Yamaha EF3000iSEB

Yamaha · model EF3000iSEB

Inverter Generator · Gasoline

Yamaha EF3000iSEB

~$2,399approx. list price

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  1. 800 WLights, phones, router, a CPAP
  2. 2,200 WFridge, freezer and the essentials
  3. 4,000 WFurnace blower, sump pump or a window AC
  4. 7,500 WWell pump or a small central AC
  5. 18,000 WWhole home with central air

2,800 W running, 3,000 W surge — sustains the fridge, freezer and the essentials tier and everything below it.

Best forRVers and homeowners who want electric start and a quiet 3 kW inverter from a maker with a long track record, and can live with 156 lbs.

The big Yamaha inverter has a reputation among owners as a quiet, heavy workhorse. The iSEB adds electric start and Yamaha Boost, which senses when an air conditioner or a power tool is about to draw a startup surge and gives the engine more headroom. At 2,800 watts running it covers a furnace, a fridge, a sump pump and lights, and owners say it starts most RV air conditioners that the 2 kW class cannot. Runtime is the standout: 18.6 hours at a quarter load on 3.4 gallons. The cost is the weight. At 156 lbs it is heavy for a 3 kW inverter; the built-in wheels and parking brake handle flat ground, but lifting it into a truck is a two-person job. The 30A outlet is a 120V plug, so it does not feed a 240V transfer switch. List price runs around $2,400, a steep premium over dual-fuel 3.5 kW units.

From the spec sheet

Specifications

Running watts
2,800 W
Starting watts
3,000 W
Fuel tank
3.4 gal
Runtime
18.6 hrs at 1/4 load (3.4 gal tank)
Type
Inverter Generator
Fuel
Gasoline
Noise
61 dB
Outlets
2x 120V 20A duplex, 1x 120V 30A, 12V DC (12A)
Transfer-switch ready
No
Weight
156 lbs
Warranty
3-year limited
Model
EF3000iSEB

2,800 W running, 3,000 W surge·Electric start and Boost·18.6 hrs at 1/4 load

At a glance

Strengths

  • +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

At a glance

Drawbacks

  • −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

Head to head

Compare the Yamaha EF3000iSEB

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