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Westinghouse iGen5000DFc Generator vs Generac iQ3500 Inverter Generator

Buy the Westinghouse iGen5000DFc if you want more power, dual-fuel operation, or remote start. It runs 3,900 watts on gas and 3,500 on propane, versus 3,000 watts for the Generac IQ3500. The Westinghouse is $999.00 at Best Buy as of November 5, 2026; the Generac is $928.00 at FactoryPure as of the same date. The Generac is the cheaper, simpler gas-only choice for lighter loads.

Today the Generac iQ3500 Inverter Generator costs $71.00 less at its best price.

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Westinghouse
Westinghouse iGen5000DFc Remote Electric Start 5000-Watt Dual Fuel Inverter Generator

Westinghouse iGen5000DFc Generator

Westinghouse iGen5000DFc Remote Electric Start 5000-Watt Dual Fuel Inverter Generator

4.7· 9,502 ratings
$999.00
at Best Buy
Observed at 11:35 AM
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Choose the Westinghouse iGen5000DFc if you need to run an RV air conditioner, a well pump, or a transfer-switch circuit, or if you want propane as a backup fuel and a key-fob remote start.

Pros
  • Dual fuel: 3,500 running watts on propane when gas runs out
  • 30A TT-30R outlet runs an RV or a small transfer-switch circuit
  • Remote key-fob start and CO shutdown with automatic low-oil cutoff
  • Under 3% THD, safe for laptops, TVs, and phones
  • 3-year limited warranty and nationwide service network
Cons
  • $71 more than the Generac at the listed prices
  • 105.8 lb, and parallel operation needs a kit sold separately
  • Only 120V output, no 240V for a home transfer switch
Generac
Generac IQ3500 3000/3500w Ultra Quiet Electric Start Inverter Generator

Generac iQ3500 Inverter Generator

Generac IQ3500 3000/3500w Ultra Quiet Electric Start Inverter Generator

4.6· 111 ratings
$928.00at FactoryPureObserved at 11:35 AM
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Choose the Generac IQ3500 if your loads stay under 3,000 running watts, you want a one-dial PowerDial start and a digital display of watts, fuel, and hours, and you want to spend about $71 less.

Pros
  • $928.00 at FactoryPure, the lower price of the two
  • PowerDial combines start, run, and stop in one dial
  • LCD shows wattage, run time remaining, hour meter, and fuel level
  • PowerRush starting boost and parallel-ready with kit #7668
  • Lighter load demands mean less fuel burned at low draw
Cons
  • Gasoline only, no propane option
  • 3,000 running watts limits RV air conditioners and well pumps
  • Only 2 outlets and no 30A RV receptacle
  • 8.9 hours at half load is short for overnight backup
  • Buyer reports of dead batteries and cracked housings on arrival

What separates them

Westinghouse iGen5000DFc GeneratorGenerac iQ3500 Inverter Generator
Running watts (gas)3,900 W3,000 W
Peak watts (gas)5,000 W3,500 W
Fuel typesGasoline or propaneGasoline only
Run timeUp to 18 hours at 25% load on 3.4 gal8.9 hours at half load on 2.6 gal
StartingRemote key fob plus push buttonElectric start or recoil, one PowerDial
Outlets5, including a 30A TT-30R RV outlet and 2 USB2
Weight105.8 lb109 lb
Price (Nov 5, 2026)$999.00 at Best Buy$928.00 at FactoryPure

Price history

  • Westinghouse iGen5000DFc Generator: lowest $999.00 on Nov 5 at Best Buy.
  • Generac iQ3500 Inverter Generator: lowest $999.00 on Nov 5 at Haney Equipment Company Athens Alabama.

Prices at every store

Westinghouse iGen5000DFc Generator

  • Best BuyNew

    In stock

    $999.00Free shippingObserved at 11:35 AM
    Visit store
  • Home DepotNew

    In stock

    $999.00Free shippingObserved at 11:35 AM
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  • Ferguson HomeNew

    In stock

    $999.00+ $70.00 shippingObserved at 11:35 AM
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  • Academy Sports + OutdoorsNew

    In stock

    $999.00+ $300.00 shippingObserved at 11:35 AM
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Also available at

  • eBayCheck price at eBay
All 9 stores and price history →

Generac iQ3500 Inverter Generator

  • Haney Equipment Company Athens AlabamaNew

    In stock

    $999.00Observed at 11:35 AM
    Visit store
  • Bee Green Recycling & SupplyNew

    In stock

    $1,299.99Observed at 11:35 AM
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  • Core & MainNew

    In stock

    $1,351.95+ $152.78 shippingObserved at 11:35 AM
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  • FactoryPureNew

    Availability unknownReturn policy

    $928.00Observed at 11:35 AM
    Visit store
All 5 stores and price history →

Specs compared

SpecWestinghouse iGen5000DFc GeneratorGenerac iQ3500 Inverter Generator
Fuel tank capacity3.4 gallon2.60 GALLONS
Weight105.8 lb.109
Fuel TypeDual Fuel, GasolineGAS
Voltage120V120
Starting MethodRemote start, Push button startElectric Start or Recoil
Number Of Outlets52
Peak watts gas5000—
Rated watts gas3900—
Peak watts propane4500—
Rated watts propane3500—
Run timeup to 18 hours at 25% load—
Engine displacement224 cc—
Show all 40 specsShow fewer specs
SpecWestinghouse iGen5000DFc GeneratorGenerac iQ3500 Inverter Generator
Noise levelas low as 52 dBA—
Total harmonic distortionless than 3%—
Start typeRemote start key fob and push button start—
Inverter TechnologyYes—
CO SensorYes—
Low Oil ShutdownYes—
Overload ProtectionYes—
Automatic Shut OffYes (Automatic Low Oil and Carbon Monoxide (CO)…—
Fuel Capacity3.4 gal—

What reviewers say

Westinghouse iGen5000DFc Generator

  • 4.7 / 59,502 ratings

With 4.7 out of 5 from 9,502 ratings, owners mostly report easy starting, quiet running and clean power for electronics. Complaints center on weight and on propane output being lower than the gas rating.

What people mention
  • StartingPraisedOwners say the remote fob and push button start fire it up on the first try.
  • NoisePraisedReviewers find it quiet at light loads, suitable for campground use.
  • Power qualityPraisedUnder 3% THD is cited as safe for laptops, TVs and phones.
  • WeightCriticisedAt about 106 lb, owners say it takes two people or the wheels to move it far.

Generac iQ3500 Inverter Generator

  • 4.6 / 5111 ratings

Rated 4.6 out of 5 from 111 ratings, owners mostly like the quiet running and easy electric start. Complaints center on batteries that arrive dead or fail to charge and on cracked housings from shipping.

What people mention
  • NoisePraisedOwners say it runs quietly at light loads, well below standard open-frame generators.
  • StartingPraisedThe PowerDial electric start is called simple and reliable.
  • BatteryCriticisedSome buyers report the battery arrives dead or stops charging.
  • BuildMixed

Questions and answers

Can the Westinghouse iGen5000DFc run an RV air conditioner?
Yes. Its 30A TT-30R outlet and 3,900 running watts handle most 13,500 BTU RV air conditioners, with 5,000 peak watts for the startup surge. The Generac IQ3500's 3,000 running watts and 2 outlets make it a tighter fit for the same load.
Is the Generac IQ3500 worth saving $71 over the Westinghouse?
Only if your loads stay under 3,000 watts and you never need propane. The Westinghouse adds 900 running watts, a second fuel, remote start, and an RV outlet for $71 more at the November 5, 2026 prices.
Which is quieter?
Westinghouse rates the iGen5000DFc as low as 52 dBA. Generac calls the IQ3500 ultra quiet and uses two engine speeds to cut noise, but does not publish a dBA figure in the specs shown. Treat the Westinghouse number as the only directly comparable one.
Which runs longer on a tank?
The Westinghouse, by a wide margin: up to 18 hours at 25% load on 3.4 gallons. The Generac runs 8.9 hours at half load on 2.6 gallons. The load levels differ, so the gap narrows at matched loads but does not close.
Can either one power a house during an outage?
Both are 120V inverter units, so neither feeds a 240V transfer switch directly. The Westinghouse's higher output and 30A outlet suit a small essential-circuits panel better. For whole-home backup you need a larger 240V generator.
Do both have a 3-year warranty?
Yes, both carry a 3-year limited warranty. Westinghouse backs it with a nationwide service network and lifetime technical support. Generac service is handled through its service locations, and buyers report battery claims being routed to Generac rather than the store.

More comparisons

  • Westinghouse iGen5000DFc Remote Electric Start 5000-Watt Dual Fuel Inverter Generator vs FlexPower 4500ies Quiet Inverter Generator with Electric Start
  • FlexPower 4500ies Quiet Inverter Generator with Electric Start vs Generac IQ3500 3000/3500w Ultra Quiet Electric Start Inverter Generator
Fuel Gauge
Yes
—
Continuous Output3900 running watts—
Power Output5000 peak watts—
RuntimeUp to 18-hours (on a 3.4 Gal. gas tank)—
Peak Output5000 peak watts—
Efficiency30% to 50% higher fuel efficiency than a tradit…—
Frequency60 Hz—
ProtectionOverload protection—
Connectivity PortsRV Ready TT-30R outlet—
Receptacle TypeTT-30R—
Depth24.5 in—
Height20 in—
Width17.5 in—
Starting Watts—3500
Running Watts—3000
Half Load Run Time—8.9 HOURS
Warranty—3 Year Limited
With Inverter—Yes
Power Source—Gasoline
Most units hold up, but some arrive with cracked plastic housings.