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05-01-2013, 06:22 PM
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#1
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Member
Join Date: Feb 2012
Location: Raytown, MO
Posts: 93
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I am going to add a second AC unit to the travel trailer in the next month (as soon as we can get out of winter and into spring in MO! They are calling for snow here on Friday! ). I am looking at Dometic DuoTherm Units. The price difference is around $120.00 bucks so I might be answering my own question, but I am trying to decide between the 13.5 or the 15? I know from the factory on my models that when you add the second AC it is always a 13.5. Is there anything to be concerned about if I go bigger with the 15? I have 50Amp service already.
Note: I have a 39' park model.
Thanks Nick
__________________
2006 Salem 392FKTB PT
Seasonal Camping at Pomme De Terre Lake in MO
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05-01-2013, 06:26 PM
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#2
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Always Learning
Join Date: Nov 2011
Location: Four Corners, FL
Posts: 21,890
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Our second A/C is a 13.5k. It's in the vent in the front master bedroom. While ducted, I've never noticed an appreciable change in the rest of the camper. It's way more than enough to cool the space. (And, it's super loud.)
__________________
Officially a SOB with a 2022 Jayco Precept 36C
Checkout my site for RVing tips, tricks, and info | Was a Fulltime Family for 5 years, now we're part-timing on long trips
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05-01-2013, 06:32 PM
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#3
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Member
Join Date: Feb 2012
Location: Raytown, MO
Posts: 93
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Quote:
Originally Posted by ependydad
Our second A/C is a 13.5k. It's in the vent in the front master bedroom. While ducted, I've never noticed an appreciable change in the rest of the camper. It's way more than enough to cool the space. (And, it's super loud.)
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Thanks for the heads up on the noise...I think I would rather deal with the noise than sweeting! Then again we had a record heat wave last year.
__________________
2006 Salem 392FKTB PT
Seasonal Camping at Pomme De Terre Lake in MO
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05-01-2013, 07:27 PM
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#4
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Always Learning
Join Date: Nov 2011
Location: Four Corners, FL
Posts: 21,890
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Oh, I'd get it again. :-) I need to be cool to sleep!
__________________
Officially a SOB with a 2022 Jayco Precept 36C
Checkout my site for RVing tips, tricks, and info | Was a Fulltime Family for 5 years, now we're part-timing on long trips
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05-01-2013, 07:33 PM
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#5
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Senior Member
Join Date: Dec 2011
Posts: 3,570
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Quote:
Originally Posted by pwrboatfan
I am going to add a second AC unit to the travel trailer in the next month (as soon as we can get out of winter and into spring in MO! They are calling for snow here on Friday! ). I am looking at Dometic DuoTherm Units. The price difference is around $120.00 bucks so I might be answering my own question, but I am trying to decide between the 13.5 or the 15? I know from the factory on my models that when you add the second AC it is always a 13.5. Is there anything to be concerned about if I go bigger with the 15? I have 50Amp service already.
Note: I have a 39' park model.
Thanks Nick
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I'd go for it, better idling when caught up rather than always catching up!
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05-01-2013, 08:10 PM
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#6
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Senior Member
Join Date: Jan 2013
Location: Greensboro, NC
Posts: 775
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Quote:
Originally Posted by pwrboatfan
I am going to add a second AC unit to the travel trailer in the next month (as soon as we can get out of winter and into spring in MO! They are calling for snow here on Friday! ). I am looking at Dometic DuoTherm Units. The price difference is around $120.00 bucks so I might be answering my own question, but I am trying to decide between the 13.5 or the 15? I know from the factory on my models that when you add the second AC it is always a 13.5. Is there anything to be concerned about if I go bigger with the 15? I have 50Amp service already.
Note: I have a 39' park model.
Thanks Nick
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Whichever one you select (and I'm not sure what's available) it would be a good idea to get one with built-in heat pump. We have a small class C which has the 15K with build-in heat pump and it's the best thing since sliced bread!
__________________
Ed (N4RWU) & Becky Taylor
Mistie (Walks 4-down)
Greensboro, NC
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05-01-2013, 08:20 PM
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#7
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Steve & Phyllis
Join Date: Nov 2012
Location: Simpsonville SC
Posts: 207
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You can always idle a bigger one down if it gets too cold but when you are laying there sweating as the small one almost does it the extra $125 looks like it was a good idea.
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05-02-2013, 11:25 AM
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#8
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Senior Member
Join Date: Apr 2011
Location: Splendora, Texas
Posts: 1,314
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I wonder why you only had one for a 39 ft RV? I have a 32 ft fiver and I got two, 15 in the living area and a 13.5 in the bedroom. I live in the gulf coast of SE Texas and it stays hot and humid for 7 months of the year. The 13.5 in the bedroom does make a lot of noise. Good Luck
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05-02-2013, 11:49 AM
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#9
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Member
Join Date: Feb 2012
Location: Raytown, MO
Posts: 93
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Quote:
Originally Posted by whj77372
I wonder why you only had one for a 39 ft RV? I have a 32 ft fiver and I got two, 15 in the living area and a 13.5 in the bedroom. I live in the gulf coast of SE Texas and it stays hot and humid for 7 months of the year. The 13.5 in the bedroom does make a lot of noise. Good Luck
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Yeah, I agree, it should be standard on a park model this size or at least wired for it. I did check the roof vent, it is braced for one, but no wiring!
__________________
2006 Salem 392FKTB PT
Seasonal Camping at Pomme De Terre Lake in MO
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