Home made APU

[farmboy]

I mounted an 8000 btu house wall ac in the back wall of my Prostar and run it with a generator.It worked great for a year and then at the end of last summer the ac wouldn't blow cold. I could hear the compressor kick on but no cold.My guess is it has lost its freon. Bought a new one to slide in for $200 so I'll switch them and see if the old one can be charged for a spare.Used a 3500 watt generator ($400) the first year and built a box for it on the catwalk with vents and a cooling fan and insulation for noise. worked well and has a remote start so I could turn it on or off from the cab. I felt that the box still holds too much heat so I think I will replace it with an inverter generator this spring. All and all its still a good system for not much money. ( I'm cheap)