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Standby Generators

22/24kW Models - Perfect for medium to large sized homes.

22kW Model

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.

24kW Model

Generac’s 24kW is a big deal in a small package. Generac’s commitment to continuous improvement, innovation and technology is giving us the ability to bring more power to you. With Generac’s 24kW you can save up to $8,000 in product and installation costs, when compared to competitive output products, while powering what is most important for your home or small business.  The 24kW Guardian unit packs the most power into a small package, taking up to 70% less space when compared to similar output products.


Innovative Engine Design

are at the heart of Generac's success in providing the most reliable generators possible. Generac's G0Force engine lineup offers added peace of mind and reliability for when it's needed the most. The G-Force series engines are purpose built and designed to handle the rigors of extended run times in high temperatures and extreme operating conditions.

True Power Electrical Technology

Superior harmonics and spine wave form produce less than 5% Total Harmonic Distortion for utility power. This allows confident operation of sensitive electronic equipment and micro-chip appliances, such as variable speed HVAC systems.

Mobile Link® Connectivity

FREE with select Guardian Series Home standby generators, Mobile Link Wi-Fi allows users to monitor generator status from anywhere in the world using a smartphone, tablet, or PC. Easily access information such as the current operating status and maintenance alerts. Users can connect an account to an authorized service dealer for fast, friendly, and proactive service. With Mobile Link, users are taken care of before the next power outage. 

Test Criteria





Voltage Regulation

This state of the art power maximizing regulation system is standard on all Generac models. It provides optimized Fast Response to changing load conditions and Maximum Motor Staring Capability by electronically torque-matching the surge loads to the engine. Digital voltage regulation +/- 1%.

Single Source Service Response

from Generac's extensive dealer network provides parts and service know-how for the entire unit, from the engine to the smallest electronic component. 

Generac Transfer Switches

Long life and reliability are synonymous with Generac Power Systems. One reason for this confidence is that the Generac product line includes its own transfer systems and controls for total system compatibility.


All Generac products come with a base 5 year warranty. 

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