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Generator To Buy: (Generac QuietSource) 22kW NG/LP Alum 1-Ph

…1800-RPM Operation - Aluminum Housing

This standby generator is best suited for: 1)large homes (we recommend range of 4300 to 5700 square feet); 2)small to medium-sized home-based or similar businesses (that make use of single-phase electricity).

In need of a silent generator to buy? Generac's QuietSource line lives up to its name by operating at half the rpm speed of a standard generator, without compromising output. Reduced rpms make the QuietSource 22 kW a particularly good generator to buy for residential or neighborhood settings, where low-noise power is at a premium. This generator to buy 22 kW QuietSource can operate circuitry and lights (no appliances, etc.) in a 7000 square foot area, or, in our experience, a useful combination of lights and appliances in an area of 4300 to 5700 square feet. It could serve as a whole-house generator in space of roughly 1700 square feet, depending on demands of the application. Generator to buy model should run your central AC with no difficulty, and will probably also power your central electric heat - though this isn't guaranteed (will vary from one application to another). Simultaneous appliance operation of six plus. All QuietSource models come equipped with aluminum housing, the no-rust alternative to steel, developed for coastal and high-humidity regions. Generator to buy will arrive factory-outfitted to burn natural gas, however modification for propane use can be done on the ground, and should not require a technician. Transfer equipment will be needed for automatic operation; the best power-transfer alternative for any Generac standby generator to buy unit is company's own line of switch products (see Switch Options tab for available RTS-series single-phase models). This
generator to buy machine CARB/SCAQMD approved, available to California and Massachusetts residents.

  • Important: Please see the shipping tab for information regarding the liftgate shipping option and residential versus commercial deliveries.

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    Model:  QT02224-1
    Price:  $8,819.00
    Available Options:
    Residential Shipment?:

    Model Specs

    Manufacturer: Generac QuietSource
    Model #: QT02224A
    Color: Grey
    Enclosure: Aluminum
    Engine Make: Generac
    Transfer Switch Included?: No
    Price: $8,819.00

    Rated Power (Natural Gas): 22 kW
    Rated Power (Liquid Propane): 22 kW
    Phase: 1
    Frequency: 60 Hz
    Voltage: 120/240
    Rated Amps: 92
    Rotor Poles: NA
    Mainline Circuit Breaker: 100

    Engine Type: Inline 4-Cylinder
    Intake Method: Carburetor
    Cylinder Block: NA
    HP/L: NA/2.4
    Number of Cylinders: 4
    Compression Ratio: 8.5:1
    Lubrication Method: Pressurized
    Valve Arrangement: Overhead
    Engine Cooling: Liquid
    Engine rpm: 1800
    Fan Type: Belt Driven
    Governor System: Electronic
    Ignition System: Electronic
    Starter Voltage (DC): 12
    Battery Required (Volts/Cold-Cranking Amps): 12/525 (Included)
    Startup Delay (After Power Interruption): Programmable
    Engine Warm-Up Duration: 5 Seconds
    Engine Cool-Down Period: 1 Minute
    Fuel Type: Natural Gas(NG)/Liquid Propane(LP)
    Fuel Consumption (NG @ Exercise): 42 Cubic Feet/Hour
    Fuel Consumption (NG @ 25% Load): 100 Cubic Feet/Hour
    Fuel Consumption (NG @ 50% Load): 190 Cubic Feet/Hour
    Fuel Consumption (NG @ 75% Load): 255 Cubic Feet/Hour
    Fuel Consumption (NG @ Full Load): 316 Cubic Feet/Hour
    Fuel Consumption (LP @ Exercise): .44 Gallons/Hour
    Fuel Consumption (LP @ 25% Load): 1.1 Gallons/Hour
    Fuel Consumption (LP @ 50% Load): 2.1 Gallons/Hour
    Fuel Consumption (LP @ 75% Load): 2.8 Gallons/Hour
    Fuel Consumption (LP @ Full Load): 3.4 Gallons/Hour

    Convenience Features
    Automatic Voltage Regulation: Yes
    Low-Voltage Shutdown: Yes
    High-Voltage Shutdown: Yes
    Low-Oil Shutdown: Yes
    Overspeed Shutdown: Yes
    High-Temperature Shutdown: Yes
    Starter-Overcrank Protection: Yes
    Low-Battery Protection: Yes
    Built-In Battery Charging Capability: Yes
    UL Listed: Yes
    External-Fault Capability: Yes
    Internal-Fault Protection: Yes
    Incorrect-Wiring Protection: Yes
    Mainline Circuit-Breaker Protection: Yes
    Safety Fusing: Yes

    Weight: 843 lbs
    Dimensions (Inches): 62.19L x 27.88W x 33.5H
    Decibels (@ Exercise - 7 Meters): 61
    Decibels (@ Full Load - 7 Meters): 70
    Compliance: 50-State US

    Additional Features
    Delivered factory setup to operate on natural gas (NG)
    Can be easily transfigured to run on liquid propane (LP)
    Cyclic engine cranking (16 seconds on/7 seconds off)
    Mainline circuit-breaker protection
    Pre-programmed engine warm-up duration of 5 seconds, cooldown period 1 minute
    Mode selector with manual on/off functions, automatic start with utility-power failure
    Setup and operational support from knowledgeable Generac technicians


  • 2-year manufacturer's limited warranty

  • Shipping

    The T-REX Free Shipping Pledge:
    The manufacturers we work with are large concerns that ship multiple items each day. This enables them to attain the best shipping rates available. T-REX passes these savings on to our customers by providing free shipping to any commercial or residential address in the continental United States. This is the T-REX pledge. We will adhere to it even when a freight carrier adds one-time or unanticipated shipping fees. Try obtaining these terms from another Internet-based generator seller. You will not find a more customer-friendly policy than ours.

    About Lift Gates:
    Typical delivery trucks are designed to be unloaded at docks, or by forklifts. In other words, they are designed to deliver to commercial locations where such options are available. By contrast, a lift gate-equipped truck lowers heavy items from the truck trailer (which can be several feet high) to the ground, using a hydraulic mechanism similar to an elevator. If your delivery will go to an address not equipped with a loading dock, and you don't have access to a forklift, then selecting the lift-gate delivery option is a convenient alternative.

    A generator from T-REX can weigh hundreds of pounds. Without access to a loading dock or forklift, unloading one safely may require several able-bodied individuals. Delivery drivers are NOT required by their companies to help customers unload. Unless you are certain that a sufficient number of helpers will be available during the delivery, we urge you to specify the lift-gate shipping option before checking out. Charge for the lift-gate is $75.00, and is NOT included in the Free-Shipping Pledge offered by T-REX. We feel, however, that it is worth the investment.

    Residential Delivery:
    You need to inform us if your delivery will be going to a residential address. Freight companies need to know this because many residential areas can't be serviced by large semi trucks. The generator will instead be loaded onto a smaller truck tailored to home deliveries. A home which serves as a place of business (regardless of the presence of company name/signage), if located in a residential area, is still considered a residential address for shipping purposes. Please select the residential delivery option if applicable. T-REX agrees to pay all additional residential delivery costs, but to do so, we must be properly informed before shipping arrangements are made.

    To select your choice of residential or commercial delivery, please see the purchase options in the Add To Cart area.


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    T-Rex Generators distributes products from many different standby and portable generator manufacturers at substantially discounted prices. These represented companies include: Asco automatic transfer switches, Briggs & Stratton generators, Winco generators, Generac Generators, GenTran transfer switches, Reliance Controls Transfer Switches, and Zenith automatic transfer switches. T-Rex also carries Honda powered generators which have the same time-tested Honda engines as the substantially more expensive Honda generator brand units.