7226

Generac 7226 Guardian Standby Generator 18kW Air-Cooled

The Generac 7226 Guardian 18kW is a powerful air-cooled automatic standby generator designed for reliable whole-home backup power. It automatically restores electricity within seconds of a utility outage, ensuring continuous operation of essential systems such as HVAC, refrigerators, lighting, sump pumps, and home electronics.

Powered by a durable Generac G-Force 999cc OHVI engine, this generator runs on natural gas or propane (LP) and delivers stable, clean power suitable for modern sensitive devices. With True Power™ technology (<5% THD) and Mobile Link™ Wi-Fi remote monitoring, users can monitor performance, receive maintenance alerts, and manage system status from anywhere.

The 18kW capacity makes it an excellent mid-to-high range residential solution—strong enough for larger homes while maintaining fuel efficiency and quiet operation.

Key Features

- 18kW high-capacity home backup power
- Fully automatic startup during power outages
- Runs on natural gas or propane
- Mobile Link™ remote monitoring system
- True Power™ clean electricity (<5% THD)
- Supports large home essential + selected whole-house loads
- Quiet air-cooled operation
- Built-in self-test and maintenance alerts
- Durable weather-resistant enclosure
- Engineered for long-term residential reliability

Applications

- Large residential homes
- Whole-home emergency backup systems
- HVAC and refrigeration support
- Water pumps and well systems
- Storm and blackout protection
- Small commercial backup applications