Generac Guardian 14kW (7224) vs Kohler 14RCA 14kW
Both units carry the same best-fuel running rating: 14,000 W. The Generac Guardian 14kW (7224) is the quieter of the two (65 dBA vs 67 dBA — though manufacturers measure noise at different loads and distances).
| Generac Guardian 14kW (7224) | Kohler 14RCA 14kW | |
|---|---|---|
| Price (MSRP) | — | $4,997 |
| Type | home-standby | home-standby |
| Fuel | natural-gas, propane | natural-gas, propane |
| Running watts (gas / LP for standby) | 14000 W | 14000 W |
| Running watts (propane) | 14000 W | 14000 W |
| Running watts (natural gas) | 14000 W | 12000 W |
| Noise level | 65 dBA | 67 dBA |
| Output voltage | 120/240V | 120/240V |
| Automatic transfer switch included | No | No |
| Main-line circuit breaker | 60 A | — |
| Start type | automatic | automatic |
| Engine | Generac G-Force 800 | Kohler CH740 |
| Engine displacement | 816 cc | 725 cc |
| NG use at half load | 195 ft³/h | 124 ft³/h |
| Propane use at half load | 1.81 gal/h | 1.65 gal/h |
| Weight | 385 lb | 440 lb |
| Warranty | 5 yr | 5 yr |
Frequently asked questions
Which costs less to run, the Generac Guardian 14kW (7224) or the Kohler 14RCA 14kW?
Estimated fuel for 24 hours at about 50% load: $70 on natural gas for the Generac Guardian 14kW (7224) vs $44 on natural gas for the Kohler 14RCA 14kW, at national average prices. These are spec-sheet-derived estimates — the assumptions are on the methodology page, and different fuels make this a cost comparison, not an efficiency ranking.
Where do these specifications come from?
Every record on BackupAtlas is hand-curated from manufacturer documentation and spec sheets, and each generator page links to its source document.