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Generac 22kW standby generator with WiFi
Generac home standby generator next to stone wall with sales claim graphics.
Generac standby generator with text promoting connectivity, 24/7 support, warranty, and USA-made.
Generac generator at a modern home with text promoting automatic backup power for outages.
Generac promotional image of a home during a storm highlighting power outage impacts.
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Top view of open Generac standby generator showcasing G-Force engine and interior layout.
Open Generac standby generator showing internal engine, alternator, and sound insulation.

Standby Generator, 22kW | WiFi Enabled

One of the most powerful air-cooled generators on the market today, the Guardian® Series 22 kW automatic home standby generator can provide whole-house backup power for many homes. Not only does it deliver all the features and functionality customers have come to expect from the market-leading brand of home standby generators, but with an MSRP that is the lowest cost per kilowatt of any air-cooled home standby generator.

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Standby Generator
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Generac 22kW WiFi-Enabled Standby Generator

The Generac 22kW Standby Generator delivers exceptional backup power for large homes and critical systems, combining efficiency, strength, and durability. As one of the most powerful air-cooled home standby units on the market, it offers whole-house coverage with the lowest cost per kilowatt in its class. Equipped with Generac’s True Power™ Technology, G-Force 1000 engine, and Mobile Link™ WiFi monitoring, this generator ensures seamless performance during outages while remaining low-maintenance and built to last.

Key Benefits of the Generac 22kW Generator

  • True Power™ Technology provides power with less than 5% total harmonic distortion, ideal for sensitive electronics
  • G-Force 1000 engine with pressure lubrication for longer engine life and less routine service
  • Quiet-Test™ Self-Test Mode runs at a lower RPM, making it quieter and more fuel-efficient
  • Mobile Link™ WiFi-enabled monitoring for remote access via smartphone, tablet, or PC
  • Corrosion-resistant aluminum enclosure with RhinoCoat™ powder-coat finish for all-weather durability
  • 5-Year Limited Warranty with full 24/7/365 Generac customer support
  • Certified for installation as close as 18” to the home (per NFPA standards)

Common Applications

  • Whole-home backup power for estates and large residences
  • Coverage for HVAC, appliances, lighting, and critical loads
  • Coastal, industrial, or high-humidity installations requiring corrosion resistance
  • Reliable standby protection for extended outages

Packaging

The Generac 22kW generator package includes a G-Force 1000 engine, corrosion-resistant aluminum enclosure, Quiet-Test™ Self-Test Mode, Evolution™ Controller, and full Mobile Link™ WiFi monitoring for remote management and status tracking.

Product Properties

Property Value
Fuel Type Liquid Propane or Natural Gas
Oil Capacity (qt) 1.9
Oil Filter P/N 070185ES
Air Filter P/N 0J8478S
Spark Plug P/N G06767A
Engine Size 999cc
Battery Type Group 26R 540 CCA Minimum or Group 35 AGM 650 CCA Minimum
Engine Type G-Force 1000
Weight (lb) 466
Length (in) 48
Height (in) 29
Running Watts (W) 22000
Main Line Circuit Breaker 100
Battery Size 12V
Controller Type Evolution
Quiet Test Mode Yes

Looking for something slightly smaller? Explore the Generac 20kW 3-Phase Standby Generator. For more details on Generac’s full line of backup systems, visit Generac.com.

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