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WestinghouseModel iGen11000TFc

Westinghouse 9,000W Tri-Fuel Generator Review

The Westinghouse iGen11000TFc is a tri-fuel inverter generator offering 11,000 peak watts and 9,000 running watts on gasoline, suitable for home backup power and sensitive electronics.

At a Glance

  • Running Watts
    9000W
  • Starting Watts
    11000W
  • Fuel Type
    Tri-Fuel
  • Runtime (25%)
    19h
  • Noise Level
    64 dB
  • Weight
    191 lbs

Where to buy

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    Is this the right generator for you?

    Here's the quick tradeoff view — what this model does well, and where it may not fit.

    Pros

    • Tri-fuel capability: operates on gasoline, propane, and natural gas.
    • Inverter technology: adjusts engine speed to match power demand, reducing fuel consumption and noise.
    • Transfer switch ready: equipped with 120/240V 14-50R 50A and 120V/240 L14-30R 30A twist lock outlets.
    • LED data center: displays fuel level, power output, remaining run time, voltage output, and lifetime hours.
    • Durable engine: powered by a 457cc 4-stroke OHV engine with a cast iron sleeve, providing up to 19 hours of run time on a 7.9-gallon tank.
    • Safety features: includes low oil auto shutdown and a carbon monoxide (CO) sensor.
    • Portable design: features heavy-duty never-flat wheels and a foldable handle.
    • Remote start: comes with a remote start key fob for convenient operation.

    Cons

    • heavy weight of 191 pounds may affect portability
    • noise level of 64 decibels could be loud in quiet environments
    • no mention of RV-specific outlets
    Best use cases
    Sensitive electronicsHome backupExpandable power

    Summary

    The Westinghouse iGen11000TFc is a tri-fuel generator rated for 9,000 running watts with 11,000 starting watts. That combination of sustained output and extra starting capacity is geared toward powering demanding loads that need a brief surge to get moving, while still delivering a high continuous wattage once everything is running.

    Because it is tri-fuel, the iGen11000TFc adds practical flexibility in how it can be operated, letting you choose among fuel sources to match what you have available when you need power.

    Power & Runtime

    With 9,000 running watts and 11,000 starting watts, the iGen11000TFc is built to handle both steady electrical demand and the momentary spike that comes with starting certain equipment. Its inverter design is paired with a 3 percent THD rating, which speaks directly to the cleanliness of the power it produces and how smoothly it can support sensitive electronics without introducing excessive electrical distortion.

    Noise is rated at 64 dBA, giving a concrete reference point for what to expect in terms of sound output during operation. For runtime, Westinghouse lists 19 hours at 25 percent load, which is a meaningful figure for extended use when the generator is not being pushed near its limits. A runtime at 50 percent load is listed as 0, so the only stated endurance figure to plan around here is the 25 percent load runtime.

    Portability

    At 191 lbs, the iGen11000TFc is a substantial unit, and that weight is an important real-world consideration for moving it into position or storing it between uses. Its physical footprint is 30.2 x 25.2 x 26.6 inches, which helps clarify the space it will occupy in a garage, shed, or jobsite staging area, as well as the clearance needed for transport and placement.

    Features

    Starting is a standout convenience feature on this model, with recoil, electric, and remote starting systems all included, giving you multiple ways to bring it online depending on the situation. Day-to-day monitoring is supported by a fuel gauge and indicators, which helps you keep track of operating status at a glance rather than relying on guesswork.

    The iGen11000TFc is parallel capable, which opens the door to scaling output by pairing it with another compatible unit. It also includes a spark arrestor and covered outlets, along with GFCI outlets for an added layer of protection in outlet use. Automatic voltage regulation is built in through AVR, reinforcing stable output management alongside the inverter design. For compliance, it is listed as meeting EPA and ANSI/PGMA G300-2023, and it comes backed by a 3-year warranty.

    Recommended Audiences

    • Users who want to scale output via parallel operation
    • Owners of sensitive electronics seeking clean inverter power
    • Buyers wanting fuel flexibility with dual or tri-fuel capability
    • Homeowners needing whole-house or jobsite backup power
    • Users who value push-button or remote start convenience
    Updated: Feb 24, 2026

    Score Breakdown

    7.2
    / 10
    Rank #3 of 66 in Inverter (5,000W+)
    Value (25%)
    Quality (25%)
    Practical (18%)
    Features (12%)
    Features (3.7 pts)
    • Inverter+1
    • Tri-Fuel+1.3
    • Remote Start+0.4
    • Electric Start+0.6
    • Parallel Capable+0.4
    Percentile Rankings (within peer group)
    • Watts/$
    • Surge/$
    • Runtime/$
    • Warranty
    • THD (lower=better)
    • Build Quality
    • Noise (lower=better)
    • Portability
    • Outlet Variety
    • Feature Points

    What this generator can power

    At a Glance

    • Continuous:9,000W(recommended usable: 7,200W)
    • Surge:11,000W
    • Output:120/240V
    • Inverter:Yes (clean power for electronics)

    Big-item compatibility

    Refrigerator
    Yes
    Sump Pump (1/3 HP)
    Yes
    Well Pump (1 HP, 240V)
    Yes
    Furnace Blower
    Yes
    Central AC (3 Ton, 240V)
    Yes
    Window AC (10,000 BTU)
    Yes
    Electric Water Heater (240V)
    Yes
    Electric Range/Oven (240V)
    Yes
    Air Compressor (1 HP)
    Yes

    Example setups

    Essentials

    • Lights + Wi-Fi + Charging
    • Refrigerator
    • Furnace Blower
    • Sump Pump (1/3 HP)

    Est. running: 1,800W

    Peak surge (single motor): 2,000W

    Avoid starting multiple motor loads at the same time.

    Essentials + Comfort

    • Lights + Wi-Fi + Charging
    • Refrigerator
    • TV + Entertainment System
    • Microwave
    • Window AC (10,000 BTU)
    • Space Heater
    • Furnace Blower

    Est. running: 5,000W

    Peak surge (single motor): 2,000W

    Avoid starting multiple motor loads at the same time.

    Whole-Home (Limited)

    • Lights + Wi-Fi + Charging
    • Refrigerator
    • Furnace Blower
    • Sump Pump (1/3 HP)
    • Well Pump (1 HP, 240V)
    • Window AC (10,000 BTU)
    • TV + Entertainment System

    Est. running: 5,100W

    Peak surge (single motor): 6,000W

    Avoid starting multiple motor loads at the same time.

    These are estimates using typical wattage assumptions. Real appliances vary. Startup surges can be 2–6× the running wattage for motor-driven loads. 240V loads require a 120/240V generator and proper connection. Use a transfer switch or interlock kit; never backfeed a panel.

    Westinghouse
    ReliabilityA – Excellent

    About Westinghouse

    Westinghouse is renowned for its robust and reliable power generation equipment, offering a wide range of generators suitable for home and commercial use.

    Founded1886
    HQMooresville, North Carolina, USA
    Website (opens in a new tab)
    Support1-855-944-3571
    Support / Manuals (opens in a new tab)
    View all Westinghouse generators

    Warranty

    Coverage: 3 years

    Power by fuel

    FuelRunningStartingRuntime @50%Runtime @25%
    Gasoline9000W11000W—19h
    Natural Gas7200W8800W——
    Propane8100W10000W—9.8h

    Full Specifications

    Power

    Running Watts9,000 watts
    Starting Watts11,000 watts
    Starting Watts (Gasoline)11,000 W
    Starting Watts (Propane)10,000 W
    Starting Watts (Natural Gas)8,800 W
    Running Watts (Gasoline)9,000 W
    Running Watts (Propane)8,100 W
    Running Watts (Natural Gas)7,200 W

    Engine

    Engine457 cc OHV 4-stroke
    Engine TypeOHV 4-stroke
    Engine Displacement457 cc
    Engine OilSAE 10W-30
    Engine Oil Capacity1.16 Qt
    Spark ArrestorYes
    Emissions ComplianceEPA, ANSI/PGMA G300-2023

    Electrical

    Voltage (AC)120/240
    Peak Amps91.7 A
    AC Frequency60 hz
    GFCI OutletsYes
    AC OutletsAC outlets1x Duplex 120V 20A (5-20R) GFCI1x 120/240V 30A (L14-30R)1x 120/240V 50A (14-50R)
    Total Harmonic Distortion (THD)3 %

    Dimensions

    Dimensions30.2 x 25.2 x 26.6 inches
    Weight191 lbs

    Other

    Automatic Low Oil ShutdownYes
    Emissions ComplianceEPA, ANSI/PGMA G300-2023
    Automatic Voltage RegulationYes
    Automatic Voltage RegulatorYes
    Carbon Monoxide SensorYes
    Commercial Warranty3 years
    Covered OutletsYes
    Electric StartYes
    Fuel GaugeYes
    Fuel Tank Capacity7.9 gallons
    IndicatorsYes
    InverterYes
    Noise Level64 dBA
    Overload ProtectionLow oil and overload protection
    Parallel CapableYes
    Recoil StartYes
    Remote StartYes
    Residential Warranty3 years
    RV ReadyNo
    Starter TypeRecoil, Electric, Remote
    Starting SystemRecoil, Electric, Remote
    UPC850,060,639,319
    Warranty3 years
    WheelsYes
    Winding MaterialCopper-clad aluminum

    Core

    Fuel TypeTri-Fuel

    Runtime

    Runtime @ 25%19 hours
    Runtime @ 25% Load (Gasoline)19 hours
    Runtime @ 25% Load (Propane)9.8 hours

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