Champion 22kW aXis
#1 in 15 to 22 kWFull review
For homes with central air that want whole-house backup for the least money and a long parts warranty.
Norwall $5,699$5,699
4.0/5
For coastal or wet climates that want Champion’s 22 kW and long warranty in a rust-proof aluminum housing.
- 22 kWPropane
- 19.8 kWNatural gas
- Included, 200 ATransfer switch
- 10 yearsWarranty
Check price at Amazon$6,399
Price checked November 1, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Aluminum housing will not rust, unlike Champion’s steel aXis cabinet
- 10-year warranty, the longest here
- Runs most homes with central air
Cons
- Costs about $700 more than the steel aXis 22 kW
- Largest and heaviest 22 kW here at 697 lb
- No remote monitoring out of the box
How it scores
The rating comes from 5 measured or published factors, each scored 0-100 against fixed reference points for its size. How we rank explains each one.
Specifications
| Model number | 201016 |
|---|---|
| Output | |
| Rated output, propane | 22 kW |
| Rated output, natural gas | 19.8 kW |
| THD | Under 5% |
| Engine | 999 cc |
| Engine speed | 3,600 rpm |
| Install | |
| Transfer switch | Included, 200 A |
| Load management | No |
| Remote monitoring | No |
| Enclosure | Aluminum |
| Dimensions | 59.4 x 31.5 x 45.9 in |
| Weight | 697 lb |
| Noise and warranty | |
| Noise, normal operation | 67 dBA |
| Warranty | 10 years |
Alternatives in this size
Briggs & Stratton PowerProtect+ 22kW
#3 in 15 to 22 kWFull review
For homes with central air on natural gas that want full output, built-in monitoring and seven years of full cover.
Norwall $7,289 Signature Solar $7,289$7,289
Generac 22kW Standby 7325
#4 in 15 to 22 kWFull review
For typical homes with central air that want the best known brand and a whole-house switch in the box.
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