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Old 08-05-2015, 10:13 PM   #15
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Originally Posted by Steve Ownby View Post
In a word, yes you do. Our best friends have a Vista 27N with one air. That is their one disappointment in the coach. In 90 degree weather it can't keep up.


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Pretty disappointing Winnebago doesn't offer a 2nd AC option on the Vista Line only Vista LX. Looking at the new Vista 31be and the only thing I don't like is the single AC , meanwhile the 30T it's an option for same size coach.
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Old 08-05-2015, 10:14 PM   #16
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More is better--15 better that 13.5

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Old 08-05-2015, 10:56 PM   #17
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Get 2 AC units. Don't even think about 1. You will need them both.
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Old 08-06-2015, 04:22 PM   #18
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I live in Texas and it is very hot here. We have not purchased the unit yet and I am wondering if I need to search for a unit that has 2 ACs.

Thanks in advance for your input,
seaturtle
Even if one will cool a lot of the smaller coaches with just one or 0 slides, you won't have a backup, until you can either fix or replace it. Also, you may like running only one, on the opposite side of the coach for TV watching and sleeping.
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Old 08-07-2015, 07:05 AM   #19
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Not being too familiar with the make and model of the RV,I guess I have a dumb question...

If a second A/C is installed, is the motor home wire for both A/C's to run at the same time? In addition, can the generator support running both A/C's?

I see the 30T comes with a 30A shore power cord and only a 4KW Generator. If you can't run both A/C's at the same time... how you gonna get cooled down during those Texas summers?

I guess this is a question for the dealership.
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Old 08-07-2015, 07:49 AM   #20
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Your A/C will be sized for your unit of choice by the manufacturer.
It's all decided by the size and cubic feet to cool. Your service, 30 or 50 amp and generator size will be decided by the power requirements to include A/C and other high amperage appliances.
If your unit is a 30' or under, it will likely come with a 15K ducted A/C unit. You have to confirm that the service is a 50 amp in order to accommodate the addition of another A/C unit should you decide to do it after your purchase. Confirm also that its pre-wired for an added one as well. Also confirm that your generator is sized for the upgrade of an additional A/C. If your smaller unit only comes with one A/C, the generator is likely going to be about a 4,000kw. This won't operate 2 A/C units and appliances. Your minimum for a 15k and a 13.5k will likely be a 5500kw or 6500kw generator and 50amp service. This is typically the set up for 34'-36' unit. Two 15k A/C units and appliances will likely need the 7500kw generator and is typical for 40'.

As mentioned, your dealer will advise what your unit is sized for as well as what can be added and its requirements to your as bought unit.
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Old 08-07-2015, 09:20 AM   #21
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Quote:
Originally Posted by Gearhead383 View Post
Not being too familiar with the make and model of the RV,I guess I have a dumb question...

If a second A/C is installed, is the motor home wire for both A/C's to run at the same time? In addition, can the generator support running both A/C's?

I see the 30T comes with a 30A shore power cord and only a 4KW Generator. If you can't run both A/C's at the same time... how you gonna get cooled down during those Texas summers?

I guess this is a question for the dealership.
Vista LX | Specifications | Winnebago RVs

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All-Weather Upgrade Package (30T) 5,500-watt Cummins Onan® Marquis Gold™ gas generator, 2nd high efficiency A/C with heat pumps, 50-amp. power cord, automatic changeover switch, shoreline/generator
Again I wish all the smaller Vista models had this option not just the 30T, odd choice by Winnebago.
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Old 08-07-2015, 11:21 AM   #22
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Better to have it and not need it..
than need it and not have it.

yes, we have 2 on our 30 ft.
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Old 08-07-2015, 11:29 AM   #23
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Will you have 50 amp power available in the places you want to camp? Without it, you'll likely be limitted to only running one of them.

if you'll often have 50 amp service, then i'd say yes, get it. In the heat of the day here in central texas, without direct shade over the roof, a single AC will struggle to keep it under 80* until the sun goes down.

A single AC can get it plenty cool at night, it's the 2-9 PM hours that will be uncomfortable.
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Old 08-07-2015, 05:20 PM   #24
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My first coach was a Minnie Winnie 29'. It had one 15,000 btu airconditioner. When the temperature got above 85° there was no cooling it down. Winnebago builds a great coach but their insulation R values aren't the greatest. If you like the 30T maybe you could order it with the 50 amp service, 5500 Onan genset and twin airs on the roof it would be well worth the money. I grew up in Texas, my whole family still lives there, and you'll need the extra cooling where ever you camp in the state during the summer. I'm on my 3rd rig and this one and the last had 2 A/Cs. Wouldn't own another rig without 2. I'd put a 3rd one on my current one if I could.
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Old 08-07-2015, 08:37 PM   #25
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We had a 2011 vista 26 with one AC, sucked. Upgraded to a 34' DP with two AC s and love it.

One reason for the single AC is not just size, but cost.
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Old 08-07-2015, 10:33 PM   #26
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It is pretty much unanimous, 2 AC's
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Old 08-07-2015, 10:57 PM   #27
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The "30T comes with a 30A shore power cord and only a 4KW Generator. If you can't run both A/C's at the same time... how you gonna get cooled down during those Texas summers?"

The best way to solve this problem is to convert the unit to 240VAC, 50 AMP, I have done this myself to several units. The cost should be under $500 if you do it yourself. The major cost is for a 50amp transfer switch. This conversion will not help with the 4K genny , but will allow you to run both AC units at campgrounds with 50AMP Service.
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Old 08-08-2015, 01:10 AM   #28
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My Vista 30T with the 2 AC option, included a 5500 watt generator and 50 amp transfer switch. The power panel shows that each AC unit pulls about 12 amps each (24 amps total). The 5500 watt generator easily runs both AC's, as its' output is about 46 amps.
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