Champion 12.5kW Home Standby
#1 in Under 15 kWFull review
For homes that want essentials backed up automatically at a low price and a long parts warranty.
Norwall $4,199$4,199
4.2/5
For small homes or cabins that need a few essential circuits backed up automatically on a tight budget.
- 8.5 kWPropane
- 7.5 kWNatural gas
- Included, 50 ATransfer switch
- 10 yearsWarranty
Check price at Norwall$3,299
Price checked November 1, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- The lowest price here for a complete standby kit with a switch
- Quiet 59.5 dBA running
- 10-year warranty, the longest here
Cons
- 50 A switch covers only a handful of circuits
- Too small for central air
- Labor is covered only for the first 2 years
The Champion Select Circuit Standby family
Every Champion Select Circuit Standby model we rank, smallest first. Ratings compare each against its own size.
| Model | Propane | Rating | Price |
|---|---|---|---|
| Champion 8.5kW Home Standby (this one) | 8.5 kW | 4.2/5 | $3,299 |
| Champion 12.5kW Home Standby | 12.5 kW | 4.3/5 | $4,199 |
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 | 100177 |
|---|---|
| Output | |
| Rated output, propane | 8.5 kW |
| Rated output, natural gas | 7.5 kW |
| THD | Under 5% |
| Engine | 439 cc |
| Engine speed | 3,600 rpm |
| Install | |
| Transfer switch | Included, 50 A |
| Load management | No |
| Remote monitoring | No |
| Enclosure | Steel |
| Dimensions | 49 x 28 x 28 in |
| Weight | 374.9 lb |
| Noise and warranty | |
| Noise, normal operation | 59.5 dBA |
| Warranty | 10 years |
Alternatives in this size
Champion 14kW aXis
#2 in Under 15 kWFull review
For budget buyers who want a whole-house switch and a long warranty for essentials and a small air conditioner.
Norwall $4,999$4,999
Generac 10kW Standby 7321
#4 in Under 15 kWFull review
For smaller homes that only need the fridge, furnace, well pump and lights during an outage, at a low price.
Amazon $3,896.10$3,896.10
Compare
Compare the Champion 8.5kW Home Standby with any other standby generator →
More from Champion: every Champion product ranked.