Guardian 25 kW Generator

The solid, reliable, increased horsepower of an automotive-style, liquid cooled engine provides whole house power protection for larger homes and essential circuit protection for small and medium businesses such as gas stations, restaurants and offices.

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24/7 Automatic Backup Power
High-quality, liquid-cooled standby generator designed for larger homes and commercial buildings.

Quiet-Test™ Mode
Thanks to Quiet-Test, your Guardian Series home standby generator runs its weekly self-test at a lower RPM.

Powerful, Automotive-Style Engine
Powerful, liquid-cooled engine packs more power into a smaller footprint than air-cooled models.

Durable Steel Enclosure
Sturdy galvanneal steel enclosure with a durable powder-coat finish for superior weather protection.

Nexus™ Controller
Generac's Nexus™ Controller is the most comprehensive available. The dual line, tri-lingual LCD display allows for easy monitoring and management of generator functions.

Continuous Fuel Source - LP or Natural Gas
The engine runs on existing liquid propane or natural gas for a continuous, worry-free fuel supply.