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Deal.ai › Firman
Firman
Firman Dual Fuel Inverter Portable Generator 4000W Electric Start with CO ALERT wh03242

Firman Dual Fuel Inverter Portable Generator 4000W Electric Start with CO ALERT wh03242

5(2 ratings)

Best price now

$839.99at Energy Systems CentralChecked Nov 11

30% under what the other stores charge

Compared across 6 stores. Prices are checked against each store and labelled with when.

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Price facts

  • Last seen at $839.99 at Energy Systems Central on Nov 11.
  • Checked at 6 stores.

Our take on the Firman Dual Fuel Inverter Portable Generator 4000W Electric Start with CO ALERT wh03242

The Firman WH03242 is a dual-fuel inverter generator that runs on gasoline or propane, delivering 4000 watts starting and 3200 watts running. It has electric start, a 30A RV outlet, and CO Alert shutdown for safety. At 58 dB it is quiet enough for campgrounds with sound limits. It suits RVers, campers, and tailgaters who want flexible fueling and clean power for sensitive electronics. Compared with gasoline-only inverter generators, it adds propane capability and CO monitoring, but propane reduces output.

Best forRV owners who need a 30A outletCampers in parks with noise limitsTailgaters and outdoor event hostsHome backup for essentials during outages
Pros
  • Runs on gasoline or propane for fuel flexibility
  • Quiet 58 dB operation
  • Electric start with included battery
  • CO Alert automatically shuts down on dangerous carbon monoxide
  • 30A RV outlet and inverter power for electronics
  • Includes cover, oil, funnel, and LPG regulator
Cons
  • Lower wattage on propane than on gasoline
  • Heavier than some comparable inverter generators
  • No remote start
  • Propane tank not included

Firman Dual Fuel Inverter Portable Generator 4000W Electric Start with CO ALERT wh03242 prices at every store

  • Energy Systems CentralNew

    In stockReturn policy

    $839.99Checked Nov 11
    Visit Energy Systems Central
  • IronvaNew

    In stockReturn policy

    $1,099.99Checked Nov 11
    Visit Ironva
  • Backup Generator StoreNew

    In stockReturn policy

    $1,100.00Checked Nov 11
    Visit Backup Generator Store
  • Precision Tools NYNew

    In stock

    $1,199.99Checked Nov 11
    Visit Precision Tools NY
  • Grid GetawayNew

    In stockReturn policy

    $1,279.99Checked Nov 11
    Visit Grid Getaway
  • Green Vista LivingNew

    In stockReturn policy

    $1,279.99Checked Nov 11
    Visit Green Vista Living

What reviewers say

Owners appreciate the quiet operation, easy electric start, and dual-fuel convenience. Some note that propane reduces power output and that the unit is heavy to move.

What people mention
  • NoisePraisedOwners say it runs quietly, suitable for campgrounds with sound limits.
  • Fuel flexibilityPraisedReviewers like being able to use propane or gasoline.
  • Power on propaneCriticisedSome note that wattage drops when running on propane.
  • PortabilityMixedThe generator is heavy, which some find difficult to move.
  • Electric startPraisedUsers find the electric start reliable and convenient.

About the Firman Dual Fuel Inverter Portable Generator 4000W Electric Start with CO ALERT wh03242

The Firman WH03242 is a dual fuel inverter portable generator in the Whisper Hybrid series. It runs on gasoline or propane and is rated at 3200 running watts and 4000 starting watts on gasoline. It has a 30A RV-ready outlet, and it starts with a recoil pull or at the push of an electric start.

It runs at 58 dB at 1/4 load. It has a CO Alert and is CARB, EPA and cETL certified. Total harmonic distortion at full load is 3%.

The generator comes with a cover, an engine oil bottle, an oil funnel, a spark plug wrench, a screwdriver, a 12V battery cable, a 0.8 m LPG regulator, a float charger for the battery and a quick oil drain.

Series
Whisper Hybrid
Type
Dual fuel inverter
Fuel
Gasoline and propane (LPG)
Running watts
3200 (gas), 3000 (LPG)
Starting watts
4000 (gas), 3750 (LPG)
AC voltage
120 V
Frequency
60 Hz
Noise level
58 dB at 1/4 load
Run time
9 hours
THD
3% at full load
Starting
Electric start and recoil start
Outlets
1 x 5-20R 120V 20A duplex, 1 x TT-30R 120V 30A RV, 1 x USB (5V), 1 x DC 12V 8.3A
Safety
CO Alert
Certifications

Questions and answers

What is the difference between gasoline and propane operation?
On gasoline it produces 4000 starting watts and 3200 running watts. On propane, output is lower, so check the wattage of your appliances.
Can it run a 30A RV?
Yes, it has a 30A RV outlet and is RV-ready. It can power most RV air conditioners and appliances, but manage loads carefully.
How loud is it?
It runs at 58 dB, which is quiet for a portable generator and below many national park sound limits.
What comes in the box?
It includes a cover, engine oil, oil funnel, spark plug wrench, screwdriver, 12V battery cable, LPG regulator, battery charger, and quick oil drain.
Does it have remote start?
No, it has electric start with a key but no remote start.
Where is the Firman Dual Fuel Inverter Portable Generator 4000W Electric Start with CO ALERT wh03242 cheapest?
At Energy Systems Central, for $839.99, 30% under what the other stores charge, as of our latest check.
What do buyers say about the Firman Dual Fuel Inverter Portable Generator 4000W Electric Start with CO ALERT wh03242?
Rated 5 out of 5 from 2 ratings.
Where can I buy the Firman Dual Fuel Inverter Portable Generator 4000W Electric Start with CO ALERT wh03242?
6 stores we checked sell it, including Precision Tools NY, Backup Generator Store, Energy Systems Central, Ironva, Grid Getaway.

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