Generac 22kW Guardian
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Generac 22kW Guardian
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22 kW standby generator, the powerful, popular choice for near-whole-home coverage; balances high motor-starting ability with quiet operation and smart load management.
Rating and reviews
/5
(50 New Reviews)
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5.0
Our Generac generator is what saved our belongings and is what ultimately saved us as a family. There was utter chaos and destruction outside, but my home was air conditioned and I had power.
Jennifer
Home User
5.0
We searched all over Indiana for the right company. Horizon was by far the most professional, and their installation was flawless. Our generator runs like a dream!”
Ethan & Laura
Home user
The Generation 8 – 22 kW model is a widely chosen solution for families who want near-whole-home comfort during an outage. With 22,000 W (LP) and 19,500 W (NG) standby capacity, this generator easily handles multiple HVAC units, major
appliances, and household loads while delivering clean, low-distortion power thanks to True Power™ technology.
Evolution™ controls deliver clear status, programmable exerciser schedules, and event logs; Wi-Fi Mobile Link monitoring is built into selected configurations.
Generac service-rated transfer switches provide flexible load management and can be paired with Smart Management Modules to handle additional large loads
without upsizing the generator.
22,000 W (LP) / 19,500 W (NG)
rated standby capacity for near-whole-home power
High motor-starting capability
via Displaced Phase Excitation and AVR.
200 A service-rated
transfer switch available for full service reliability.
Mobile Link & Evolution
controls for remote monitoring, logs, and maintenance alerts.
- True Power™ Electrical Technology
- Two-line multilingual digital LCD Evolution™ controller
- 200 amp service rated transfer switch available
- Electronic governor
- Standard Wi-Fi connectivity
- System status & maintenance interval LED indicators
- Sound attenuated enclosure
- Natural gas or LP gas operatio
- 5 Year limited warranty
- Listed and labeled for installation as close as 18 in (457 mm) to a structure.*
Who this unit is best for
Homeowners Choose Us
Medium to large single-family homes that want near whole-home backup
Homes with central HVAC systems that must stay on during outages.
Families who want automatic, hands-free protection (no portable generator setup).
Homeowners looking for a long-term, low-maintenance standby solution.
Generac 22kW Standby
Generator Specifications
Specification
22 kW
Rated standby power (LP / NG)
22,000 W / 19,500 W
Rated current @ 240 V (LP / NG)
91.7 A / 81.3 A
Main line circuit breaker
100 A
Phase
Single (1Ø)
Engine
Generac G-Force 1000 Series (2 cyl)
Displacement
999 cc
Unit weight
~466 lb (211 kg)
Dimensions (L×W×H)
~48 × 25 × 29 in
Noise (23 ft, normal load)
~67 dB(A)
Quiet-Test™ noise
~57 dB(A)
Controller
Evolution™ two-line LCD
Warranty
5-year limited (dealer registered)
See PDF for detailed per-SKU fuel consumption and additional certification notes.
Accessories
- 200 A service-rated transfer switch (full service reliability).
- Smart Management Modules (SMM) to manage A/C and large loads.
- Mobile Link cellular/Wi-Fi modules, battery warmers, touch-up paint, and maintenance kits.
- Scheduled maintenance kit (model-specific).
Installation & warranty notes
- Horizon performs full turnkey installation, including permitting and transfer switch integration. Generac’s unit certification and UL/ETL listings support safe, code-compliant installs.
Frequently Asked
Questions (FAQs)
Still have a Questions
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