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DuroMax XP13000HX Dual Fuel Generator vs Generac iQ3800 Dual Fuel Inverter Generator

These are different tools for different jobs. The DuroMax XP13000HX is a whole-home backup unit: 10,500 running watts on gas, a 240V 14-50R outlet for a transfer switch, and enough surge to start central air in many homes. The Generac iQ3800 is a quiet inverter you can carry: 3,000 running watts, 120V only, under 3% THD, and 107 lbs. Owners of the DuroMax praise its capacity and build; owners of the Generac praise how quiet and easy it is to start. Buy the DuroMax to back up a house, the Generac to power a campsite, tailgate or jobsite.

  • Choose the DuroMax XP13000HX if you need 240V whole-home backup, a transfer switch hookup, or enough power to run central air and a well pump during an outage.
  • Choose the Generac iQ3800 if you want a quiet, portable inverter for camping, tailgating or jobsite tools, and you only need 120V power for sensitive electronics.

Prices

  • DuroMax XP13000HX Dual Fuel Generator: $1,099.00 at Amazon (checked today)
  • Generac iQ3800 Dual Fuel Inverter Generator: $849.00 at Blain's Farm & Fleet (checked today)
  • Difference: the Generac iQ3800 Dual Fuel Inverter Generator is $250.00 cheaper than the DuroMax XP13000HX Dual Fuel Generator today
DuroMax
13,000 Watt Dual Fuel Portable HX Generator w/ CO Alert

DuroMax XP13000HX Dual Fuel Generator

13,000 Watt Dual Fuel Portable HX Generator w/ CO Alert

4.8(445 ratings)
$1,099.00at AmazonChecked 2 h ago
See all prices and details
Visit Amazon

As an Amazon Associate, Deal.ai earns from qualifying purchases.

Pros
  • Enough surge to start central air and a well pump in many homes
  • 240V outlets make transfer switch and interlock hookups straightforward
  • Dual fuel with a front-facing selector to switch fuels in seconds
  • 100% copper windings and under 5% THD
  • CO Alert, low-oil shutdown and individual circuit breakers
Cons
  • 240 lbs dry; not a one-person carry
  • Open-frame design is loud next to a house or campsite
  • 8.5-hour runtime at 50% load means refueling during long outages
  • 120V household outlets are limited to four GFCI receptacles
Generac
Generac iQ3800 Duel Fuel Inverter Generator

Generac iQ3800 Dual Fuel Inverter Generator

Generac iQ3800 Duel Fuel Inverter Generator

4.3(396 ratings)
$849.00at Blain's Farm & FleetChecked 1 h ago
See all prices and details
Visit Blain's Farm & Fleet

Store links may earn us a commission. Price via Klarna.

Pros
  • Quiet, fully enclosed inverter design
  • Under 3% THD, safe for laptops, TVs and sensitive tools
  • 107 lbs with a handle and never-flat wheels
  • Long runtime: 13 hours on gas, 16 on a 20 lb propane tank at 50% load
  • LED display shows power draw and fuel use; economy mode cuts noise and fuel burn
Cons
  • 120V only; no 240V outlet, so it cannot feed a transfer switch
  • 3,000 running watts will not start central air or a large well pump
  • Propane tank has no fuel gauge
  • Small 3.2-gallon gas tank

What separates them

DuroMax XP13000HX Dual Fuel GeneratorGenerac iQ3800 Dual Fuel Inverter Generator
Power output10,500 running / 13,000 peak watts on gas; 10,000 / 12,500 on propane3,000 running / 3,800 peak watts on gas; 2,700 / 3,400 on propane
Voltage and hookup120/240V with 14-50R and L14-30R for transfer switch or interlock120V only; five household outlets and USB ports
Power quality100% copper windings, under 5% THDInverter alternator, under 3% THD
Weight and portability240 lbs dry; 10-inch wheels and handle kit107 lbs; integrated handle and never-flat wheels
NoiseOpen-frame, conventional generator; loud under loadFully enclosed case built for quiet operation
Runtime8.5 hours at 50% load on an 8.3-gallon tank13 hours on gas or 16 hours on a 20 lb propane tank at 50% load
CO protectionCO Alert shuts the unit down when CO builds upCOsense shuts the unit down when CO builds up
StartingPush-button electric start with recoil backupElectric start with auto-choke, battery included, plus recoil

Price history

$1,398.82$849.00
Nov 3Nov 11
  • DuroMax XP13000HX Dual Fuel Generator: lowest $1,099.00 on Nov 10 at Amazon; $1,398.82 on Nov 11.
  • Generac iQ3800 Dual Fuel Inverter Generator: lowest $849.00 on Nov 3 at Walmart; $849.00 on Nov 11.

Prices at every store

DuroMax XP13000HX Dual Fuel Generator

  • Outbound PowerNew

    In stock

    $1,398.82Free shippingChecked 1 h ago
    Visit Outbound Power
  • DuroMax Power EquipmentNew

    In stockReturn policy

    $1,399.00Checked 1 h ago
    Visit DuroMax Power Equipment
  • AmazonNew

    Availability unknown

    As an Amazon Associate, Deal.ai earns from qualifying purchases.

    $1,099.00Free shippingChecked 2 h ago
    Visit Amazon
  • Home DepotNew

    Availability unknown

    $1,299.00Checked Nov 5
    Visit Home Depot

Also available at

  • Outbound PowerCheck price at Outbound Power
  • Max ToolCheck price at Max Tool
  • Factory Authorized OutletCheck price at Factory Authorized Outlet
All 18 stores and price history →

Generac iQ3800 Dual Fuel Inverter Generator

  • Blain's Farm & FleetNew

    In stock

    $849.00Checked 1 h ago
    Visit Blain's Farm & Fleet
  • Lowe'sNew

    In stock

    $849.00Free shippingChecked 1 h ago
    Visit Lowe's
  • FactoryPureNew

    In stock

    $928.00Free shippingChecked Nov 9
    Visit FactoryPure
  • AmazonNew

    Availability unknown

    As an Amazon Associate, Deal.ai earns from qualifying purchases.

    $849.00Free shippingChecked 2 h ago
    Visit Amazon

Also available at

  • WalmartCheck price at Walmart
  • Renewable OutdoorsCheck price at Renewable Outdoors

Store links may earn us a commission. Some prices via Klarna.

All 22 stores and price history →

Specs compared

SpecDuroMax XP13000HX Dual Fuel GeneratorGenerac iQ3800 Dual Fuel Inverter Generator
CO SensorYesYes (COsense® Technology)
Low Oil ShutdownYesYes
Overload ProtectionYes (individual circuit breakers)Helps you to avoid overloading (via LED display)
Automatic Shut OffYes (CO sensor shutdown)STOPS (COsense® Technology)
Fuel TypePropane, Dual Fuel, GasolineDual Fuel, Gasoline
Fuel Capacity8.3 Gallons (gasoline)3.2 gal
Fuel GaugeYesYes (for the gasoline tank), No (for propane)
Continuous Output10,500 W (Gasoline)3000 W
Power Output13,000 W3800 W (Starting Watts)
Voltage120/240 Volts120-volt
Peak Output13,000 W (Gasoline)3800 W
Starting MethodElectric start, Push Button, Recoil startElectric Start / Recoil Pull Start
Show all 40 specsShow fewer specs
SpecDuroMax XP13000HX Dual Fuel GeneratorGenerac iQ3800 Dual Fuel Inverter Generator
Efficiency1.9 gallons/hour (full load)Reduces fuel consumption (when Economy Switch i…
Frequency60 Hertz60Hz (target)
Connectivity PortsGFCI outletsUSB Ports
Number Of Outlets4 (5-20R)5 (120-volt outlets)
Receptacle TypeL5-30R, 14-50R, 5-20R, L14-30RTwist lock (120V, 30-amp)
Weight240 lbs (dry weight)107
Depth30 in24.6 in
Height26 in22.4 in
Width29 in20.3 in

What reviewers say

DuroMax XP13000HX Dual Fuel Generator

  • 4.8 / 5445 ratings

Owners rate the XP13000HX highly, with 4.8 out of 5 from 445 ratings. They report it starts reliably, carries heavy household loads and handles the switch between gasoline and propane easily.

What people mention
  • Power outputPraisedOwners say it carries refrigerators, pumps and central air without straining.
  • CO AlertPraisedBuyers value the automatic shutdown as a safety backstop for home use.
  • Dual fuelPraisedThe front-facing selector makes switching between gasoline and propane quick.
  • WeightCriticisedAt 240 lbs dry, owners say it takes two people or the wheel kit to move.

Generac iQ3800 Dual Fuel Inverter Generator

  • 4.3 / 5396 ratings

Owners of Generac inverter generators generally praise the quiet inverter output and the dual-fuel flexibility, and the CO shutdown is seen as a real safety plus. Complaints tend to center on weight and on the lower output when running on propane.

What people mention
  • WeightCriticisedOwners say 107 lb makes it a two-person lift and awkward to move without wheels.
  • Dual fuelPraisedBuyers like having propane as a fallback when gasoline runs out or is hard to store.
  • Power qualityPraisedUnder 3% THD is cited as safe for laptops, TVs and other sensitive electronics.
  • CO safetyPraised

Questions and answers

Can the Generac iQ3800 run a house through a transfer switch?
No. It puts out 120V only, so it cannot feed a 240V transfer switch or interlock. It is for plugging appliances and electronics into its outlets directly.
Which one is quieter?
The Generac. Its fully enclosed inverter case is built for quiet operation, while the DuroMax is an open-frame generator that gets loud under load.
Which lasts longer during an outage?
The Generac runs longer per fill: 13 hours on gas or 16 on a 20 lb propane tank at 50% load, against 8.5 hours for the DuroMax at the same load. The DuroMax carries far more load while it runs.
Can the DuroMax run sensitive electronics?
Yes. Its copper windings keep total harmonic distortion under 5%, which is fine for most electronics. The Generac is cleaner still at under 3%.
Is the Generac worth stepping up to over a basic open-frame unit?
If quiet operation, clean power and portability matter, yes. If you need 240V or whole-home capacity, it is the wrong tool and the DuroMax is the right one.
Do both shut off on carbon monoxide?
Yes. The DuroMax has CO Alert and the Generac has COsense; both shut the engine down when CO reaches unsafe levels.

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Runtime
8.5 hours (Gasoline, at 50% Load)
—
Load Capacity50 Amps—
ProtectionAutomatic voltage regulator—
Running Watts—3000 (Gas) / 2700 (LP)
Starting Watts—3800 (Gas) / 3400 (LP)
Rated AC Voltage—120 VAC
Rated AC Frequency—60 Hz
Run Time at 50% Load—13 (Gas) / 16 (LP - 20lb Tank)
Run Time at 25% Load—20 (Gas) / 19 (LP - 20lb Tank)
Fuel Tank Capacity—3.28 (12.4)
Engine Displacement—212cc
Total Harmonic Distortion—< 3% (safe for sensitive electronics)
Battery Type—Lead Acid (12V DC, 6 Ah)
Wireless Connectivity—WiFi, Mobile Link
Inverter Technology—Yes
Smart Features—Intelligent LED Display
Dual Fuel—Runs on Gasoline or Liquid Propane Fuel for you…
Reliable OHV Engine—223cc with splash lubrication provides a long e…
Quiet Operation—Fully enclosed case reduces noise levels
The COsense auto shutoff is mentioned as a reassuring feature for indoor-adjacent use.