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Old 10-02-2013, 10:36 AM   #1
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1975 25' Tradewind
Boerne , Texas
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Twin A/C for my 25' TradeWind

Well its time for me to look at cooling and heating my AS. It has the original layout but with the changes I have in mind having a single ac unit makes it difficult to achieve the new layout I have in mind. So the question is how hard would it be to have a two ac system in place of the single unit on there now? What size should I get for both of the units? Any help would be greatly appreciate.
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Old 10-02-2013, 12:17 PM   #2
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I think putting 2 ACs on the roof of a Tradewind might be a bit of a challenge, and of course wouldn't work concurrently on 30A service.

You might consider sticking with the conventional roof AC in its stock location and then putting in a little "wall unit" style AC hidden somewhere in the new floorplan with an outer door that has to be opened to let it operate. It's hard to get enough cooling from that for a whole trailer, but to spot-cool a smaller space while the rest of the trailer is cooled by the roof AC it might work out nicely.

If you really want to throw money at it, you can look at stuff like the Dometic split-system setups for trucks, that offers a lot of flexibility but it ain't free!
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Old 10-02-2013, 12:41 PM   #3
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First of all, why 2 AC units? One is more then sufficient for a 25 ft rig.
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Old 10-02-2013, 12:48 PM   #4
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Quote:
Originally Posted by Safari-Rick View Post
First of all, why 2 AC units? One is more then sufficient for a 25 ft rig.
I have Polar Cub Coleman 9000 btu on my 20 ft AS, it is sufficient, quiet, takes less than 15 amps. about $600 but installation is the problem. The replacement of existing AC takes 2 people and about 2-3 hrs so I would say $300 at least. New installation probably requires 14" square frame in between the roof panels plus the installation and wiring. This may be costly!
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Old 10-02-2013, 01:01 PM   #5
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Camping in Texas in the summer with and old Airstream with one A/C is a hot proposition. My 1977 29 footer could only achieve about a 15 degree differential on a cloudy day and a 10 degree difference if the sun was out. That is fine for sleeping, but plenty hot on a 100+ day.

Camper Clinic on I35 will put in a second unit in the 2010 27FB for $3000. It includes the second 30 amp service on the outside and a cord splitter that lets you plug into a 50 plug, which most Texas RV parks have these days. I think I will just summer in Colorado.
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Old 10-02-2013, 01:04 PM   #6
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1975 25' Tradewind
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follow up

The reason for the twin system (two 9000 units) is because I am re-vamping the interior and the current ac system will not fit into the space I am designing. This is the reason for the two systems.

Would ducting be an option? Would it require more fans to move the air around?
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