Compare Generators Side-by-Side
Select up to 4 generators to compare specs, power output, noise levels, runtime and more. Your compare URL is shareable.
- Genmax GM2000i
- Westinghouse iGen2200c
Quick charts
Each chart uses its own Y-axis scale (so numbers are comparable within a chart).
Running watts
W
Starting watts
W
Noise
dB
Runtime @50%
h
Running watts by fuel
Shows how output changes across gasoline/propane/natural gas (when available).
| Specification | Genmax GM2000i | Westinghouse iGen2200c |
|---|---|---|
| General | ||
| Product type | Generator | Generator |
| Fuel | Gasoline | Gasoline |
| Inverter | Yes | Yes |
| Parallel capable | Yes | Yes |
| RV ready | No | No |
| Running watts | 1600 W | Winner: Winner: 1800 W |
| Starting watts | 2000 W | Winner: Winner: 2200 W |
| Noise (lower limit) | 58 dB | Winner: Winner: 52 dB |
| Weight | Winner: Winner: 34.2 lbs | 47.4 lbs |
| Run time @50% load | 8 h | Winner: Winner: 10 h |
| Run time @25% load | 10 h | 12 h |
| Fuel tank | 1.1 gal | 1.14 gal |
| Fuel gauge | No | No |
| Approx. dimensions (L × W × H) | 18.7 x 10.6 x 15.9 | 19.8 x 11.4 x 17.9 |
| Electrical | ||
| Voltage (AC) | 120 | 120 |
| Voltage (DC) | 5 | 5 |
| GFCI outlets | No | No |
| Covered outlets | Yes | Yes |
| Automatic Voltage Regulation | Yes | Yes |
| THD | ≤3% % | ≤3% % |
| Engine | ||
| Engine | 79.7 cc Dinking OHV 4-stroke | Westinghouse OHV 4-stroke |
| Alternator | Not available | Not available |
| Starting system | Recoil | Recoil |
| Warranty | ||
| Warranty | 1 years | 3 years |
| Power by fuel | ||
| Gasoline | Not available | Not available |
| Running watts | 1600 W | 1800 W |
| Starting watts | 2000 W | 2200 W |
| Running amps (120V) | Not available | Not available |
| Running amps (240V) | Not available | Not available |
| Peak amps (120V) | Not available | Not available |
| Peak amps (240V) | Not available | Not available |
| Run time @50% load | 8 h | 10 h |
| Run time @25% load | 10 h | 12 h |
| Other | ||
| Data center | Not available | Not available |
| Indicators | true | true |
| Compliance | EPA, ANSI/PGMA G300-2023 | CARB, EPA |
| Security | Not available | Not available |
| Spark arrestor | Yes | Yes |
| Neutral | Floating | Not available |
| UPC | 768494055363 | 850011336861 |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 1600 | 1800 |
| Starting Watts (Gasoline) | 2000 | 2200 |
| Runtime @ 50% Load (Gasoline) | 8 | 10 |
| Runtime @ 25% Load (Gasoline) | 10 | 12 |
| AC Outlet Types | 1x Duplex 120V 20A (5-20R) | 1x Duplex 120V 20A (5-20R) |
| Electrical & power | ||
| Frequency | 60 | 60 |
| Engine & construction | ||
| Engine Type | OHV 4-stroke | OHV 4-stroke |
| Engine Displacement | 79.7 | 80 |
| Engine Oil Type | 10W-30 | SAE 10W-30 |
| Runtime & fuel system | ||
| Runtime @ 25% Load (Gasoline) | 10 | 12 |
| Runtime @ 50% Load (Gasoline) | 8 | 10 |
| Safety & compliance | ||
| Overload Protection System | Low oil and overload protection | Not available |
| Low Oil Protection | Yes | Yes |
| Carbon Monoxide Monitoring | Yes | Yes |
| Included equipment | ||
| Included Accessories | Funnel and Tool Kit | Oil, funnel, and tool kit |
| Warranty & identification | ||
| Commercial Warranty | 1 | Not available |
| Additional specs | ||
| Summary | The Genmax GM2000i is a 1,600-watt gasoline inverter generator built for portable use. Its 2,000 starting watts handle brief motor surges, while the 1,600 running watts sustain household devices, power tools, and small appliances. At 34.2 lbs, it moves easily between campsites, job sites, and storage. | The Westinghouse iGen2200c is a portable inverter generator delivering 2,200 peak watts and 1,800 running watts. Weighing 47.4 lbs., it features a built-in carrying handle for easy portability. Operating as low as 52 dBA, it provides quiet operation suitable for various settings. The generator offers up to 12 hours of runtime on a 1.14-gallon gas tank and produces clean power with less than 3% Total Harmonic Distortion (THD), making it safe for sensitive electronics. Additional features include automatic low oil and carbon monoxide (CO) shutdown, two 120V 5-20R standard household outlets, and two 5V USB ports with rubber outlet covers. |
- Most PowerfulWestinghouse iGen2200c1800W running
- QuietestWestinghouse iGen2200c52 dB
- Longest RuntimeWestinghouse iGen2200c10h at 50% load
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Genmax GM2000i
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Westinghouse iGen2200c
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