0.22 |
| Price seen | $1,100 | $1,099 |
| Sellers | 1 | 1 |
Highlighted rows differ. Figures come from each product's sources; runtime, recharge and cost rows are Wattstanding calculations using the same method for both.
Which should you choose?
FIRMAN Dual Fuel Portable Generator 7125/5700W Electric Start 120/240V (H05751)
Choose the FIRMAN Dual Fuel Portable Generator 7125/5700W Electric Start 120/240V (H05751) if you need more watts at once or fuel flexibility matters.
Westinghouse Outdoor Power iGen5000 Inverter Generator
Choose the Westinghouse Outdoor Power iGen5000 Inverter Generator if you power sensitive electronics.
Before you buy either
- Total your loads with the appliance load & runtime calculator.
- Confirm what each seller includes — accessories, software trials and bundles change often.
- Read the limitations on each full reference page.
Wattstanding compares published specifications; we have not tested these products side by side. How we work · Disclosure