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
The Briggs & Stratton PowerProtect+ 22kW rates 3.4 among 15 to 22 kw standby generators; the Briggs & Stratton PowerProtect+ 26kW rates 3.3 among over 22 kw ones. The Briggs & Stratton PowerProtect+ 22kW costs $780 less ($7,289 vs $8,069).
Briggs & Stratton PowerProtect+ 26kW
#1 in Over 22 kWFull review
For larger homes that want the most output and the longest full service warranty among the big brands.
Norwall $8,069 Signature Solar $8,069$8,069
Prices were last checked November 1, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Scores side by side
These two sit in different size classes (15 to 22 kw and over 22 kw), and each is scored against the reference points for its own class, so a rating says how well each does among its own size peers. How we rank explains each factor.
| Factor weight | Briggs & Stratton PowerProtect+ 22kW | Briggs & Stratton PowerProtect+ 26kW |
|---|---|---|
| Overall rating | 3.4/5 | 3.3/5 |
| Value 35% | 29 $331 per kW ($7,289 with transfer switch, 22 kW on propane) | 20 $310 per kW ($8,069 with transfer switch, 26 kW on propane) |
| Transfer switch 15% | 100 includes a 200 A transfer switch | 100 includes a 200 A transfer switch |
| Noise 15% | 50 66 dBA rated in normal operation | 42 67 dBA rated in normal operation |
| Power quality 10% | 83 under 5% THD | 83 under 5% THD |
| Warranty 25% | 57 7-year warranty | 57 7-year warranty |
Specifications
| Briggs & Stratton PowerProtect+ 22kW | Briggs & Stratton PowerProtect+ 26kW | |
|---|---|---|
| Output | ||
| Rated output, propane | 22 kW | 26 kW |
| Rated output, natural gas | 22 kW | 24 kW |
| THD | Under 5% | Under 5% |
| Engine | 993 cc | 993 cc |
| Engine speed | 3,600 rpm | 3,600 rpm |
| Install | ||
| Transfer switch | Included, 200 A | Included, 200 A |
| Load management | No | No |
| Remote monitoring | Yes | Yes |
| Enclosure | Aluminum | Aluminum |
| Dimensions | 46 x 27 x 28 in | 46 x 27 x 28 in |
| Weight | 490 lb | 545 lb |
| Noise and warranty | ||
| Noise, normal operation | 66 dBA | 67 dBA |
| Noise, weekly self-test | 62 dBA | 62 dBA |
| Warranty | 7 years | 7 years |
| Released | 2026-05 | 2026-05 |