Champion 100304 22kW aXis Generator Features:
Champion 100304 22kW aXis™ Home Standby Generator
The Champion 100304 22kW aXis™ Home Standby Generator is a premium residential standby generator designed to provide dependable automatic backup power for larger homes. Built with Champion's advanced aXis™ controller, this generator continuously monitors incoming utility power and automatically starts within seconds when paired with a compatible Champion automatic transfer switch. The result is seamless protection for your home during power outages caused by severe weather, utility failures, or unexpected emergencies.
Delivering 22kW on liquid propane and 19.8kW on natural gas, the Champion 100304 provides the capacity needed to power multiple HVAC systems, refrigerators, freezers, lighting, well pumps, kitchen appliances, home offices, security systems, and many other essential household loads. Designed for whole-home backup, it produces clean, stable electricity while maintaining excellent fuel efficiency compared to many competing standby generators.
The aXis™ platform introduces several advanced technologies that simplify installation and improve overall system performance. Its intelligent aXis™ load management allows homeowners to prioritize electrical loads, helping a smaller generator efficiently manage larger homes. Power Line Carrier technology reduces installation costs by allowing communication between the generator and transfer switch through the home's existing electrical wiring. The integrated Wi-Fi Direct setup allows installers to quickly configure and commission the system from a smartphone or tablet without additional networking equipment.
Built for long-term reliability, the generator features an aluminum-zinc coated steel enclosure with a weatherproof finish, an innovative gullwing enclosure design for easier installation and servicing, and Champion's advanced airflow system that helps reduce operating temperatures and extend engine life. A 24-volt electric starting system provides dependable starting in temperatures as low as -22°F, while less than 5% total harmonic distortion (THD) delivers clean power that is safe for today's sensitive electronics and smart home technology. Backed by an industry-leading 10-year limited warranty, the Champion 100304 is built to provide years of dependable backup power.
Key Features
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22kW LP / 19.8kW NG standby power output
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120/240V single-phase electrical output
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Less than 5% total harmonic distortion (THD) for clean power to sensitive electronics
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100-amp main line circuit breaker
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Digital 4-inch color aXis™ controller
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Advanced aXis™ programmable load management technology
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Power Line Carrier communication using existing home wiring
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Wi-Fi Direct commissioning for fast installation
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24-volt electric starting system with dependable starting down to -22°F
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Advanced airflow cooling system for longer engine life
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Innovative gullwing enclosure for easier installation and maintenance
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Aluminum-zinc coated steel weatherproof enclosure
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Quiet operation at approximately 67 dB(A)
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Approximately 20% lower fuel consumption at average load than leading competitors
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Compatible with Champion 100A, 150A, and 200A automatic transfer switches
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Industry-leading 10-year limited warranty
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Dimensions: 53" L × 28.2" W × 28.4" H
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Operating weight: approximately 590 lbs
Frequently Asked Questions
What can a 22kW standby generator power?
A 22kW standby generator can power most large homes, including multiple air conditioning systems, refrigerators, freezers, lighting, well pumps, kitchen appliances, home offices, security systems, and many other essential electrical loads. With Champion's aXis™ load management, available power is intelligently prioritized to maximize generator capacity.
Does the Champion 100304 include an automatic transfer switch?
No. The Champion 100304 is the generator-only model. It is designed to be paired with Champion's compatible 100A, 150A, or 200A automatic transfer switches, allowing homeowners to choose the switch that best matches their electrical service.
What is the difference between Champion aXis™ and fleX™ technology?
Champion's aXis™ platform builds on the company's intelligent load management technology by adding a 4-inch color digital controller, an innovative gullwing enclosure, advanced airflow design, and an aluminum-zinc coated steel enclosure for improved durability. Like fleX™, it also features Power Line Carrier communication, Wi-Fi Direct commissioning, and programmable load management.
Can this generator operate on natural gas and propane?
Yes. The Champion 100304 is designed to operate on either natural gas or liquid propane, allowing homeowners to choose the fuel source that best fits their home and available utilities.
Is this generator suitable for cold-weather installations?
Yes. The generator includes a 24-volt electric starting system engineered to reliably start in temperatures as low as -22°F, making it an excellent choice for regions with harsh winter weather.
Does this generator provide clean power for sensitive electronics?
Yes. The Champion 100304 produces less than 5% total harmonic distortion (THD), delivering clean, utility-quality electricity that is safe for computers, televisions, networking equipment, smart home devices, medical equipment, and other sensitive electronics.
Ideal Applications
The Champion 100304 22kW generator is ideal for:
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Large homes requiring dependable whole-home standby power
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Homeowners purchasing a generator before selecting a transfer switch
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Homes with multiple HVAC systems and higher electrical demands
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Properties requiring advanced load management for maximum efficiency
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Cold-weather installations requiring reliable automatic starting
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New residential standby generator installations
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Homeowners seeking a premium generator with simplified installation, quiet operation, and long-term durability
