We run the Dometic on solar during the day. If we know that it will be full solar insolation on the next day, we sometimes leave it on AC at night and wake up about -3000 W-hours. But as KD4UPL noted above, propane is so efficient that using the solar is more of a life-style statement than anything else. We have 1.42 kW of solar and 9.6 kW-hours of LFP. We have run A/C for 3.5 hours several times and generally turn it on for half an hour at the end of a hot day's travel.
Pianatuna and Sushidog have provided me with very useful information
Reed and Elaine Cundiff