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.
Amazon $6,506.10$6,506.10
The Generac 22kW Standby 7325 rates 3.4 among 15 to 22 kw standby generators; the Generac 24kW Standby 7326 rates 3.2 among over 22 kw ones. The Generac 22kW Standby 7325 costs $369 less ($6,506.10 vs $6,875.10).
Generac 24kW Standby 7326
#3 in Over 22 kWFull review
For larger homes with a big air conditioner or electric range that want headroom on propane.
Amazon $6,875.10$6,875.10
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 | Generac 22kW Standby 7325 | Generac 24kW Standby 7326 |
|---|---|---|
| Overall rating | 3.4/5 | 3.2/5 |
| Value 35% | 47 $296 per kW ($6,506 with transfer switch, 22 kW on propane) | 33 $286 per kW ($6,875 with transfer switch, 24 kW on propane) |
| Transfer switch 15% | 100 includes a 200 A transfer switch | 100 includes a 200 A transfer switch |
| Noise 15% | 42 67 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% | 29 5-year warranty | 29 5-year warranty |
Specifications
| Generac 22kW Standby 7325 | Generac 24kW Standby 7326 | |
|---|---|---|
| Output | ||
| Rated output, propane | 22 kW | 24 kW |
| Rated output, natural gas | 21 kW | 22.5 kW |
| THD | Under 5% | Under 5% |
| Engine | 997 cc | 997 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 | 46.4 x 26.3 x 30.7 in | 46.4 x 26.3 x 30.7 in |
| Weight | 451 lb | 461 lb |
| Noise and warranty | ||
| Noise, normal operation | 67 dBA | 67 dBA |
| Noise, weekly self-test | 55 dBA | 55 dBA |
| Warranty | 5 years | 5 years |
| Released | 2025 | 2025 |