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Generac 7226 Guardian Standby 18kW Air-Cooled
$4,079.00
The Generac 7226 Guardian 18kW is an air-cooled automatic standby generator designed for reliable whole-home backup power. Running on natural gas or propane, it delivers clean electricity, quiet operation, and smart remote monitoring for dependable emergency protection.
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US/CA 11–23 · AU 8–17 · Other countries 30–45 business days
Description
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
| Specification | Details |
|---|---|
| Brand | Generac |
| Model | 7226 Guardian |
| Type | Air-Cooled Standby Generator |
| Power Output (LP) | 18,000W |
| Power Output (NG) | 17,000W |
| Engine | Generac G-Force 999cc OHVI |
| Fuel Type | Natural Gas / Propane (LP) |
| Voltage | 120/240V Single Phase |
| Frequency | 60 Hz |
| Operation | Fully Automatic Standby |
| Transfer Switch | Compatible (100A–200A depending installation) |
| Cooling System | Air-Cooled |
| Enclosure | Weather-Resistant Aluminum |
| Total Harmonic Distortion | <5% (True Power™) |
| Remote Monitoring | Mobile Link™ Wi-Fi |
| Starter Electric | Automatic Start |
| Exercise Cycle | Self-Test Mode |
| Protection System | Low oil shutdown, overload protection |
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