
Westinghouse iGen2800c vs Generac #7129 GP3000i
Westinghouse iGen2800c runs longer and lighter, while Generac GP3000i adds a bit more surge power for tougher starts.
- Generac #7129 GP3000i
- Westinghouse iGen2800c
Comparison Overview
The biggest real-world difference is portability and run time versus a little extra starting muscle. The Westinghouse iGen2800c delivers 2200 running watts and 2800 starting watts at a very manageable 47.4 lb, and it’s rated at 52 dB, making it a strong fit for camping, RV use, and quieter neighborhoods.
The Generac #7129 GP3000i bumps output to 2300 running watts and 3000 starting watts, which can help with brief startup spikes from things like a fridge compressor or small power tools. The tradeoff is weight at 59.5 lb, and the provided noise spec isn’t listed here, so you’ll want to verify sound expectations if quiet operation is a top priority.
Run time is another separator: Westinghouse is listed at 12 hours at 25% load, while Generac is listed at 5.8 hours at 25% and 4.5 hours at 50%, suggesting more frequent refueling in typical use. Both are gasoline inverter generators with 3-year warranties, so either can be a solid choice depending on whether you value longer, lighter running or slightly higher surge capacity.
Key takeaways
- Westinghouse iGen2800c weighs 47.4 lb and is rated at 52 dB.
- Generac #7129 GP3000i provides 3000 starting watts and 2300 running watts.
- Westinghouse iGen2800c runs up to 12 hours at 25% load.
- Generac #7129 GP3000i runs about 5.8 hours at 25% load, 4.5 at 50%.
- Both are gasoline inverter generators with 3-year warranties.
Best use cases
Choose the Westinghouse iGen2800c if you care most about easy carrying and longer stretches between refueling. At 47.4 lb, it’s noticeably easier to lift in and out of a trunk, RV storage bay, or campsite setup than heavier inverters. Its 12-hour runtime at 25% load is a big advantage for overnight use—think running a few essentials like lights, device charging, a fan, or keeping a small fridge cold with less babysitting. The 52 dB rating also points toward a more campground- and neighborhood-friendly experience when you’re trying not to broadcast generator noise.
Choose the Generac #7129 GP3000i if your main concern is handling tougher starts and slightly higher demand without flirting with overload. With 3000 starting watts and 2300 running watts, it gives you a bit more headroom for compressor starts (portable AC, fridge/freezer cycling) or occasional tool use where the initial surge is what trips smaller units. The tradeoffs are practical: at 59.5 lb it’s less convenient to move around solo, and because the noise level isn’t provided here, it’s smart to confirm decibel ratings and user feedback if you’ll be using it near other people.
For home backup, both are best thought of as “essentials-only” inverters—great for refrigeration, charging, internet gear, and a few lights, but not for whole-home heating/cooling. For RV and camping, the Westinghouse leans toward comfort and convenience, while the Generac leans toward extra startup margin.
Verdict & recommendation
If your priority is a lighter generator that can run longer between fill-ups, the Westinghouse iGen2800c is the more convenient day-to-day companion, especially for camping, RV trips, and quieter settings with its 52 dB rating and 12 hours at 25% load.
If your priority is a bit more breathing room for startup surges—like a fridge compressor kicking on or a small tool that spikes briefly—the Generac #7129 GP3000i’s 3000 starting watts can be the safer pick, as long as you’re okay with the extra weight and you confirm noise expectations.
In practice, choose Westinghouse for portability and longer runtime, and choose Generac for slightly stronger surge handling when starts are the main challenge.
Last updated February 24, 2026
| Specification | Generac #7129 GP3000i | Westinghouse iGen2800c |
|---|---|---|
| General | ||
| Product type | Generator | Generator |
| Fuel | Gasoline | Gasoline |
| Inverter | Yes | Yes |
| Parallel capable | Yes | Yes |
| RV ready | No | No |
| Running watts | Winner: Winner: 2300 W | 2200 W |
| Starting watts | Winner: Winner: 3000 W | 2800 W |
| Noise (lower limit) | 0 dB | Winner: Winner: 52 dB |
| Weight | 59.5 lbs | Winner: Winner: 47.4 lbs |
| Run time @50% load | Winner: Winner: 4.5 h | Not available |
| Run time @25% load | 5.8 h | 12 h |
| Fuel tank | 1.06 gal | 1 gal |
| Fuel gauge | No | Yes |
| Approx. dimensions (L × W × H) | 22.2 x 13.3 x 18.4 | 19.8 x 11.7 x 17.9 |
| Electrical | ||
| Voltage (AC) | 120 | 120 |
| Voltage (DC) | 5 | 5 |
| GFCI outlets | No | No |
| Covered outlets | No | Yes |
| Automatic Voltage Regulation | Yes | Yes |
| THD | 3 % | 3 % |
| Engine | ||
| Engine | Generac OHV 4-stroke | 98 cc Westinghouse OHV 4-stroke |
| Alternator | Not available | Not available |
| Starting system | Recoil | Recoil |
| Warranty | ||
| Warranty | 3 years | 3 years |
| Power by fuel | ||
| Gasoline | Not available | Not available |
| Running watts | 2300 W | 2200 W |
| Starting watts | 3000 W | 2800 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 | 4.5 h | Not available |
| Run time @25% load | 5.8 h | 12 h |
| Other | ||
| Data center | Not available | Not available |
| Indicators | true | true |
| Compliance | CARB | CARB, EPA |
| Security | Not available | Not available |
| Spark arrestor | Yes | Yes |
| Neutral | Floating | Floating |
| UPC | 696471072716 | 850011336878 |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 2300 | 2200 |
| Starting Watts (Gasoline) | 3000 | 2800 |
| Runtime @ 50% Load (Gasoline) | 4.5 | Not available |
| Runtime @ 25% Load (Gasoline) | 5.8 | 12 |
| AC Outlet Types | 1x Duplex 120V 20A (5-20R) 1x 120V 30A (L5-30R) | 1x Duplex 120V 20A (5-20R) |
| Electrical & power | ||
| Frequency | 60 | 60 |
| Engine & construction | ||
| Engine Type | OHV 4-stroke | OHV 4-stroke |
| Engine Displacement | 149 | 98 |
| Engine Oil Type | 10W-30 / SAE 30 | Not available |
| Runtime & fuel system | ||
| Runtime @ 25% Load (Gasoline) | 5.8 | 12 |
| Runtime @ 50% Load (Gasoline) | 4.5 | Not available |
| Safety & compliance | ||
| Overload Protection System | Not available | Low oil and overload protection, CO monitoring |
| Low Oil Protection | Yes | Yes |
| Carbon Monoxide Monitoring | No | Yes |
| Included equipment | ||
| Included Accessories | Not available | Oil, funnel, and tool kit |
| Warranty & identification | ||
| Residential Warranty | 3 | Not available |
| Part Number | 7129 | Not available |
| Additional specs | ||
| Summary | The Generac GP3000i is a 2,300-watt inverter generator built for portable power in recreational and emergency settings. Its lightweight 59.5-pound frame and compact 22.2 x 13.3 x 18.4 inch footprint make it grab-and-go for camping, tailgating, and job sites. The 3-percent THD output protects laptops and phones from power surges. | The Westinghouse iGen2800c is a portable gasoline generator delivering 2800 peak watts and 2200 running watts. It features a CO sensor for safety, operates quietly at 52 dBA, and offers up to 12 hours of runtime on a 1.0-gallon gas tank. |
- Most PowerfulGenerac #7129 GP3000i2300W running
- QuietestWestinghouse iGen2800c52 dB
- Longest RuntimeGenerac #7129 GP3000i4.5h at 50% load


