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WestinghouseModel WH3700iXLTc

Westinghouse 3,000W Gas Generator Review

The Westinghouse WH3700iXLTc is a portable inverter generator designed for recreational activities and home backup, offering 3700 peak watts and 3000 running watts with enhanced fuel efficiency and quiet operation.

At a Glance

  • Running Watts
    3000W
  • Starting Watts
    3700W
  • Fuel Type
    Gasoline
  • Runtime (25%)
    6h
  • Noise Level
    58 dB
  • Weight
    70.5 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

    • 3700 peak watts and 3000 running watts
    • Runs up to 8 hours on a 1.3-gallon gas tank
    • Enhanced fuel efficiency with variable engine speeds
    • Compact design with telescoping handle and never-flat wheels
    • Super quiet operation at as low as 58 dBA
    • Safely powers sensitive electronics with less than 3% THD
    • LED-illuminated control panel for easy operation in the dark
    • RV Ready with included L5-30R to TT-30R adapter
    • Automatic low oil and carbon monoxide (CO) shutdown
    • Parallel capable with included parallel cords

    Cons

    • Heavy weight at 70.5 pounds
    • No electric start feature
    Best use cases
    Sensitive electronicsQuiet operationExpandable power

    Summary

    The Westinghouse WH3700iXLTc is a gasoline-powered generator rated at 3000 running watts with 3700 starting watts. That combination targets everyday continuous loads while still giving extra headroom for the brief surge that comes when certain devices first switch on.

    Because it runs on gasoline, the WH3700iXLTc keeps fueling straightforward for users who already store or can readily access this fuel type, while its wattage figures set clear expectations for what it can sustain versus what it can handle at startup.

    Power & Runtime

    With 3000 running watts and 3700 starting watts, the WH3700iXLTc separates steady output from surge capability, which matters when powering equipment that draws more power at the moment it starts than it does once running. Its inverter design is paired with a total harmonic distortion rating of ≤ 3%, a concrete indicator of clean power delivery that is well-suited to electronics that benefit from stable output.

    Noise is rated at 58 dBA, a measured figure that speaks directly to how noticeable the generator will be while operating. For runtime, Westinghouse lists 6 hours at 25% load, providing a clear reference point for lighter-duty use, while the 1.3-gallon fuel tank ties that runtime to a compact onboard fuel supply.

    Portability

    At 70.5 lbs, the WH3700iXLTc lands in a weight range that one person can move with intention, while still feeling substantial enough to communicate that it is built as a serious power source rather than a small accessory. Its physical footprint is defined by dimensions of 23.9 x 13.3 x 19.3 inches, which helps when planning storage space or fitting it into a vehicle.

    Those dimensions also make it easier to visualize how it will sit in a garage, shed, or campsite setup, with a shape that is more rectangular and packable than bulky.

    Features

    Starting is handled through a recoil system, keeping operation direct and mechanical. The generator includes indicators, which helps you confirm operating status at a glance without needing extra tools or guesswork.

    On the compliance side, it is listed as CARB and EPA compliant, and it also includes a spark arrestor, which is a practical safety feature for certain outdoor environments. Covered outlets add another layer of protection for the connection points, and automatic voltage regulation (AVR) supports steadier output as loads change.

    For users who want flexibility, the WH3700iXLTc is parallel capable, allowing output to be scaled by linking compatible units. Westinghouse backs it with a 3-year warranty, giving a defined window of coverage.

    Recommended Audiences

    • Users who want to scale output via parallel operation
    • Owners of sensitive electronics seeking clean inverter power
    • Shoppers who prefer gasoline-powered generators
    • Homeowners needing emergency backup for essential circuits
    • Users who need a lightweight, portable power solution
    • Noise-sensitive users or those in campground environments
    Updated: Feb 24, 2026

    Score Breakdown

    5.6
    / 10
    Rank #38 of 111 in Inverter (2,500-5,000W)
    Value (25%)
    Quality (25%)
    Practical (18%)
    Features (12%)
    Features (1.4 pts)
    • Inverter+1
    • 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:3,000W(recommended usable: 2,400W)
    • Surge:3,700W
    • Output:120V only
    • Inverter:Yes (clean power for electronics)

    Big-item compatibility

    Refrigerator
    Yes
    Sump Pump (1/3 HP)
    Yes
    Well Pump (1 HP, 240V)
    No

    Needs 240V output

    Furnace Blower
    Yes
    Central AC (3 Ton, 240V)
    No

    Needs 240V output

    Window AC (10,000 BTU)
    Yes
    Electric Water Heater (240V)
    No

    Needs 240V output

    Electric Range/Oven (240V)
    No

    Needs 240V output

    Air Compressor (1 HP)
    Maybe

    May struggle with startup surge

    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

    Est. running: 1,900W

    Peak surge (single motor): 1,200W

    Avoid starting multiple motor loads at the same time.

    Jobsite / Tools

    • Lights + Wi-Fi + Charging
    • Circular Saw (7 1/4")

    Est. running: 1,600W

    Peak surge (single motor): 2,800W

    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
    ReliabilityAExcellent

    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%
    Gasoline3000W3700W6h

    Full Specifications

    Power

    Running Watts3,000 watts
    Starting Watts3,700 watts
    Starting Watts (Gasoline)3,700 W
    Running Watts (Gasoline)3,000 W

    Engine

    Engine150 cc OHV 4-stroke
    Engine TypeOHV 4-stroke
    Engine Displacement150 cc
    Engine Oil10W-30
    Engine Oil Capacity0.53 Qt
    Spark Plug97109 (F7RTC)
    Spark ArrestorYes
    Emissions ComplianceCARB, EPA

    Electrical

    Voltage (AC)120
    Voltage (DC)5
    PhaseSingle
    Running Amps25 A
    Peak Amps30.8 A
    AC Frequency60 hz
    Current25 amps
    GFCI OutletsNo
    NeutralFloating
    USB Outlets2x 5V USB port (USB-A)
    DC Outlets2x 5V USB port (USB-A)
    AC Outlets1x Duplex 120V 20A (5-20R) 1x 120V 30A (L5-30R)
    Total Harmonic Distortion (THD)≤ 3% %

    Dimensions

    Dimensions23.9 x 13.3 x 19.3 inches
    Weight70.5 lbs

    Other

    Automatic Low Oil ShutdownYes
    Emissions ComplianceCARB, EPA
    Automatic Voltage RegulationYes
    Automatic Voltage RegulatorYes
    Carbon Monoxide SensorYes
    Covered OutletsYes
    Electric StartNo
    Fuel GaugeNo
    Fuel Tank Capacity1.3 gallons
    Included AccessoriesOil, funnel, tool kit, RV adapter, and parallel cables
    IndicatorsYes
    InverterYes
    Noise Level58 dBA
    Overload ProtectionLow oil and overload protection
    Parallel CapableYes
    Recoil StartYes
    Remote StartNo
    RV ReadyNo
    Starter TypeRecoil
    Starting SystemRecoil
    UPC850,011,336,595
    Warranty3 years
    WheelsYes

    Core

    Fuel TypeGasoline

    Runtime

    Runtime @ 25%6 hours
    Runtime @ 25% Load (Gasoline)6 hours

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