10 20–25 kw natural gas generator models side by side — power, phase, sound level, weight and fuel tank capacity, compiled from manufacturer specification sheets.
| Model | Standby | Phase | Sound | Weight | Fuel tank |
|---|---|---|---|---|---|
| MTU 4R0063 GS20 | 20.0 kW | — | — | — | — |
| Generac QT020 | 20.0 kW | 1-phase/3-phase | 63.0 dBA | — | — |
| Generac Home Standby - 20 | 20.0 kW | 1-phase | — | 446.78 kg | — |
| Generac Home Standby 20 | 20.0 kW | 1 | — | 860.0 kg | — |
| Enerblu MICRO GAS 20 | 20.0 kW | — | — | — | — |
| Rivera Diésel S.A RG022 | 22.0 kW | Monofásico / Trifásico | 70.0 dBA | 436.0 kg | — |
| Rivera Diésel S.A RG025 | 22.0 kW | Monofásico / Trifásico | 70.0 dBA | 436.0 kg | — |
| Kohler 24RCL | 24.0 kW | 1 | 61.0 dBA | 572.0 kg | — |
| Kohler 30RYG | 24.0 kW | — | — | — | — |
| Kohler 30REYG | 24.0 kW | — | — | — | — |
Among 20–25 kW Natural Gas generators in this comparison, the Kohler 24RCL is quietest at 61.0 dBA.
Among 20–25 kW Natural Gas generators in this comparison, the Rivera Diésel S.A RG022 is lightest at 436.0 kg dry weight.
Not every model reports every spec — blanks mean the source document didn't state that figure, not that the value is zero.