Champion 22 kW Whole House Home Standby Generator and 200A Switch with aXis Technology (201221) vs Champion 22 kW Whole House Home Standby Generator and 200A Switch with fleX Technology (201016)
Two of the home standby & large portable generators in our best home standby & large portable generators: champion, westinghouse, duromax & firman comparison, lined up spec by spec. Every figure comes from the manufacturer pages linked below, and the scores use the same published formula as the full ranking.
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#2 of 23 in Home Standby & Large Portable Generators
Champion 22 kW Whole House Home Standby Generator and 200A Switch with aXis Technology (201221)
7.4/10
Best for: 22 kW whole-house kit with a 200A switch (aXis)
Check price at AmazonC
#3 of 23 in Home Standby & Large Portable Generators
Champion 22 kW Whole House Home Standby Generator and 200A Switch with fleX Technology (201016)
7.4/10
Best for: 22 kW whole-house kit with a 200A switch (fleX)
Check price at AmazonSpec-by-spec comparison
Green marks the better published figure. "Not listed" means the manufacturer doesn't publish it.
| Spec | Champion 22 kW Whole House Home Standby Generator and 200A Switch with aXis Technology (201221) | Champion 22 kW Whole House Home Standby Generator and 200A Switch with fleX Technology (201016) | Weight |
|---|---|---|---|
| Running watts (best listed fuel)The highest continuous (rated) output the maker lists on any fuel: gasoline for most portables, propane for home standby units. Output on other fuels is in each product's notes. | 22000 W | 22000 W | 35% |
| NoiseThe maker's noise figure in decibels. Champion lists operational volume for its standby units; load and distance otherwise vary by maker. | 67 dBA | 67 dBA | 15% |
| Runs on natural gasYes for home standby and tri-fuel models that can run on piped natural gas, which avoids refueling in a long outage. | Yes | Yes | 15% |
| Runtime at 50% load (gasoline)Hours on a full gasoline tank at half load. Home standby units run on piped gas or a propane tank, so they show Not listed and score the category minimum on this criterion; their strength shows in the other criteria. | Not listed | Not listed | 10% |
| Transfer switch / transfer-switch readyYes for home standby kits that include an automatic transfer switch, and portables with a 120/240V L14-30R or 14-50R outlet or a maker 'transfer switch ready' listing. | Yes | Yes | 10% |
| CO shutoffYes when the maker lists automatic carbon monoxide shutoff. Champion's standby pages don't list one, so it shows as Not listed. | Not listed | Not listed | 10% |
| CARB compliantYes when the maker lists CARB compliance. Not listed counts as no. | Not listed | Not listed | 5% |
| Fuel tank | Not applicable (piped natural gas or a propane tank) | Not applicable (piped natural gas or a propane tank) | info |
| Outlets | Home standby: includes a 200A automatic transfer switch | Home standby: includes a 200A automatic transfer switch | info |
| CO shutoff | Not published by the maker | Not published by the maker | info |
| CARB | Not published by the maker | Not published by the maker | info |
| Rated watts on propane | 22,000 W | 22,000 W | info |
| Rated watts on natural gas | 19,800 W | 19,800 W | info |
| Engine | 999cc | 999cc | info |
| Install | Permanent outdoor installation by a licensed installer | Permanent outdoor installation by a licensed installer | info |
| GenPick score | 7.4/10 | 7.4/10 | 100% |
Where each one comes out ahead
Champion 22 kW Whole House Home Standby Generator and 200A Switch with aXis Technology (201221)
No scored spec where it is strictly ahead; its case rests on the strengths below.
What we like
Watch out for
- Runtime at 50% load (gasoline) not published by Champion
Champion 22 kW Whole House Home Standby Generator and 200A Switch with fleX Technology (201016)
No scored spec where it is strictly ahead; its case rests on the strengths below.
What we like
Watch out for
- Runtime at 50% load (gasoline) not published by Champion
Verdict
Same 22 kW output and 67 dB(A). The aXis kit lists 637.6 vs 697 lb.
- Champion 22 kW Whole House Home Standby Generator and 200A Switch with aXis Technology (201221): Champion: 22 kW Whole House Home Standby Generator and 200A Switch with aXis Technology
- Champion 22 kW Whole House Home Standby Generator and 200A Switch with fleX Technology (201016): Champion: 22 kW Whole House Home Standby Generator and 200A Switch with fleX Technology
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