22,000 Watt - Dual Fuel Air- Cooled Whole House Home Standby Generator, Smart Home Monitoring
valid time offers
$ 2,435
$ 5,869
About This Product
Generac 22,000-Watt Guardian Series (22 kW) home standby generator is the largest air-cooled home standby generator on the market. 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. Provides whole house coverage for many homes.
Highlights
- Liquid Propane 22000kW / Natural Gas 19500kW
- Quiet-test self-test mode runs at a lower RPM for a 5-minutes or 12-minutes test, making generators significantly quieter than other brands while consuming less fuel
- True power technology delivers best-in-class power quality with less than 5% total harmonic distortion for clean, smooth operation of sensitive electronics and appliances
- Generac generators and engines are engineered and built-in (assembled domestic and foreign parts)
- Generac G-force engine is a purpose-built, pressure-lubricated engine capable of handling the rigors of generator use, resulting in power that's more reliable and requires less routine maintenance than any competitive engine
- 24/7, 365-days customer support team standing by all day, every day from our headquarters in Wisconsin to answer any questions you might have
- Tough, durable all-aluminum enclosures: our RhinoCoat powder-coated finish helps make corrosion-resistant aluminum perfect for all weather conditions
- Smart, user-friendly controls, Generac evolution controller features a multi-lingual LCD display that allows users to monitor battery status and track maintenance intervals to ensure your generator is always in top operating condition
- Mobile link remote monitoring allows you to monitor the status of your generator from anywhere in the world using a smartphone, tablet, or PC, easily access information, such as the current operating status and the generators maintenance schedule, connect your account to your authorized service dealer for fast, friendly and convenient assistance (sold separately)
- Includes: home standby generator, 1-flex fuel line, 2-keys, 1-batt post cover red +, 1-decal service entrance warning, 1-decal warn through conductors, 1-decal service disconnect, 1-warranty statement, 1-guide-site selection doc, 1-install manual, 1-owners manual, 1-important mobile link quick start guide, 1-decal generator disconnect, 1-four pack plug base
- 22,000 Watt - Dual Fuel Air- Cooled Whole House Home Standby Generator, Smart Home Monitoring
✅ Product Summary
22,000-Watt Dual Fuel Air-Cooled Home Standby Generator
Fuel Type: Natural Gas / Propane (no onboard fuel tank — connects to home supply)
Use Case: Whole-home emergency backup
Monitoring: Smart home remote monitoring
Startup Time: 10 seconds after power loss
📐 Physical Dimensions & Installation
AttributeValue
| Height | 29 inches |
| Length | 48 inches |
| Width | 25 inches |
| Weight | 476 lbs |
| Noise Level | 67 dB |
Space: Compact for a 22kW unit; should fit in most side yards.
Noise: 67 dB is reasonable — similar to a normal conversation; quiet for its class.
🔧 Technical Details & Features
AttributeValue
| Running/Starting Watts | 22,000 W (same for both — typical for standby units) |
| Voltage | 120/240V Single Phase |
| Fuel Consumption | Not specified (typically ~3.9 gal/hr LP at full load) |
| Engine | 999cc OEM-branded |
| Built-in Inverter | ❌ No (standard for home standby) |
| CO Shutoff Sensor | ❌ No |
| Start Type | Electric Switch (automatic start w/ ATS) |
| Response Time | 10 seconds |
| Tank Capacity | 0 gal (direct line to fuel source) |
| Smart Monitoring | ✅ Yes (remote diagnostics, alerts) |
⚙️ Built-In Features
Automatic Voltage Regulation (AVR)
Low Oil Shutdown
Overload and Short Circuit Protection
LCD Display
Remote Monitoring
Muffler (for quieter operation)
🔌 Electrical Connections
Number of Receptacles: 0
❗ Standby generators don’t have outlet plugs; they connect directly to your home’s panel.
Transfer Switch Included? ❌ No
You’ll need to purchase a compatible transfer switch separately (typically 200A for whole-home use).
📜 Warranty and Certifications
AttributeValue
| Certifications | UL Listed |
| Warranty | 5-Year Limited |
| Return Policy | Non-Returnable |