Yamaha EF2800iS Review

Yamaha EF2000iS Inverter Generator

yamaha-ef2000isThe Yamaha EF2000iS is a top of the line inverter generator. Yamaha has been making generator for decades, and after inverter technology became readily available, Yamaha was one of the first to introduce it’s capabilities into their line of generators.

The Yamaha EF2000iS produces 2000 watts of power during surge and 1,600 watts continious. For some utilties and heavy machinery, there is a larger than normal watt load for the first few seconds upon starting up. That’s why you will often see a cotinious watt power and a surge power a few hundred watts higher.

Never the less, a 2,000 watt inverter is a lot of power for most electronics, so you should be able to power the majority of your necessities.


  • 1600 watt rated AC output, 2000 watt maximum AC output, 13.3/16.7 amps @ 120V
  • Super-quiet muffler with USFS-approved spark arrestor – 51.5 dBA at 1/4 load
  • Smart Throttle varies engine speed based on load – improves fuel economy and reduces noise
  • Inverter system with Pulse Width Modulation (PWM) control
  • CARB Compliant

Quiet and Portable

People buy inverter generators only fora  few reason. First, is if you need to power sensitive electronics. Inverter technology is specifically designed to be safe to power electronics. Unlike regular portable generators which can damage your sensitive elctronics, inverter transfer the power in a significantly safer manner.

Not only does the inverter technology make them safe for electronics, it also make them significantly quiet and more efficient. At only 51.5dBA, you can be sure that your generator is nothing more than a whisper.

But how exactly does it make everything so quiet? The trick is the smart throttle which varies engine speed based on load. So if you’re only using a tenth of the generator’s power, the smart throttle will lower the generator’s output to match yours. Prety nifty and pretty handle.

Carb Compliant

The recent forest fires have caused an epidemic of caution when it comes to anything that could produce a spark. Therefore, California, the major state where the majority of the forest fires take place, has enacted a rule for generators required a special mechanism that will protect it from causing an unnecessary fire.

Electronically Safe

Like most inverter generators, this inverter is safe for electronics. But what this generator has that others don’t, is a pulse modulation control that makes it even safer.


You should purchase this generator is you think you might go camping or otherwise. 2,000 watts is enough for the majority of equipment, but if you plan on powering a stove, or a water hater, you’re going to need a larger generator, and an inverter is not the optimum choice.


Yamaha EF2800iS Review

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