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Honda EU2200i vs Genmax GM2200i

Honda EU2200i vs Genmax GM2200i

Comparing the Honda EU2200i and Genmax GM2200i inverter generators. Both deliver 1800 running watts, but differ in noise, weight, warranty, and price.

  • Genmax GM2200i
  • Honda EU2200i

Comparison Overview

The Honda EU2200i and Genmax GM2200i are nearly identical on paper, both offering 1800 running watts and 2200 starting watts from gasoline-powered inverter engines. The real differences come down to noise, build quality, warranty, and price. The Honda runs at a whisper-quiet 48 dB, which is a full 10 decibels quieter than the Genmax at 58 dB. Since decibels are measured on a logarithmic scale, that gap means the Honda is roughly three times quieter in perceived loudness, a significant advantage for camping, tailgating, or any noise-sensitive environment.

The Genmax fights back with a lighter frame at 41.9 lbs compared to the Honda's 47.4 lbs, and it actually delivers better runtime at half load, stretching to 6 hours versus the Honda's 4 hours. At quarter load, they're nearly identical at around 8 hours each. However, Honda backs its generator with a 3-year warranty, tripling the Genmax's 1-year coverage, which reflects the brand's confidence in long-term reliability.

Budget-conscious buyers who want solid performance and lighter weight may lean toward the Genmax. Those who value proven reliability, significantly quieter operation, and stronger warranty support will find the Honda worth the premium.

Key takeaways

  • Both generators deliver 1800 running watts and 2200 starting watts from inverter engines
  • Honda EU2200i runs at 48 dB, roughly three times quieter than the Genmax at 58 dB
  • Genmax GM2200i weighs 41.9 lbs, about 5.5 pounds lighter than the Honda
  • Genmax offers 6 hours at half load versus Honda's 4 hours at half load
  • Honda includes a 3-year warranty, tripling the Genmax's 1-year coverage
  • Both run approximately 8 hours at quarter load for light-duty use

Best use cases

Choose the Honda EU2200i if you plan to use your generator in noise-sensitive settings. At 48 dB, it's one of the quietest portable generators available, making it ideal for campgrounds with noise restrictions, outdoor events, or running overnight near sleeping areas. The 3-year warranty also makes it a strong pick if you want peace of mind over the long haul. Honda's reputation for engine durability means you're less likely to deal with maintenance headaches years down the road. If you're an RV owner who camps frequently, the near-silent operation is hard to overstate. You can run a few appliances, charge devices, and keep a small air conditioner going without disturbing your neighbors.

Choose the Genmax GM2200i if you're working within a tighter budget and want comparable wattage in a lighter package. At 41.9 lbs, it's about 5.5 pounds lighter than the Honda, which matters when you're loading and unloading from a truck bed or carrying it across uneven ground. The Genmax also offers a notably better half-load runtime of 6 hours compared to the Honda's 4 hours, so if you tend to run moderate loads for extended periods, you'll refuel less often. It's a reasonable choice for occasional tailgating, emergency home backup for small loads, or as a secondary generator you don't plan to use every weekend.

The tradeoff is real, though. The Genmax is noticeably louder, and the 1-year warranty means you're taking on more risk if something goes wrong after the first year. If you only need a generator a few times a year and want to save money upfront, the Genmax delivers the watts. If you're a frequent user who values quiet and longevity, the Honda earns its higher price.

Verdict & recommendation

If your top priority is quiet operation and long-term reliability, the Honda EU2200i is the stronger choice. Its 48 dB noise level and 3-year warranty set it apart in ways that matter over years of ownership. If you're more focused on keeping costs down and want a lighter generator with better fuel efficiency at moderate loads, the Genmax GM2200i is a capable alternative that delivers the same core wattage.

Neither generator is a bad buy. They serve the same power needs but cater to different buyer priorities. Frequent users and noise-conscious campers will get the most value from the Honda. Occasional users and budget-minded shoppers can save meaningfully with the Genmax without sacrificing essential performance.

Last updated March 13, 2026

  • Model GM2200i
    Model GM2200i

    Genmax 1,800W Gas Generator

    1800W
    Running
    58 dB
    Noise
    View details
  • Model EU2200i
    Model EU2200i

    Honda 1,800W Gas Generator

    1800W
    Running
    48 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
SpecificationGenmax GM2200iHonda EU2200i
General
Product type
Generator
Generator
Fuel
Gasoline
Gasoline
InverterYesYes
Parallel capableYesYes
RV readyNoNo
Running watts
Winner: Winner: 1800 W
Winner: Winner: 1800 W
Starting watts
Winner: Winner: 2200 W
Winner: Winner: 2200 W
Noise (lower limit)
58 dB
Winner: Winner: 48 dB
Weight
Winner: Winner: 41.9 lbs
47.4 lbs
Run time @50% load
Winner: Winner: 6 h
4 h
Run time @25% load
8 h
8.1 h
Fuel tank
1 gal
0.95 gal
Fuel gaugeNoNo
Approx. dimensions (L × W × H)
18.9 x 11.4 x 17.3
20 x 11.4 x 16.7
Electrical
Voltage (AC)
120
120
Voltage (DC)
5
Not available
GFCI outletsNoNo
Covered outletsYesYes
Automatic Voltage RegulationYesYes
THD
<3% %
3 %
Engine
Engine
79.7 cc Dinking OHV 4-stroke
121 cc Honda GXR120 OHV 4-stroke, cast iron sleeve.
Alternator
Not available
Not available
Starting system
Recoil
Recoil
Warranty
Warranty
1 years
3 years
Power by fuel
GasolineNot availableNot available
Running watts
1800 W
1800 W
Starting watts
2200 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
6 h
4 h
Run time @25% load
8 h
8.1 h
Other
Data center
Not available
Not available
Indicators
true
true
Compliance
EPA, ANSI/PGMA G300-2023
EPA, ANSI/PGMA G300-2023
Security
Not available
Not available
Spark arrestorYesYes
Neutral
Not available
Floating
UPC
738349925141
786102007290
Core / High-priority specs
Running Watts (Gasoline)
1800
1800
Starting Watts (Gasoline)
2200
2200
Runtime @ 50% Load (Gasoline)
6
4
Runtime @ 25% Load (Gasoline)
8
8.1
AC Outlet Types
1x Duplex 120V 20A (5-20R)
1x Duplex 120V 20A (5-20R)
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
Dinking OHV 4-stroke
Not available
Engine Displacement
79.7
121
Cylinder Sleeve
Not available
cast iron sleeve
Engine Oil Type
10W-30
Not available
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
8
8.1
Runtime @ 50% Load (Gasoline)
6
4
Safety & compliance
Overload Protection System
Low oil and overload protection, CO monitoring
Low oil and overload protection
Low Oil ProtectionYesYes
Carbon Monoxide MonitoringYesYes
Included equipment
Included Accessories
Funnel and tool kit
Not available
Warranty & identification
Part Number
Not available
EU2200iTAN
Additional specs
Summary
The GENMAX GM2200i is a 2200-watt gasoline inverter generator featuring a 79.7cc engine, CO detection, and parallel capability, designed for quiet and efficient power supply.
The Honda EU2200i is a 1800-watt inverter generator built for users who need portable, clean power without sacrificing runtime. At 47.4 lbs, it moves easily between locations. Its 3% THD output protects laptops, phones, and sensitive electronics from voltage spikes. Gasoline fuel and an 8.1-hour runtime at 25% load make it practical for camping, job sites, and emergency backup.
  • Most Powerful
    Genmax GM2200i
    1800W running
  • Quietest
    Honda EU2200i
    48 dB
  • Longest Runtime
    Genmax GM2200i
    6h at 50% load
Where to buy
Prices can change. We update these automatically.
Genmax GM2200i
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Honda EU2200i
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