Get the second a/c. Wish I had it. Like the old saying goes: better to have and not need it than need it and not having it.
With that said it gets hot in So Cal. My air had a hard time keeping up when going in and out of the mh. If you look at one of the first pages in this thread we bought a portable fan from Costco. It really help move the cold air throughout the couch. We have several trips planned this year. If I find the a/c cant keep the coach cold I'll be adding a second a/c to the bedroom. I will still keep the 30amp for the coach. The new a/c will be powered by its own 20amp cable that will get plugged into the cg pedestal. That's of course if they have an extra 20amp receptacle.
I have the install all planned out. Just waiting to see if I need it or not.
Jerry
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