Champion 12.5 kW Select Circuit Home Standby Generator and 100A Switch 10 Year Warran (100179) vs Champion 10 kW Whole House Home Standby Generator and 200A Switch with fleX Technology (201597)
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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Champion 12.5 kW Select Circuit Home Standby Generator and 100A Switch 10 Year Warran (100179)
Best for: 12.5 kW select-circuit kit at 63 dB(A)
Check price at AmazonChampion 10 kW Whole House Home Standby Generator and 200A Switch with fleX Technology (201597)
Best for: 10 kW whole-house kit at 61 dB(A)
Check price at AmazonSpec-by-spec comparison
Green marks the better published figure. "Not listed" means the manufacturer doesn't publish it.
| Spec | Champion 12.5 kW Select Circuit Home Standby Generator and 100A Switch 10 Year Warran (100179) | Champion 10 kW Whole House Home Standby Generator and 200A Switch with fleX Technology (201597) | 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. | 12500 W | 10000 W | 35% |
| NoiseThe maker's noise figure in decibels. Champion lists operational volume for its standby units; load and distance otherwise vary by maker. | 63 dBA | 61 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 100A 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 | 12,500 W | 10,000 W | info |
| Rated watts on natural gas | 11,000 W | 9,000 W | info |
| Engine | 717cc | 500cc | info |
| Install | Permanent outdoor installation by a licensed installer | Permanent outdoor installation by a licensed installer | info |
| GenPick score | 5.7/10 | 5.3/10 | 100% |
Where each one comes out ahead
Champion 12.5 kW Select Circuit Home Standby Generator and 100A Switch 10 Year Warran (100179)
Better published figure on: Running watts (best listed fuel).
What we like
Watch out for
- Runtime at 50% load (gasoline) not published by Champion
Champion 10 kW Whole House Home Standby Generator and 200A Switch with fleX Technology (201597)
Better published figure on: Noise.
What we like
Watch out for
- Runtime at 50% load (gasoline) not published by Champion
Verdict
The 12.5 kW lists 12,500 vs 10,000 W on propane with a 100A select-circuit switch; the 10 kW lists a 200A whole-house switch and 61 vs 63 dB(A).
- Champion 12.5 kW Select Circuit Home Standby Generator and 100A Switch 10 Year Warran (100179): Champion: 12.5 kW Select Circuit Home Standby Generator and 100A Switch 10 Year Warran
- Champion 10 kW Whole House Home Standby Generator and 200A Switch with fleX Technology (201597): Champion: 10 kW Whole House Home Standby Generator and 200A Switch with fleX Technology