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Old 04-07-2014, 02:40 PM   #1
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4k gen 1AC vs. 5500 2 AC in a 31 footer

Perhaps I am making a mountain out of a molehill but in a 31 to 32 footer, is a 4k gen with 1 AC unit enough for a summer in the south? At this 31 to 32 foot range, it seems like there is no clear cut answer as some have 1 AC unit and some have 2. I don't think I will be at many parks that have 50 amp service so I am not sure I could run both together anyway. Does only having a 4k gen effect resale down the road? Does it make the coach less appealing to perspective buyers? I always think about resale when I buy to avoid getting stuck with something that is hard to sell.
Thoughts appreciated as always.

Gary
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Old 04-07-2014, 03:24 PM   #2
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We have a 34' motorhome and there is no way a single a/c would get the job done for us. We would not consider a unit with a single a/c, but that's just us.
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Old 04-07-2014, 03:27 PM   #3
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Quote:
Originally Posted by SarahW View Post
We have a 34' motorhome and there is no way a single a/c would get the job done for us. We would not consider a unit with a single a/c, but that's just us.
Totally agree. Todays ac's are capable of running both on less that 30 amps.
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Old 04-07-2014, 03:50 PM   #4
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There probably isn't a clear-cut answer in the 30' range. Much larger than that then definitely yes, you need two units and much less than that then there's no need for a second A/C at all (a single 13,500 A/C unit can freeze me out of my 24' Mini-Winnie but wasn't up to the job in my 36' toyhauler.)

So you are kinda on the line. In a well-constructed/well-insulated (important) 31' unit you could probably get by with one A/C except in the most extreme conditions (i.e. if you are trying to protect against southern stickiness then you will probably be OK, in direct sun in Phoenix then maybe not.) I think if you really like the unit in all other respects and don't plan spending every summer in Texas or Arizona then I wouldn't eliminate it for just that reason alone, and I wouldn't expect that reason alone to have a disastrous effect on resale (unless you were trying to sell it in Texas or Arizona )
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Old 04-08-2014, 05:48 AM   #5
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OK as far as a 4k vs a 5.5k generator, in some if not most cases the 4k generator will be on a 30amp unit. Now depending on the manufacture of the unit will depend on how well it can handle the AC and how well it cools the house.
I had a 2003 33V Suncruiser that was only 30 AMP with Basement air(2compressors) and a 5.5K generator. It was setup in such a way that 30 amp was plenty during the hottest of days with the AC going. Insulation mad a big difference and how they routed the air ducts throughout. My 5th wheel only had one AC and a 4k generator and would keep the place at 70 in the middle of July in South Carolina. Oh yeah I was running on 15amp service because I plugged into someone house. Didn't have to run the generator. Again it's how it built.
My current setup is 50 amp with 5.5k generator but last summer I was in a park where I only had 30 amp service and had no issue running both AC's and keeping it cool.
Are you getting the theme here, it all depends on the manufacture and how they set it up just for these situations. Winnebago does a good job with their power management system which will load shed to keep the important things going, AC. It's all in how it's built.
50 amp is better but you better be prepared for less, because it gets hot out there when the electricity goes out.

1 15k AC in a 30 footer may work just fine, some have an option to install a second 11.5k or 13k in the bedroom. You might need it you might not.
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Old 04-08-2014, 07:57 PM   #6
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IMHO Get two AC's. It can't be that much more expensive and you can always bump the thermostat up if you are too cold, but you can't bump it down if it's already set at 60 and you're still hot.
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Old 04-08-2014, 08:02 PM   #7
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Get two a/c units and enough generator to run them both. One A/C can work in a 31' RV in the south in the summer can work, provided you have good shade.

Ken
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Old 04-08-2014, 08:07 PM   #8
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As long as you don't plan on visiting Florida July thru September, you will be fine with 1 A/C unit. Personally I think having 2 is a good idea no matter where you travel. Redundency is a good thing if your on vacation and one quits.
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