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Firman W03381 vs Honda EG2800i

Firman W03381 vs Honda EG2800i

Comparing the Firman W03381 and Honda EG2800i inverter generators. See how 3300 vs 2500 running watts, weight, noise, and runtime stack up for your needs.

  • Firman W03381
  • Honda EG2800i

Comparison Overview

Analysis by AJ Quick
Mechanical engineer and founder of RightGenerator

The Firman W03381 delivers 3300 running watts compared to the Honda EG2800i's 2500 running watts, giving it a meaningful 800-watt advantage for powering larger loads. That extra capacity matters if you're running multiple appliances at once or need to handle tools with higher startup demands, since the Firman also peaks at 3650 starting watts versus the Honda's 2800. Both are gasoline-powered inverter generators with clean power output suitable for sensitive electronics, and both carry a 3-year warranty.

The tradeoff for the Firman's extra power is size and noise. At 87 pounds, it's roughly 20 pounds heavier than the Honda's 67.5 pounds, which makes a real difference when loading it into a truck bed or carrying it to a campsite. The Honda also runs quieter at 62 dB compared to the Firman's 58 dB (note: the Firman actually rates lower on the decibel scale, meaning it is the quieter unit despite its larger output). On runtime, the Honda edges ahead with 11.9 hours at 25% load versus the Firman's 10 hours.

Buyers who need more power in a single unit will lean toward the Firman, while those who value portability and longer runtime per tank may find the Honda a better everyday companion.

Key takeaways

  • Firman W03381 provides 3300 running watts, 800 more than the Honda EG2800i's 2500
  • Honda EG2800i weighs 67.5 pounds, nearly 20 pounds lighter than the Firman's 87 pounds
  • Firman W03381 operates at 58 dB, making it the quieter option despite more power
  • Honda EG2800i runs 11.9 hours at 25% load versus the Firman's 10 hours
  • Both are inverter generators producing clean power safe for sensitive electronics
  • Both carry a 3-year warranty and run on gasoline

Best use cases

Choose the Firman W03381 if you need a portable inverter generator that can handle heavier electrical loads without stepping up to a much larger, conventional unit. With 3300 running watts, it can comfortably power a small window AC unit, a refrigerator, and several lights simultaneously, making it a solid pick for home backup during short outages. On a job site, the extra wattage means you can run a circular saw or small compressor alongside a charger or radio without worrying about overloading the circuit. If you're tailgating or hosting outdoor events where you need to run a blender, speakers, and a TV at the same time, the Firman gives you breathing room. Just keep in mind that at 87 pounds, you'll want a buddy or a wheeled cart to move it around comfortably.

Choose the Honda EG2800i if portability and brand reliability are top priorities and your power needs are more modest. At 67.5 pounds, it's noticeably easier to transport, which matters for camping trips, RV use, or any situation where you're frequently loading and unloading the generator. The 11.9 hours of runtime at 25% load means you can run it overnight without refueling, a real convenience when you're powering a few lights, a phone charger, and a small fan at a campsite. Honda's reputation for engine longevity and easy parts availability also gives peace of mind for buyers who plan to keep their generator for many years. The tradeoff is clear, though: with only 2500 running watts, you'll need to be more selective about what you plug in at the same time, and running a large appliance like an AC unit may push the Honda to its limits.

Verdict & recommendation

If your priority is having enough power to run multiple appliances or moderate tools without juggling what's plugged in, the Firman W03381's 3300 running watts give it a clear practical edge. If you value a lighter, more portable package with longer runtime and you can work within 2500 watts, the Honda EG2800i is a well-built, dependable choice that's easier to move around.

Both generators produce clean inverter power, both run on gasoline, and both come with the same 3-year warranty coverage. The decision really comes down to whether you need the extra 800 watts of capacity or the extra portability and runtime efficiency. For home backup and heavier mixed loads, the Firman fits better. For camping, RV trips, and lighter everyday use, the Honda is hard to beat.

Last updated April 17, 2026

  • Model W03381
    Model W03381

    Firman 3,300W Gas Generator

    3300W
    Running
    58 dB
    Noise
    View details
  • Model EG2800i
    Model EG2800i

    Honda 2,500W Gas Generator

    2500W
    Running
    62 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
SpecificationFirman W03381Honda EG2800i
General
Product type
Generator
Generator
Fuel
Gasoline
Gasoline
InverterYesYes
Parallel capableYesNo
RV readyYesNo
Running watts
Winner: Winner: 3300 W
2500 W
Starting watts
Winner: Winner: 3650 W
2800 W
Noise (lower limit)
Winner: Winner: 58 dB
62 dB
Weight
87 lbs
Winner: Winner: 67.5 lbs
Run time @50% load
Not available
Winner: Winner: 8.7 h
Run time @25% load
10 h
11.9 h
Fuel tank
1.8 gal
2.1 gal
Fuel gaugeNoYes
Approx. dimensions (L × W × H)
23.2 x 17.8 x 17.9
16.9 x 17.6 x 18.9
Electrical
Voltage (AC)
120
120
Voltage (DC)
12
Not available
GFCI outletsNoNo
Covered outletsYesYes
Automatic Voltage RegulationYesYes
THD
3 %
3 %
Engine
Engine
193 cc Firman Max-Pro Series OHV 4-Stroke, Cast Iron Sleeve
186 cc Honda GC190LA 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
3300 W
2500 W
Starting watts
3650 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
Not available
8.7 h
Run time @25% load
10 h
11.9 h
Other
Data center
Not available
Not available
Indicators
true
true
Compliance
CARB, EPA
CARB, EPA, ANSI/PGMA G300-2023
Security
Not available
Not available
Spark arrestorYesYes
Neutral
Floating
Not available
UPC
840876133811
786102007399
Core / High-priority specs
Running Watts (Gasoline)
3300
2500
Starting Watts (Gasoline)
3650
2800
Runtime @ 50% Load (Gasoline)
Not available
8.7
Runtime @ 25% Load (Gasoline)
10
11.9
AC Outlet Types
1x Duplex 120V 20A (5-20R); 1x 120V 30A (TT-30R)
1x Duplex 120V 20A (5-20R); 1x 120V 30A (L5-30R)
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
OHV 4-Stroke
4-stroke
Engine Displacement
193
186
Cylinder Sleeve
Cast iron sleeve
Not available
Engine Oil Type
10W-30
10W-30
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
10
11.9
Runtime @ 50% Load (Gasoline)
Not available
8.7
Safety & compliance
Overload Protection System
Low oil and overload protection
Low oil and overload protection
Low Oil ProtectionYesYes
Carbon Monoxide MonitoringNoYes
Included equipment
Starting Components
Recoil
Not available
Included Accessories
Oil, funnel, tool kit, and battery charging cables
Not available
Warranty & identification
Commercial Warranty
3
Not available
Part Number
Not available
EG2800iAN, EG2800iAG
Additional specs
Summary
The Firman W03381 is a 3300-watt inverter generator built around a 193cc OHV 4-stroke engine with a cast iron sleeve. This wattage puts it in the mid-range portable segment, capable of powering a refrigerator, microwave, and several household circuits simultaneously, or running a single large tool on a job site. The 3650-watt starting capacity handles the inrush demand of compressors and air conditioning units. Because the W03381 runs on gasoline with a 1.8-gallon tank, users will find a 10-hour runtime at 25% load, which translates to roughly 2.5 hours of continuous full-load operation before refueling becomes necessary. The inverter topology and 3% THD output mean sensitive electronics like laptops, phones, and televisions receive stable, clean power without risk of damage. At 58 decibels, this generator operates at a volume comparable to normal conversation, making it suitable for residential neighborhoods and RV parks where noise restrictions apply.
The Honda EG2800i is a 2800-watt inverter generator designed for reliable home backup power, featuring advanced inverter technology for clean power suitable for sensitive electronics, and a lightweight, portable design.
  • Most Powerful
    Firman W03381
    3300W running
  • Quietest
    Firman W03381
    58 dB
  • Longest Runtime
    Honda EG2800i
    8.7h at 50% load
Where to buy
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Firman W03381
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Honda EG2800i
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