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
The Generac 10kW Standby 7321 is the better standby generator overall, rated 3.5 to 3.4. The Generac 10kW Standby 7321 leads on noise. The Generac 10kW Standby 7321 costs $1,359 less ($3,896.10 vs $5,255.10).
Generac 14kW Standby 7323
#5 in Under 15 kWFull review
For homes that want essentials and a small air conditioner covered, with Generac’s cellular monitoring.
Amazon $5,255.10$5,255.10
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.
Which should you buy?
- Choose the Generac 10kW Standby 7321 for noise (61 dBA rated in normal operation vs 65 dBA rated in normal operation).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every under 15 kw standby generator; a clear win is highlighted. How we rank explains each one.
| Factor weight | Generac 10kW Standby 7321 | Generac 14kW Standby 7323 |
|---|---|---|
| Overall rating | 3.5/5 | 3.4/5 |
| Value 35% | 36 $390 per kW ($3,896 with transfer switch, 10 kW on propane) | 41 $375 per kW ($5,255 with transfer switch, 14 kW on propane) |
| Transfer switch 15% | 100 includes a 100 A transfer switch | 100 includes a 200 A transfer switch |
| Noise 15% | 92 61 dBA rated in normal operation | 58 65 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 10kW Standby 7321 | Generac 14kW Standby 7323 | |
|---|---|---|
| Output | ||
| Rated output, propane | 10 kW | 14 kW |
| Rated output, natural gas | 9 kW | 14 kW |
| THD | Under 5% | Under 5% |
| Engine | 459 cc | 817 cc |
| Engine speed | 3,600 rpm | 3,600 rpm |
| Install | ||
| Transfer switch | Included, 100 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 | 344 lb | 391 lb |
| Noise and warranty | ||
| Noise, normal operation | 61 dBA | 65 dBA |
| Noise, weekly self-test | 49 dBA | 55 dBA |
| Warranty | 5 years | 5 years |
| Released | 2025 | 2025 |