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Old 07-09-2014, 12:13 PM   #1
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Poll: 2nd A/C ducted or nonducted

I have a 31ft Puma TT, 50 amp service and is "2nd AC ready"
I'm gonna have another 15k BTU installed in the front bedroom. To everyone with dual AC units, given the option, would you go with ducted (tied into existing AC) or non ducted?
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Old 07-09-2014, 09:17 PM   #2
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Sadly I cant speak on having done so but, IF it were me id go non ducted. Ur current one probably does a good job for the living quarters but not the bedroom. As is in my fifth wheel. Now, if I had the $$ to spend on a second ac unit id want it JUST for the bedroom. That way at night I could shut the living area off and just run the bedroom. And vice versa during the day. Now, im just a poor kid with a really old fifth wheel so my expertise isnt much to go off of. Just a preference. Good luck and keep us posted!
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Old 07-14-2014, 06:00 PM   #3
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My 31 ft. Cougar has a 15000 BTU Ducted in Living room .
We had a non-ducted 13500 added to bedroom .
On 95 + days we run both AC'S (I do a lot of night fishing & sleep during the day .
At night if we have no guest staying with us we just use the bedroom AC .
It will freeze you butt off closing off the bedroom
I Have read horror stories about tying in to the same duct work on both AC'S .
If it were me I would go with non ducted for the bedroom
But that's just me .
Whatever decision you make I'm sure you'll be fine
Happy Camping
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Old 07-14-2014, 06:11 PM   #4
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I have a coach but it's probably relevant anyway ... I replaced my old ducted bedroom unit (failed) with a new non-ducted unit. It is quite a bit more efficient (colder) but it is louder.
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Old 07-14-2014, 06:18 PM   #5
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I believe the ducted units are less efficient - they move cold air through a warm "roof" area. Definitely non-ducted.
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Old 07-15-2014, 08:00 PM   #6
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Thanks for all the replies! I got a new Dometic 13.5k btu non-ducted unit installed today! Seems to run pretty quiet. Next trip will be in 2 weeks so will def be able to try it out. We will be camping at a place zero shade in south louisiana (true test!)
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Old 07-16-2014, 08:22 AM   #7
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Usually you can not duct the front unit, because that has to be done from the factory, for anyone else wondering.
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Old 07-18-2014, 05:03 AM   #8
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In my case, I called the dealership and they said it would have to be non-ducted. Just for laughs I called the manufacturer service 800 number and was told that it in deed could be ducted that they run the main duct all the way to the opening on all models. (Palomino Puma). Curiosity got me so I pulled the vent cover (4 screws from the inside) and looked myself. Sure enough, ductwork runs right next to opening. Called dealership back and the girl said "ok, maybe we can".
So, reason I elected to go non-ducted was because there wasn't a thermostat wire pre-ran and also just seemed that being a second unit it would be just fine assisting my main unit on those hot summer days without being ducted.
Just my thoughts anyways...
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Old 07-18-2014, 05:51 AM   #9
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Surprising the duct ran to the opening, usually that is not the case.
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