PORTABLEGENERATORS InverterDual-FuelSolarStandbyAccessoriesSizing Guide
Head-to-Head · Revenue Queue 05

Honda EU2200i vs Yamaha EF2200iS: Premium 2200-Watt Inverters Compared

Reader-supported: some links on this page are affiliate links. As an Amazon Associate I earn from qualifying purchases, at no extra cost to you.

Honda EU2200i vs Yamaha EF2200iS: compare rated output, weight, noise, runtime, fuel capacity, portability, and the real differences between two premium inverter generators.

September 28, 2026 · PortableGenerators.co
Safety first: Never run a portable generator indoors or in a garage, shed, carport, porch, basement, crawlspace, or other enclosed/partly enclosed area. CPSC guidance is to operate outdoors only, at least 20 feet from the home, with exhaust directed away.
In this comparison
  1. Bottom line
  2. Specs that matter
  3. Real-world differences
  4. Who should buy which
  5. Safety
  6. FAQ
Bottom line: The Honda is the easier carry and has a strong U.S. feature ecosystem around CO-MINDER and app/Bluetooth support. The Yamaha counters with a larger fuel tank, published 10.5-hour quarter-load runtime, a fuel gauge and its tri-handle design. Both are 1,800-watt-rated inverter generators, so choose on portability, controls, local service and the exact U.S. model rather than expecting a major power difference.
How we chose: PortableGenerators.co compares current manufacturer-published output, fuel options, receptacles, starting method, portability, runtime claims, CO shutoff technology, and the way those features fit the buyer's actual load. We do not treat manufacturer peak wattage as continuous output, and we do not claim hands-on testing when the comparison is based on published specifications.

Specs that matter

SpecHonda EU2200iYamaha EF2200iS
Rated AC output1,800W1,800W
Maximum / model class2,200W max2,200W class
Dry weight47.4 lb25 kg / about 55 lb
Fuel tank0.95 gal4.7 L / about 1.24 gal
Quarter-load runtime8.1 hr10.5 hr
Published sound48 dBA @ 1/4 load; 57 dBA rated57 dBA @ 1/4 load; 65 dBA rated (global 120V/60Hz data)
StartRecoilRecoil
Parallel capableYesYes

Real-world differences

Portability

Honda has the clear spec-sheet advantage if you carry the generator frequently: roughly eight pounds lighter than the Yamaha data published on Yamaha's global 120V line. That difference is noticeable when lifting into a vehicle.

Runtime and fuel capacity

Yamaha's larger tank and 10.5-hour quarter-load claim make it attractive for long low-load operation. Honda's smaller tank reduces carried fuel weight but requires more frequent refueling under comparable light-load use.

Noise numbers need context

Honda publishes 48 dBA at quarter load and 57 dBA at rated load. Yamaha's global sheet lists 57 and 65 dBA at 7 meters. Those figures are not necessarily tested identically, so treat them as manufacturer-specific guidance rather than a lab-standard head-to-head.

Who should buy which?

Buy the Honda if…

You prioritize lower weight, Honda's U.S. dealer/service footprint, CO-MINDER and Bluetooth/app features on current U.S. models.

Buy the Yamaha if…

You value the larger tank, fuel gauge, long quarter-load runtime and Yamaha's handling design—and you have good local support for the exact regional model.

Shop Honda EU2200i

Check current versions, bundles, and seller inventory rather than assuming every listing is the same revision.

Check Honda EU2200i on Amazon Check eBay

Shop Yamaha EF2200iS

Compare the exact model number, included cables/hoses, warranty terms, and return policy before buying.

Check Yamaha EF2200iS on Amazon Check eBay

Generator safety is not optional

Portable generators are combustion engines. The U.S. Consumer Product Safety Commission says to operate them outside only, at least 20 feet from the home, with exhaust pointed away from the home and other occupied buildings. A garage, shed, carport, porch, basement, crawlspace, or partly enclosed area is not made safe by opening doors or windows. Install and maintain carbon-monoxide alarms on every level of the home and outside sleeping areas.

For home circuits, do not improvise a connection and never backfeed a house through a receptacle. A transfer switch or properly approved interlock/inlet arrangement should be selected and installed in accordance with the generator manual, electrical code, utility requirements, and qualified professional guidance. For rain or snow, follow the manufacturer's weather instructions rather than moving a running unit into an enclosure.

Output ratings also change by fuel. Propane and natural gas commonly produce less power than gasoline, so size the system around the fuel you actually expect to use. Verify the appliance nameplate, motor starting behavior, voltage, receptacle type, and generator manual before purchase.

FAQ

Which is quieter, Honda EU2200i or Yamaha EF2200iS?

Honda publishes lower dBA figures, but manufacturer noise tests can differ. Both are premium enclosed inverter generators and should be compared under similar real load conditions.

Can either run an RV air conditioner?

Some smaller RV AC units may start with appropriate soft-start equipment, but 1,800 rated watts is tight. A 3,000–4,500W class inverter is a safer target for typical RV AC use.

Are both safe for electronics?

Both use inverter regulation designed for clean portable power; verify the requirements of particularly sensitive equipment.

Primary spec & safety sources

Inverter generatorsDual-fuel generatorsGenerator sizing guideAccessories & safetyWattage Lab

Affiliate disclosure: PortableGenerators.co may earn a commission from qualifying Amazon and eBay purchases at no additional cost to you. Product availability and specifications can change; verify the current listing and manufacturer manual before purchase.