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Firman WH02942 Spec Review

Picture of the Firman WH02942

The Firman WH02942 is a quiet and compact dual fuel portable inverter generator with a rated wattage of 2900 W and a starting wattage of 3200 W.

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Description

The FIRMAN WH02942 Inverter generator features 3200 starting watts and 2900 running watts. Power is supplied by our Max Pro Series 171cc FIRMAN engine which runs cool and efficient thanks to its Phoenix Fat Head Block. Our Whisper Series muffler keeps the Wh02942 running a quiet 58 decibels – well below the standards set by the National Parks Service, and our spark arrester has been approved by the USDA Forest Service. The 1.8-gallon fuel capacity provides a whopping 9 hours of run time. Starting is simple with the reliable FIRMAN electric start system. (source: Firman)

Zoom on the Firman WH02942

In a nutshell, the Firman WH02942 is a quiet and compact portable inverter generator mostly geared towards:

  • DIYers who wish to improve their efficiency with tools
  • Homeowners who want to be able to use the most necessary devices in their household, even during a blackout
  • Camping and tailgating hobbyists looking for a portable power source
  • RV travellers looking for even more independence

In the following paragraphs, we shall explore the power characteristics, available outlets, portability and any additional features of the device, along with its emission compliance information.

Power & Run Time

The Firman WH02942 in use

The Firman WH02942

With its dual-fuel technology, the powerful and versatile Firman WH02942 provides an output of 120V. While gasoline-powered, it gives a running wattage of 2900W along with a peak wattage of 3200W. While propane-powered, it provides 2600 rated watts and 2900 starting watts. Moreover, since it is parallel capable (Firman parallel kit not included), its power may be doubled if linked to a second compatible unit.

The inverter generator features a simple traditional pull-start mechanism and also a convenient and easy-to-use electric starter (battery included). It is rated for a noise of 58 dBA (less noisy than rainfall).

As for its running time, the WH02942, along with its 1.8 gallon fuel capacity, can run for up to 9 hours with a full tank filled with gasoline (fuel consumption around 0.2 GPH). Unfortunately, and despite our research efforts, we couldn't find any information regarding its runtime when using propane. Don't hesitate to let us know if you know it.

The WH02942 generates a clean sine wave: providing <3% Total Harmonic Disruption (THD), delicate electronics can be plugged in its AC outlets safely.

Outlets

The control panel features the following 3 AC outlets:

Duplex 120V 20A (5-20R)
120V 30A (TT-30R) receptacle

In addition, it provides 2 DC outlets: there's a 5V USB port with which charging of electronics like mobile phones and tablets is made convenient and a 12V 8A receptacle with which you may charge your batteries with ease.

With its TT-30R receptacle (TT as in 'Travel Trailer'), this Firman generator is RV Ready.

Portability

Since the Firman WH02942 is an inverter generator, its closed design (L23.2 x W17.8 x H17.9 in) has an esthetical advantage over conventional, open frame devices. This type of design is the most modern and convenient way to recreationally generate power.

The WH02942's dry weight of 97 lbs lets you use its power anywhere needed. Additionally, it can be easily moved with the help of a wheel kit (⌀5") and a folding handle, once it is on the ground.

Features

Panel of the Firman WH02942

The WH02942's control panel

The WH02942's status and activity may be monitored conveniently via the control panel, as it features a convenient meter showing you voltage, frequency and lifetime hours.

In addition to this info, when the oil level is too low, the generator is overloaded and the generator is ready, you will be informed by the featured light indicators.

As far as security is concerned, the generator can be used with a peace of mind, as it features an automatic low oil shut-off and an overload protection (circuit breaker).

With the basic documentation and a user manual, letting you start the generator quickly, the Firman WH02942 also comes with several accessories, including: battery charger, oil, funnel, tool kit and propane hose.

Emissions

The Firman WH02942 is EPA-approved and CARB-compliant. It can therefore be sold and purchased in all 50 states, including California.

Moreover, it features a spark arrestor, so it is adequate for use in forested areas.

Product Video

Video of the Firman WH02942

The Firman WH02942 versus other generators

The following charts are provided to give you an idea of how some of the key specs of the Firman WH02942 compare to generators of similar power (between 2500 and 3500 W).

  • With a dry weight of 97 pounds, the Firman WH02942 finds itself in the expected weight range for generators able to produce between 2500 and 3500 rated watts. If weight matters to you, one of the champions in this power range is the WEN GN400i with only 66.1 pounds.
  • As its lowest possible noise is rated at 58 dBA, this inverter generator qualifies as one of the more quiet of the products of similar power. For those who are looking for a less noisy device, we suggest the Honda EU3000iS. With just 50 dBA, it is one of the most quiet devices in this power range.
  • The WH02942’s autonomy is somewhat low end compared to devices of its power range, as it reaches only up to 9 hours at 25% load on a full tank. Furthermore, considering the run times, one of the generators which have a roughly same power output, with the highest autonomy, is the Honda EU3000iS, as it provides up to 20 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. This inverter generator has an average fuel consumption among comparably powerful devices, as it reaches 0.2 GPH (gallon per hour) at a 25% load. If you are concerned with gasoline efficiency, having a fuel consumption of just 0.13 GPH, the Energizer eZV3200P is a device you should look out for.

Price comparison

As you can see from this dynamic chart, when compared to other 2500-3500W generators, the Firman WH02942 is on the average side of the price range.

Therefore, this generator nicely fits in the expected budget for this kind of product.

The bottom line

STRENGTHS:
  • In the expected price range
  • Several accessories included
  • RV Ready
  • Electric start
  • Parallel capable
  • Dual Fuel
  • Inverter
  • Quiet for its power (58 dBA)
AVERAGE SPECS:
  • Decent weight (97 lbs)
  • Decent fuel efficiency
WEAKNESSES:
  • No remote start
  • Relatively low run time

Do you own the Firman WH02942 and agree (or disagree) with these strengths and weaknesses?

Let us know and write your own review.

Features and Specifications

General

InverterYes
PortableYes
Parallel capableYes, cable not included
RV readyYes
FuelDual Fuel (gasoline/propane)
Engine171 cc Firman Max-Pro Series OHV 4-stroke
Starting systemRecoil, Electric

Power

VoltageAC: 120V 60 Hz, DC: 12V
GasolinePropane
Running watts2900 W2600 W
Starting watts3200 W2900 W
Running amps24.2 amps21.7 amps
Peaks amps26.7 amps24.2 amps
Run time @50% loadN/AN/A
Run time @25% load9 hN/A

Features

GFCI outletsNo
Covered outletsYes
Automatic Voltage RegulationYes
AC outlets1x Duplex 120V 20A (5-20R)
1x 120V 30A (TT-30R)
DC outlets1x 5V USB port
1x 12V 8A receptacle
Data centerVFT
IndicatorsLow oil, overload and output ready
Fuel tankSteel, 1.8 gal
Fuel gaugeNo

Misc

Weight97 lbs
Dimensions (L x W x H)23.2 x 17.8 x 17.9 in
Noise (lower limit)58 dBA
THD< 3%
EmissionsCARB, EPA
SecurityLow oil and overload protection
Spark arrestorYes
NeutralFloating
Accessories includedOil, funnel, tool kit, battery charger and propane hose
WarrantyLifetime

Unlike many websites, we did our best to research each of the specs above. That being said, we are not immune to making the occasional mistake or omission. Should you notice any missing or incorrect values, don't hesitate to suggest improvements so we can address the issue.

About FIRMAN Power Equipment

Founded in 1999, Firman Power Equipment is a company with a short, but established history in the power equipment industry. Based in Arizona, the company offers an immense range of products, including power tools, automotive equipment, storage utilities, work wear, but most importantly, a wide selection of generators of all sizes, designs and outputs. Interestingly, Firman is a wholly owned subsidiary of the China National Machinery Industry Corporation - a somewhat well renowned company in China and acts as a de facto distributor of their products in the US.

Warranty Information

The Firman WH02942 is covered under a lifetime warranty. This warranty may be limited and may not cover all parts of the generator.
For more information about the warranty of Firman generators, please consult Firman's warranty policies. Alternatively, you can also contact their Customer Support: 1-844-FIRMAN1 (844-347-6261).

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