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Old 08-19-2012, 10:29 AM   #1
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Do I need a 2nd AC unit?

Well, we just got home with our new tow vehicle and now we're excited to make our purchase. We are specifically in search of an EverLite 35REW-DS in "Graphite". We will be full timing starting in October, and will plan to travel the entire country for at least a year. The only questions unanswered is: do we need the 50amp service with 2nd AC unit? I've heard these coaches are manufactured exceptionally well with great insulation, but knowing we live in SC and TX, it will have to stand up to 100+ degree days. Will one 15K AC cut it?

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Old 08-19-2012, 11:30 AM   #2
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If the cost isn't prohibitive I would vote yes.

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Old 08-19-2012, 11:46 AM   #3
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If you are ever in Oklahoma or Texas or most of the rest of the southwest in summer a second ac is absolutely mandatory. You will not be happy with only one ac in that size of a unit. We have had rvs since 1979 and none of them including our present coach are insulated well enough to get by on one ac. With them being open on all sides, including bottom there is just too many ways for heat to get in. All just my experience and opinion.
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Old 08-19-2012, 11:58 AM   #4
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Welcome to iRV2. In Texas in the Summer you will need two A/c units unless you are in a totally shaded site. In full sun, a 35' 5er will still have problems with two units.

You should also look at window awnings or solar screens for the windows.

For two A/C units, you should go with 50 amp service to prevent having load problems when you want to run the microwave , coffee maker hair drier, etc. and still keep cool.

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Old 08-19-2012, 12:03 PM   #5
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The second unit goes in the bedroom and the passage to it is usually small. Also it's up where heat rises. Even if it were a 30 AMP service and you could only run one at a time I'd get the second one installed at the factory. If you can't see your way clear to factory installed, make sure the 5ver is at least prepped for the second one. At some point you will want it.

Being ducted will help but the air flow that far away from the single unit will be limited.

Last year my friend and I installed a second A/C in his big fiver after he got some not so gentle nudging from his wife.


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Old 08-19-2012, 12:08 PM   #6
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Hello and
At 100+ you'll need every bit of power and A/C capacity that you can get. Dual pane windows, roll down shades or sunscreens, fridge fans for the vent area, RV fridges need help over 90 too. In direct sun the exterior color of your RV can work against you to; as far as keeping your cool.
A couple of posts on that topic.
Hope you get the RV your looking for.
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Old 08-19-2012, 12:13 PM   #7
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Wow, thank yall so much! That was a super fast response and EXACTLY what we needed to learn. They do offer 50amp service with 2nd AC but we can't find one on the lot. Looks like we'll have to build one, but with a 6-8 week turn around, we'll be homeless on Oct 1st! Extended Stay hotel, here we come! Thanks again!
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Old 08-19-2012, 12:21 PM   #8
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Originally Posted by jaceface369
The only questions unanswered is: do we need the 50amp service with 2nd AC unit?
Will one 15K AC cut it?
Another vote for 50 amp service and TWO AC units.

Here's another reason for TWO AC units...IF one unit ever fails, you won't be living in an oven until you get it repaired/replaced. Redundancy is a good thing!

Take care,
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Old 08-19-2012, 12:36 PM   #9
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A pilot would say that! Great point I had not considered. Thank you, sir.

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