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DuroStar DS12000EH Spec Review

The DuroStar DS12000EH is a powerful open frame dual fuel generator with a rated wattage of 9500 W and a starting wattage of 12000 W.

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DuroStar DS12000EHDuroStar DS12000EHDuroStar DS12000EHDuroStar DS12000EH
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Description

Powerful and versatile, the DS12000EH is ready for anything. Perfect for home backup, the dual fuel option doubles fuel life when running propane, making this unit an effective, low-maintenance solution for your home standby needs. Producing over 12,000 watts you can rest assured you will stay powered through any storm. (source: DuroStar (opens in a new tab))

Zoom on the DuroStar DS12000EH

In a nutshell, the DuroStar DS12000EH is a powerful portable generator mostly geared towards:

  • Homeowners who wish to power almost all appliances in their house under any circumstances
  • Professionals who want to be able to deliver results, even during a power failure

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 DuroStar DS12000EH in use

The DuroStar DS12000EH

With its dual-fuel technology, the powerful and versatile DuroStar DS12000EH provides an output of 120/240V. While gasoline-powered, it gives a running wattage of 9500W along with a peak wattage of 12000W. While propane-powered, it provides 8750 rated watts and 10500 starting watts.

With a noise rating of 74 dBA (just slightly more noisy than a vacuum cleaner), the generator features a conventional pull-start mechanism, but also a simple and elegant electric starter (battery included).

The running time of the DS12000EH, with its 8.3 gallons fuel capacity, can reach around 8 hours at 50% load on a full tank of gasoline (fuel consumption around 1.04 GPH). With propane, it can reach around 4 hours (on a 20 lbs tank - propane consumption around 1.18 GPH).

The quite high THD (<12%) of the DS12000EH makes it unsuitable for powering sensitive electronic devices.

Outlets

The control panel provides the upcoming 5 AC outlets:

Duplex 120V 20A (5-20R) GFCI
120V 30A (L5-30R) receptacle
120/240V 30A (L14-30R) receptacle
120/240V 50A (14-50R) receptacle

Additionally, it features 1 DC outlet: there's a 12V 8A output allowing you to easily charge your batteries.

This DuroStar generator features an L5-30R receptacle, enabling an easy RV connection via an L5-30P to TT-30R adaptor. However, it is still not quite RV ready. Besides, as it features a twist-lock L14-30R receptacle, the DS12000EH is transfer switch ready: in case of a power outage, you will be easily able to connect it to a breaker box and power your household.

Portability

The design of the DuroStar DS12000EH is a typical, open frame, with the dimensions of L29 x W30 x H26 in, offering support and stability and enabling the possibility of raising it above ground level. The featured design is ideal for the outdoors and all tough environments.

Although this generator is technically considered 'portable' (in the sense that it can be moved), its 224 lbs make it incredibly difficult to manually lift and transport. However, its challenging mobility is solved by its wheel kit and its folding handle, which will ease its displacement, once it is on the floor.

Features

Panel of the DuroStar DS12000EH

The DS12000EH's control panel

The control panel of the DS12000EH includes a convenient voltmeter, which provides an easy way to monitor power output anytime, helpful for the monitoring of its status and activity.

In addition to this info, a light indicator shows you if the oil level is too low.

A built-in fuel gauge allows for a quick, easy and convenient check of the fuel level of the generator.

Security-wise, this product benefits from an automatic low oil shut-off and an overload protection (circuit breaker), which gives you a complete peace of mind when using it.

Apart from the typical documentation and an owner's manual (opens in a new tab), which lets you start it right away, the DuroStar DS12000EH also is packed along with the following accessories: tool kit, propane hose, funnel and battery charging cables. An official storage cover is also available, as a separate purchase.

Emissions

The DuroStar DS12000EH is EPA-approved and CARB-compliant. Thus, selling and purchasing this generator is allowed in each of the 50 states, including California.

Moreover, it features a spark arrestor, making it usable in forested areas.

The DuroStar DS12000EH versus other generators

The following charts are provided to give you an idea of how some of the key specs of the DuroStar DS12000EH compare to generators of similar power (between 9000 and 10000 W).

  • As far as its dry weight is concerned, the DuroStar DS12000EH weighs just 224 pounds and thus, it is one of the lighter 9000 to 10000 rated wattage generators. Regarding dry weight, one of the champions in the same power range is the Rainier R12000DF, with a dry weight of only 196 lbs.
  • Because this generator emits noise as low as 74 dBA, it can be considered to have a pretty average expected noise rating for a device of its power. For those who are looking for a less noisy device, we suggest the A-iPower SUA13000EFI. With just 69 dBA, it is one of the most quiet devices in this power range.
  • Autonomy-wise, with around 8 hours on a full tank at a 50% load, the DS12000EH is on the low end when compared to other generators of a similar power output. If concerned with autonomy, one of the products of a comparable power output, which offers the highest run time, is the Powerhorse 13000ES, boasting with around 15 hours.
  • Run times are important, yet thanks to their dependence on the fuel capacity, they should be judged along with the fuel consumption of the device. In fact, this generator is not among the most fuel efficient, within the aforementioned wattage range : its estimated gasoline consumption at 50% load is around 1.04 GPH. If you are concerned with gasoline efficiency, having a fuel consumption of just 0.55 GPH, the Westinghouse WGen9500DF is a device you should look out for.
According to our stats, the following comparison is pretty popular: DuroStar DS12000EH vs DuroMax XP12000EH.

Price comparison

As you can see from this interactive chart, when compared to other 9000-10000W generators, the DuroStar DS12000EH 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
  • GFCI Outlets
  • Electric start
  • Dual Fuel
  • Lightweight for its kind (224 lbs)
AVERAGE SPECS:
  • Acceptable noise (74 dBA)
WEAKNESSES:
  • No remote start
  • Relatively low run time
  • Low fuel efficiency

Do you own the DuroStar DS12000EH and agree (or disagree) with these strengths and weaknesses?

Let us know and write your own review.

Features and Specifications

General
InverterNo
PortableYes
Parallel capableNo
RV readyNo
FuelDual Fuel (gasoline/propane)
Engine457 cc OHV 4-stroke
Starting systemRecoil, Electric
VoltageAC: 120/240V 60 Hz, DC: 12V
Power
 GasolinePropane
Running watts9500 W8750 W
Starting watts12000 W10500 W
Running amps (@120/240V)79.2/39.6 amps72.9/36.5 amps
Peak amps (@120/240V)100/50 amps87.5/43.8 amps
Run time @50% load8 h4 h
Run time @25% loadUnknownUnknown
Features
GFCI outletsYes
Covered outletsNo
Automatic Voltage RegulationYes
AC outlets
  • 1x Duplex 120V 20A (5-20R) GFCI
  • 1x 120V 30A (L5-30R)
  • 1x 120/240V 30A (L14-30R)
  • 1x 120/240V 50A (14-50R)
DC outlets1x 12V 8A output
Data centerVoltmeter
IndicatorsLow oil
Fuel tankMetal, 8.3 gal
Fuel gaugeYes
Misc
Weight224 lbs
Approx. dimensions (L x W x H)29 x 30 x 26 in
Noise (lower limit)74 dBA
THD< 12%
EmissionsCARB, EPA
SecurityLow oil and overload protection
Spark arrestorYes
Accessories includedFunnel, tool kit, propane hose, battery charging cables, battery, and wheel kit
Warranty3 years

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.

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About DuroStar

The DuroStar brand belongs to DuroMax, a company founded in 2003 and based in Ontario, California. DuroStar generators usually have a DuroMax twin, and only differ in their color scheme and in the factory in which they were produced. While DuroStar generators and engines are manufactured in China, the design and servicing centers reside in the US.

Warranty Information

The DuroStar DS12000EH 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 DuroStar generators, please consult DuroStar's (DuroMax) warranty policies (opens in a new tab). Alternatively, you can also contact their Customer Support: 1-844-DUROMAX (844-387-6629).

Questions & Answers

What can it power?
Examples of items that can be simultaneously powered.
The examples below are based on a maximum load of 80% and estimated wattages. For a more accurate estimation, use our generator sizer.
ItemRunning WattsStarting Watts
At homeSump pump (1/2 hp)10502150
Furnace fan (1/2 hp)8752350
Refrigerator (energy star)1921192
Clothes dryer54006750
Set of 5 LED light bulbs5555
Total7572 W9047 W
For campingRadiant heater13001300
RV refrigerator180600
Hair dryer18001900
Electric grill16501650
Electric fry pan15001500
RV AC (11,000 BTU)10101600
Radio100100
Set of 5 LED light bulbs5555
Total7595 W8185 W
For workTable saw18004500
Air compressor (1 hp)16006100
Grinder14002500
Demolition hammer12601260
Pressure washer (1 hp)12003600
Bug zapper8080
Total7340 W11840 W

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