Generac Guardian Series 22kW Air-Cooled Home Standby Generator with Wi-Fi & 200 Amp Automatic Transfer Switch

Reliable Whole-Home Backup Power When You Need It Most

Power outages can happen without warning, but your home doesn’t have to go dark. The Generac Guardian Series 22kW Home Standby Generator automatically restores electricity within seconds of an outage, keeping your lights, HVAC system, refrigerators, medical equipment, security systems, internet, and essential appliances operating without interruption.

Engineered for dependable residential backup power, this premium standby generator combines advanced technology, automatic operation, exceptional fuel efficiency, and quiet performance. With its integrated 200 Amp automatic transfer switch, your home transitions seamlessly from utility power to generator power without requiring any manual intervention.

Whether you’re facing severe storms, hurricanes, winter weather, or unexpected utility failures, the Guardian Series provides dependable protection for your family’s comfort and safety.

Powerful 22kW Air-Cooled Performance

Designed for demanding residential applications, the Guardian Series delivers up to 22 kilowatts of continuous backup power, making it capable of supporting most entire-home electrical loads.

Performance Benefits

• Powerful 22kW standby output
• Supports whole-home backup power
• Ideal for large residential properties
• Reliable performance during extended outages
• Automatic startup within seconds of power loss

Its high-capacity output allows multiple large appliances and critical systems to operate simultaneously without sacrificing performance.

Automatic 200 Amp Transfer Switch Included

Included with the system is a premium 200 Amp Automatic Transfer Switch (ATS) that continuously monitors incoming utility power.

When an outage is detected, the switch automatically starts the generator and safely transfers your home’s electrical load. Once utility power returns, the system automatically switches back and shuts the generator down.

Transfer Switch Features

• Fully automatic operation
• 200 Amp whole-house capacity
• Fast transition during outages
• No manual switching required
• NEMA 3R outdoor-rated aluminum enclosure

The result is uninterrupted protection with virtually no effort from the homeowner.

Wi-Fi Remote Monitoring with Mobile Link™

Monitor your generator from anywhere using the built-in Mobile Link™ Wi-Fi Remote Monitoring system.

Using your smartphone, tablet, or computer, you can easily check:

• Generator operating status
• Maintenance reminders
• Exercise schedules
• Service notifications
• System alerts
• Runtime history

You can also connect your generator to an authorized Generac dealer for proactive maintenance support and remote diagnostics.

True Power™ Technology

Sensitive electronics require clean electricity. Generac’s exclusive True Power™ Technology delivers premium-quality power with less than 5% Total Harmonic Distortion (THD).

Ideal for Protecting

• Computers
• Smart TVs
• Home theaters
• Gaming systems
• Medical devices
• Home automation systems
• Wi-Fi equipment
• Kitchen appliances

This stable power output helps protect valuable electronics from voltage fluctuations during generator operation.

Heavy-Duty Generac G-Force Engine

At the heart of the Guardian Series is Generac’s purpose-built G-Force pressure-lubricated engine, engineered specifically for standby generator applications.

Engine Advantages

• Pressure-lubricated design
• Built specifically for standby operation
• Exceptional durability
• Long service life
• Lower maintenance requirements
• Reliable performance during extended outages

Unlike modified industrial engines, the G-Force engine is designed from the ground up for residential backup power.

Quiet-Test™ Technology

Routine self-testing ensures your generator is always ready without creating unnecessary noise.

Generac’s exclusive Quiet-Test™ Self-Test Mode operates at lower engine speeds during scheduled exercise cycles.

Benefits Include

• Quieter weekly self-tests
• Reduced fuel consumption
• Lower engine wear
• Less neighborhood disturbance
• Improved long-term reliability

The generator remains prepared while minimizing operating noise.

Advanced Evolution™ Digital Controller

The integrated Evolution™ Controller simplifies generator management with an intuitive multilingual LCD display.

Controller Features

• Easy-to-read LCD screen
• Battery monitoring
• Maintenance reminders
• Diagnostic information
• Operating history
• Generator status updates
• Service scheduling

Everything needed to monitor system health is available at a glance.

Durable Weather-Resistant Construction

Built to withstand harsh outdoor environments, the Guardian Series features a corrosion-resistant aluminum enclosure protected by Generac’s RhinoCoat™ powder-coated finish.

Built for Outdoor Installation

• Corrosion-resistant aluminum housing
• RhinoCoat™ powder coating
• Weather-resistant enclosure
• Suitable for year-round outdoor use
• Long-lasting finish

The rugged enclosure protects internal components from rain, snow, humidity, and UV exposure.

Automatic Protection for Your Entire Home

The Guardian Series is ideal for powering nearly every essential household system.

Common Applications

• Whole-home backup power
• HVAC systems
• Refrigerators & freezers
• Sump pumps
• Well pumps
• Medical equipment
• Lighting
• Home offices
• Security systems
• Internet and networking equipment
• Kitchen appliances
• Laundry equipment

Whether the outage lasts minutes or days, your home remains protected.

Designed for Long-Term Reliability

Generac has built its reputation on dependable backup power solutions trusted by millions of homeowners worldwide.

Reliability Features

• Automatic weekly self-testing
• Industrial-grade engine components
• Smart diagnostics
• Automatic voltage regulation
• Reliable cold-weather starting
• Low maintenance requirements
• Backed by a 5-Year Limited Warranty

The Guardian Series is engineered to deliver years of dependable emergency power.

Technical Specifications

Why Choose the Generac Guardian Series 22kW Generator?

✔ Powerful 22kW whole-home backup capacity

✔ Includes 200 Amp automatic transfer switch

✔ Built-in Wi-Fi Mobile Link™ remote monitoring

✔ True Power™ Technology protects sensitive electronics

✔ Reliable Generac G-Force pressure-lubricated engine

✔ Quiet-Test™ low-noise weekly self-testing

✔ Durable RhinoCoat™ corrosion-resistant enclosure

✔ Evolution™ LCD controller with maintenance alerts

✔ Automatic operation during power outages

✔ Backed by a 5-Year Limited Warranty