Yamaha EF3000iS - 2800/3000W Inverter Generator
The Yamaha EF3000iS is a quiet inverter generator with a rated wattage of 2,800 W and a starting wattage of 3,000 W. (Read full specs)
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Acme Tools | Price history for the Yamaha EF3000iS |
|---|
| Highest Price $2,109.91 Lowest Price $1,899.91 Current Price $1,899.91 |
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Description
QUIET, CLEAN POWER AT A VALUE PRICE. Quiet and portable, this inverter has powerful features all backed by a 3‑year warranty.
Zoom on the Yamaha EF3000iS
In short, the Yamaha EF3000iS is a quiet portable inverter generator adequately designed for:
- DIYers who wish to improve their efficiency with tools
- Homeowners who want to be sure of their ability to power their fridges, cooking tools, heating and lighting equipment during power failures
- Tailgating and campground aficionados with the desire of enjoying power anywhere they go
- RV travellers wishing to enhance their freedom and nomad lifestyle
In the forthcoming sections, you'll delve into its power characteristics, the various outlets it offers, its overall portability, and the additional features it boasts.
Power & Run Time
The Yamaha EF3000iS
The Yamaha EF3000iS is powered by a 171 cc Yamaha MZ175 OHV 4-stroke engine. It delivers 120V, runs on gasoline and offers a running wattage of 2,800W as well as a peak wattage of 3,000W.
At a noise rating of 54.5 dBA (just slightly more noisy than a refrigerator), the inverter generator is started via a standard recoil pull-rope starting mechanism.
This generator features Yamaha's Smart Throttle™. This load-sensing feature automatically adjusts engine speed to match its load in order to offer greater fuel efficiency and noise reduction.
The EF3000iS's fuel tank, with a capacity of 3.4 gallons, supports uninterrupted operation for up to 18.6 hours when fully fueled (fuel consumption at an estimated 0.18 gallons per hour).
As the EF3000iS produces a clean sine wave, with a <3% Total Harmonic Distortion (THD), sensitive electronics may be plugged in the AC outlets safely.
Outlets
The control panel features the following 3 AC outlets:
Even if this Yamaha generator isn't quite RV Ready, it still allows for an easy RV connection via an L5-30P to TT-30R adaptor, thanks to its L5-30R receptacle.
Portability
With an inverter generator design, the Yamaha EF3000iS features a closed construction (L26.8 x W17.5 x H21.9 in), enhancing aesthetics and ensuring reduced noise levels, offering a distinct advantage over standard, open frame generators. This modern design aims to provide an ideal power solution to recreational users.
Even though this device may be technically portable (as in movable), manipulation and transportation without special equipment can be a challenge, as it weighs 136 pounds. Nonetheless, the limited maneuverability is compensated for by utilizing its set of 4 wheels and its double handle, which facilitates shifting once the generator is set on the ground.
Features
The EF3000iS's control panel
Light indicators on the device will notify you if the generator is on overload, the generator is ready and the oil level is too low.
The inverter generator allows for a quick, easy and convenient assessment of its gas level, as it is equipped with a built-in fuel gauge.
Security-wise, this product benefits from an overload protection (circuit breaker) and an automatic low oil shut-off (Oil Watch system), which gives you a complete peace of mind when using it.
Yamaha's Oil Watch warning system gives you an extra peace of mind. This feature enhances long-term durability by preventing engine damage and costly repairs. Once the oil begins to run low, the generator automatically shuts off and cannot be re-started until oil is added.
It also includes a carbon monoxide sensor. This sensor is designed to monitor the level of carbon monoxide present during the generator's operation. If the generator is positioned incorrectly and carbon monoxide levels rise to an unsafe level, the generator will automatically shut down.
Beyond the regular documentation and owner's manual (opens in a new tab) for quick start, Yamaha has included a battery charging cables in the packaging of the EF3000iS.
Product Video
The Yamaha EF3000iS versus other generators
The following charts are provided to give you an idea of how some of the key specs of the Yamaha EF3000iS compare to inverter generators of similar power (between 2500 and 3500 W).
- Tipping the scales at 136 lbs, the Yamaha EF3000iS qualifies as one of the heavier options among inverter generators rated between 2500 and 3500 watts. If weight is an important consideration for you, the Pulsar PGD40iSCO stands out as one of the top contenders in this power category, with a dry weight of 46 pounds.
- With a lowest possible noise of 54.5 dBA, this inverter generator places itself amongst the more quiet of the products delivering similar power. If noise emissions are one of your priorities, you may want to take a look at the Honda EU3000iS. It's one of the quietest options among generators of similar power, rated at 50 dBA.
- At 25% load, the EF3000iS achieves one of the longer run times compared to inverters of similar power, sustaining operations for up to 18.6 hours. If autonomy is your priority, one of the devices of a similar power output with the highest run time is the Champion 200977, reaching up to 22 hours.
- Autonomy holds its importance, however, it is largely dependent on the generator’s fuel capacity and so, it is nonsensible to discuss it without mentioning fuel efficiency as well. As this inverter generator uses an estimated 0.18 GPH (gallon per hour) at a 25% load, it finds itself in the average gasoline consumption range of similar products. If fuel consumption is your top priority, we suggest to check out the Honda EU3200i, which has a fuel consumption of only 0.14 GPH and thus, is one of the most efficient devices in our database.
Here's a list of the most popular specific comparisons:
Price comparison
As you can see from these interactive charts, when compared to other 2500-3500W inverter generators, the Yamaha EF3000iS is on the expensive side of the price range.
While certainly not the cheapest of its kind, purchasing it would most likely also mean enjoying the reliability of a high-end product.
The bottom line
- CO sensor
- Inverter
- Quiet for its power (54.5 dBA)
- High run time
- Made in Japan
- Decent fuel efficiency
- On the expensive side
- No data center
- No electric start
- No parallel ports
- On the heavy side (136 lbs)
Do you own the Yamaha EF3000iS and agree (or disagree) with these strengths and weaknesses?
Let us know and write your own review.
Features and Specifications
| Inverter | Yes |
|---|---|
| Parallel capable | No |
| RV ready | No |
| Fuel | Gasoline |
| Engine | 171 cc Yamaha MZ175 OHV 4-stroke |
| Starting system | Recoil |
| Warranty | 3 years |
| Voltage | AC: 120V 60 Hz |
|---|---|
| Running watts | 2,800 W |
| Starting watts | 3,000 W |
| Running amps | 23.3 amps |
| Peak amps | 25 amps |
| Run time @50% load | Unknown |
| Run time @25% load | 18.6 h |
| GFCI outlets | No |
|---|---|
| Covered outlets | No |
| Automatic Voltage Regulation | Inverter |
| AC outlets |
|
| DC outlets | No |
| Data center | No |
| Indicators | Low oil, overload and output ready |
| Fuel tank | Metal, 3.4 gal |
| Fuel gauge | Yes |
| Weight | 136 lbs |
|---|---|
| Approx. dimensions (L x W x H) | 26.8 x 17.5 x 21.9 in |
| Noise (lower limit) | 54.5 dBA |
| THD | < 3% |
| Compliance | CARB, EPA |
| Security | Low oil and overload protection, CO monitoring |
| Spark arrestor | Yes |
| Neutral | Floating |
| Accessories included | Battery charging cables |
| Country of origin | Japan |
| UPC | 810856030645 |
We've taken extra care to research and verify each of the specifications above. That said, occasional mistakes or omissions are still possible. If you spot any missing or inaccurate information, feel free to suggest a correction so we can address it.
About Yamaha
With a rich history of over 130 years, the Japanese based Yamaha Corporation, founded in 1887, has tipped its fingers in every industry imaginable, most notably motorcycles, musical instruments and electronics. The company boasts with a wide range of products, including many of the top rated portable generators. However, many of their models were made in China, rather than Japan. In 2023, Yamaha transfered its Power Products business to Willbe Co., Ltd. Yamaha generators are now no longer manufactured, with sales limited to existing stock.
Warranty Information
The Yamaha EF3000iS is covered under a warranty for up to 3 years. This warranty may be limited and may not cover all parts of the generator.
For more information about the warranty of Yamaha generators, please consult Yamaha's warranty policies (opens in a new tab). Alternatively, you can also contact their Customer Support: 1-800-962-7926.
Questions & Answers
What can it power?
| Item | Running Watts | Starting Watts | |
|---|---|---|---|
| At home | Refrigerator (energy star) | 192 | 1192 |
| Hair dryer | 1800 | 1900 | |
| Total | 1992 W | 2992 W | |
| For camping | Radiant heater | 1300 | 1300 |
| RV refrigerator | 180 | 600 | |
| Rice cooker | 650 | 650 | |
| Radio | 100 | 100 | |
| Total | 2230 W | 2650 W | |
| For work | Grinder | 1400 | 2500 |
| Drain cleaner | 250 | 250 | |
| Bug zapper | 80 | 80 | |
| Total | 1730 W | 2830 W |
Couldn't find the right answer for you? Ask your own question.
