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
3.2/5
For homes on natural gas that want essentials covered by a quiet, well supported brand with monitoring included.
- 13 kWPropane
- 13 kWNatural gas
- Included, 200 ATransfer switch
- 5 yearsWarranty
Check price at Norwall$5,384.39
Price checked November 1, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Full 13 kW on natural gas, no derating
- Remote monitoring built in
- Warranty runs 5 years or 2,000 hours
Cons
- Expensive for a 13 kW unit
- Heavy at 479 lb for its output
- Transfer switch warranty is only 2 years
The Cummins Quiet Connect family
Every Cummins Quiet Connect model we rank, smallest first. Ratings compare each against its own size.
| Model | Propane | Rating | Price |
|---|---|---|---|
| Cummins Quiet Connect RS13A 13kW (this one) | 13 kW | 3.2/5 | $5,384.39 |
| Cummins Quiet Connect RS17A 17kW | 17 kW | 3.0/5 | $6,264.97 |
| Cummins Quiet Connect RS20AC 20kW | 20 kW | 3.2/5 | $6,662.42 |
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 | RS13A-NP2 |
|---|---|
| Output | |
| Rated output, propane | 13 kW |
| Rated output, natural gas | 13 kW |
| THD | Under 5% |
| Engine | 999 cc |
| Engine speed | 3,600 rpm |
| Install | |
| Transfer switch | Included, 200 A |
| Load management | No |
| Remote monitoring | Yes |
| Enclosure | Aluminum |
| Dimensions | 34.1 x 36.0 x 27.3 in |
| Weight | 479 lb |
| Noise and warranty | |
| Noise, normal operation | 65 dBA |
| Warranty | 5 years |
Alternatives in this size
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
Briggs & Stratton PowerProtect 13kW
#7 in Under 15 kWFull review
For buyers covering essentials who already have, or will buy, a separate transfer switch and want a long warranty.
Norwall $4,460$4,460
Compare
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