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Generac 7228 18KW Guardian Home Backup Generator w/WiFi and Home Transfer Switch

by Generac

$5,737.00 + Free Shipping
Ships Factory Direct
This is a Built to Order item and ships from the manufacturer within 10 to 15 business days. For further assistance please call 800.629.3325

Condition: New

SKU: GNC-7228

Product Downloads





Owner's Manual


Wi-Fi Manual



  • Air-cooled home backup generator that runs on a Generac 816cc G-Force twin-cylinder engine with a 3600 RPM max. The aluminum cylinder block and sturdy casing make it very durable
  • The model features a dual-fuel carburetion system that runs on liquid propane or natural gas. It produces 18,000 watts on LP and 17,000 on natural gas. Changing from LP to natural gas is easy
  • The oil tank stores up to 2.2 quarts / 2.1 liters of oil. The full pressure oil lubrication system allows the engine to run efficiently for long hours. It will also extend the maintenance intervals
  • The automatic transfer switch has a NEMA/UL 3R aluminum enclosure and can be installed both indoors and outdoors
  • Choose from 100amp 16-circuit switch or a 200amp service rated smart switch
  • The ATS features smart management modules to manage power for air-conditioners and similar heavy loads
  • Smart Management Module manages up to 4 air conditioners efficiently. The load management system protects the engine from overload so the generator never shuts down when you need it the most.
  • G-Flex variable speed technology allows the air-cooled gas engine to operate at various speeds to adjust to the changing load conditions
  • This all-new Guardian 7226 generator can power up air conditioners, refrigerators, furnaces, sump pumps, microwaves, computers, monitors, TV, lights, and more
  • TRUE POWER TECHNOLOGY makes it perfect for use with modern electronics and appliances with micro-circuitry such as HVACs, refrigerators, laptops, cell phones, and tablets
  • The model is cETL/ETL, cUL2200/UL2200 certified
What's in The Box
  • Generac 18KW GUARDIAN Generator - 7228
  • 200 Amp Whole Home Transfer Switch
  • Owners Manual
  • 5 Year Limited Factory Warranty
  • 30 Day Satisfaction Guaranteed
SKU 7228
Brand Generac
Max Continuous Rated Watts(LP) 18000
Max Continuous Rated Watts(NG) 17000
Rated Voltage 240
Total Harmonic Distortion less than 5 percent
Phase 1
Number of Rotor Poles 2
Rated AC Frequency 60 hz
Power Factor 1
Main Line Circuit Breaker 80 amp
Sound Output in dB(a) at 23 ft w/ Normal Load 65
Sound Output in dB(a) at 23 ft w/ Quiet Test Low Speed 55
Engine Type G-Force 800 Series
Cylinders 2
Displacement 816cc
Lifter Type Hydraulic
Ignition Type Solid State w/ magneto
Governor Type Electronic
Compression Type 9.5-1
Starter 12 VDC
Cylinder Block Aluminum w/ Cast Iron Sleeve
Valve Arrangement Overhead Valve
Oil Capacity Including Filter Approx 2.2 qt / 2.1 L
Operating RPM 3600
Fuel Consumption Full Load(NG) 247 ft/hr
Fuel Consumption Full Load(LP) 110 ft/hr
Mode Buttons Auto, Manual, Off
Dimensions (LxWxH) 48 x 25 x 29 in
Weight 191 lbs
This generator provides essential circuit power protection for your home during a power outage, ensuring that essential appliances maintain power. This standby generator is automatic and offers protection year-round, for less than the cost of central air conditioning.
Every Guardian Series home standby generator comes with Mobile Link™ Remote Monitoring. Remote Monitoring is FREE, and allows you to monitor the status of your generator from anywhere in the world. Use a smartphone, PC, or tablet to access generator information, such as the current operating status and maintenance alerts. By connecting your account you have access to authorized service dealers for fast, friendly, and proactive service.
Generac generators are ideal for weathering storms and power outages. Their automatic backup power gives you piece of mind that your home and appliances are protected.
Generac generators and engines are designed, engineered and assembled in the USA using domestic and foreign parts.
The Generac G-Force Engine is built to handle the stressors of generator use. This results in power that’s more reliable and requires less routine maintenance than competitor engines. Generac’s new G-Force engine is purpose built and pressure-lubricated. It features hydraulic lifters, which improve engine performance and extending the life of the product. (Hydraulic lifters only available on the 13 & 16 kW.)

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