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Westinghouse iGen2800c vs Generac #7129 GP3000i

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

  • Model #7129 GP3000i
    Model #7129 GP3000i

    Generac 2,300W Gas Generator

    2300W
    Running
    0 dB
    Noise
    View details
  • Model iGen2800c
    Model iGen2800c

    Westinghouse 2,200W Gas Generator

    2200W
    Running
    52 dB
    Noise
    View details
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).
Generator Specifications Comparison
SpecificationGenerac #7129 GP3000iWestinghouse iGen2800c
General
Product type
Generator
Generator
Fuel
Gasoline
Gasoline
InverterYesYes
Parallel capableYesYes
RV readyNoNo
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 gaugeNoYes
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 outletsNoNo
Covered outletsNoYes
Automatic Voltage RegulationYesYes
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
GasolineNot availableNot 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 arrestorYesYes
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 ProtectionYesYes
Carbon Monoxide MonitoringNoYes
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 Powerful
    Generac #7129 GP3000i
    2300W running
  • Quietest
    Westinghouse iGen2800c
    52 dB
  • Longest Runtime
    Generac #7129 GP3000i
    4.5h at 50% load
Where to buy
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Generac #7129 GP3000i
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Westinghouse iGen2800c
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