I'll try posting again... (don't know what happened to my 1st try).
This is a WONDERFUL thread. Thank you so much for all the great tips. I have 2 AC units in my Windsport 29M, so I'm already in pretty good shape. Yet, I have a hard time keeping my hands off if I find a way to 'fix' things to work a little better. So, I'm definitely going to take a close look at my duct work and apply the tips here to make it more efficient. Insulating the low pressure portion of the AC is on my list too.
To help with airflow while driving, how about a scoop/deflector on each side of the cover to pull air in and help the condenser cool? Anyone tried that? I know some here have added fans.
Way way back a guy (post #72 in this thread by gmtech16450yz) had pulled & remounted his AC unit backwards to deal with the airflow problem while driving. I wonder why RV manufacturers don't do this as a standard practice? It would not cost more.
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