# Generac Guardian 26kW (7291) vs Cummins QuietConnect RS20A: specs and price compared

A sourced, side-by-side comparison of the Generac Guardian 26kW (7291) (Generac) and Cummins QuietConnect RS20A (Cummins) among standby generators. Cummins QuietConnect RS20A is the cheaper of the two at $5747.5.

## Side by side

| Spec | Generac Guardian 26kW (7291) | Cummins QuietConnect RS20A |
| --- | --- | --- |
| US price | $7749 | $5747.5 |
| Brand | Generac | Cummins |
| Rated output lp (kW) | 26 | 20 |
| Rated output ng (kW) | — | 18 |
| Fuel type | dual-fuel | dual-fuel |
| Cooling type | air-cooled | air-cooled |
| Transfer switch amps | 200 | — |
| Engine displacement cc | 999 | — |
| Thd percent | 5 | — |
| Noise level db (A) | 57 | 65 |
| Phase | — | single-phase |
| Enclosure material | aluminum | aluminum |
| Warranty years | 5 | 5 |
| Weight (lb) | 518 | — |

## Key differences

- Rated output lp (kW): Generac Guardian 26kW (7291) 26 vs Cummins QuietConnect RS20A 20
- Noise level db (A): Generac Guardian 26kW (7291) 57 vs Cummins QuietConnect RS20A 65

## Sources

- Generac Guardian 26kW (7291): https://www.generac.com/residential-products/standby-generators/gaseous/26kw-standby-generator-with-whole-house-switch-wifi-enabled-7291/ (generac.com, verified 2026-07-11)
- Cummins QuietConnect RS20A: https://apelectric.com/cummins-rs20a-20kw-quiet-connect-generator/ (apelectric.com, verified 2026-07-11)

Canonical: https://frontdeskreview.com/gear/standby-generators/generac-guardian-26kw-7291-vs-cummins-quietconnect-rs20a/
Cite: Per The Front Desk Review, Generac Guardian 26kW (7291) ($7749) vs Cummins QuietConnect RS20A ($5747.5) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/standby-generators/generac-guardian-26kw-7291-vs-cummins-quietconnect-rs20a/
License: CC BY 4.0.