I've run all three of my 15k ACs on the 5500W Onan. Each one is approx 1750W. I started one at a time. I switched off all the breakers except the three ACs and ran the other circuits off my 2000W inverter. When I checked the output voltage with all three running, it was around 112V. I wouldn't normally run three, but I thought I'd test the capabilities. Keep in mind, I've rewired and added a separate subpanel for the interior circuits so I could utilize the inverter on all the GP circuits. In the process, I was able to free up spaces in the main panel for the 3rd AC breaker and ditch the load sharing devices.
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2013 F350 Lariat Ultimate CC LB
2019 3790RD
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