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    • Generac XG04045ANAX Standby Generator 40 Kilowatt Liquid Cooled Gas

    Generac XG04045ANAX Standby Generator 40 Kilowatt Liquid Cooled Gas

    Installed Price:Regular Price $37,824.02
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    Installation Pricing

    Every product you purchase from us includes the full cost of professional installation. Once your order is placed, our team will reach out to schedule the installation at a time that works best for you.

    We handle everything from removing the old equipment to installing and testing your new system, ensuring it’s set up safely and performing at its best.

    Your checkout covers the equipment and the labor—no surprise charges, no hidden fees. Installation is simply booked separately so we can coordinate the right technician and confirm any details about your home.

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      The Generac XG04045ANAX 40 kW Standby Generator delivers high‑capacity, commercial‑grade backup power with a rugged liquid‑cooled engine engineered for long‑duration performance and demanding electrical loads. Designed for fully automatic operation, this generator restores power within seconds of an outage, ensuring uninterrupted operation of HVAC systems, refrigeration, lighting, pumps, servers, and sensitive electronics across large homes, estates, and light‑commercial facilities.

      At the core of the XG04045ANAX is a heavy‑duty liquid‑cooled gas engine that provides stable temperature control, extended service life, and reliable performance under continuous or high‑load conditions. True Power™ Technology ensures clean, low‑distortion electrical output, making it safe for modern appliances, electronics, and mission‑critical equipment.

      The generator’s corrosion‑resistant enclosure and weather‑sealed construction support year‑round outdoor installation, even in harsh or coastal environments. A sound‑attenuated design helps reduce operating noise, while the integrated cooling system maintains consistent performance during prolonged outages.

      Flexible fuel compatibility allows operation on natural gas or liquid propane, offering installation versatility across residential and commercial applications. The unit also supports Mobile Link™ remote monitoring, giving users real‑time access to operating status, maintenance alerts, and performance data from any smartphone or connected device.

      With its strong 40 kW output, durable liquid‑cooled engine, and advanced monitoring capability, the Generac XG04045ANAX provides dependable, long‑lasting standby protection for properties that require serious power security.

      We service and install all types of HVAC heating and cooling equipment throughout Long Island, including (but not limited to) this coverage area:

      Nassau County: Oyster Bay, Hempstead, North Hempstead, Glen Cove, Long Beach, Freeport, Valley Stream, Garden City, Great Neck, Mineola, Hicksville, Levittown, Massapequa, Bethpage, Plainview, Syosset, Jericho, Westbury, Rockville Centre, Farmingdale

      Suffolk County: Huntington, Babylon, Islip, Smithtown, Brookhaven, Riverhead, Shelter Island, Southold, Southampton, East Hampton, Commack, Deer Park, Lindenhurst, Bay Shore, Brentwood, Central Islip, Hauppauge, Centereach, Selden, Medford, Patchogue, Shirley

      Contact us today at (631) 779-3196

      Product Specifications
      Specification Name Specification Value
      Color pattern White
      Power source Natural gas, Propane
      Documents
      User Manual Download
      Specification Sheet Download
      Safety Guide Download
      Service & Support

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