Built-in Ambulance Heater/AC question and mod ideas

interested in a similar unit did you use it this past summer much

I've used it a few times and haven't had the best luck with it. It definitely blows cold air but I don't think it puts out enough to overcome the heat built up inside my camper. If it ran 24/7 it probably would eventually work but that would use an enormous amount of power. I do have 800ah of lithium batteries but currently only have 400 watts of solar which isn't enough to keep up with the A/C unit and isn't even enough to replenish my batteries in a timely manner. I have plans for more solar but haven't got around to it yet. The other issue I'm having is I have the outdoor unit mounted under the rig between the frame rails and for some reason the compressor overheats and shuts down if I try to run the unit when I'm driving. I added another fan blowing directly onto the compressor and it still overheats. Not sure what's up with that.
 

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