Head to head
Yamaha EF3000iSEB vs Honda EU7000iS

Yamaha · Inverter Generator
Yamaha EF3000iSEB
~$2,399
2,800 W / 3,000 W surge · up to fridge, freezer and the essentials

Honda · Inverter Generator
Honda EU7000iS
~$4,999
5,500 W / 7,000 W surge · up to furnace blower, sump pump or a window AC
Quick takeThe Yamaha EF3000iSEB lists about $2,600 lower; the Honda EU7000iS puts out more sustained power (5,500 W); the Honda EU7000iS is quieter at 58 dB.
| Spec | Yamaha EF3000iSEB | Honda EU7000iS |
|---|---|---|
| Approx. price | ~$2,399 | ~$4,999 |
| Type | Inverter Generator | Inverter Generator |
| Fuel | Gasoline | Gasoline |
| Running / output watts | 2,800 W | 5,500 W |
| Starting / surge watts | 3,000 W | 7,000 W |
| Battery capacity | — | — |
| Expandable to | — | — |
| Noise | 61 dB | 58 dB |
| Runtime | 18.6 hrs at 1/4 load (3.4 gal tank) | 6.4–16 hrs on 5.1 gal (16 hrs @ 1/4 load) |
| Outlets | 2x 120V 20A duplex, 1x 120V 30A, 12V DC (12A) | 2x 120V 20A GFCI duplex, 1x 120V 30A (L5-30R), 1x 120/240V 30A (L14-30R) |
| Fuel tank | 3.4 gal | 5.1 gal |
| Weight | 156 lbs | 263 lbs |
| Transfer-switch ready | No | Yes |
| Warranty | 3-year limited | 3-year residential |
Highlighted cell is the better figure for that row.
Owner pros and cons
Yamaha EF3000iSEB
- +Electric start with key switch on the iSEB
- +Boost technology helps with air conditioner and tool startup surges
- +54.5 to 61 dBA, quiet for a 3 kW unit
- +CO sensor and low-oil shutdown
- −156 lbs; the wheels help on flat ground, but it is a two-person lift into a truck
- −About $2,400 list, expensive against dual-fuel competitors
- −30A outlet is 120V, not a 240V transfer-switch outlet
Honda EU7000iS
- +Quietest generator in the 5,500W class by a wide margin
- +Fuel injection means reliable cold starts and no carb service
- +16-hour quarter-load runtime covers a full night and day
- +240V L14-30R feeds a manual transfer switch properly
- +Long service lives in owner reports, with food-truck units passing 2,700 and 5,000 hours
- −$5,000 — cross-shops against installed home standby units
- −263 lbs; moving it up steps takes two people
- −Gasoline-only without aftermarket tri-fuel conversion
- −Honda parts and dealer service are expensive
- −No 50A outlet for larger transfer switch setups