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Old 05-18-2012, 06:53 PM   #1
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new air conditioneer

so last season we had problems with one of our 2 dometic roof top 13,500 BTU units.

As I prepare for this season I am thinking about just replacing it with a new one. The question is should I go with Dometic or Coleman?

should I stick with the 13,500 or would it make sense to go with the 15,000 btu?

This is going on a 34' georgie Boy.

any suggestions?
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Old 05-18-2012, 11:14 PM   #2
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Welcome to iRv2.

I prefer the Coleman units over the Dometic. Dometic units from 20 or 30 years ago were great units, but not any more. Don;t get one of the chines Advant units...they are poor copies of a Dometic.

The Coleman will be a better unit.

Ken
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Old 05-19-2012, 07:39 AM   #3
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do you think it is worthwhile to go up to the 15K size?
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Old 05-19-2012, 07:57 AM   #4
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Our rig has 2 Dometic DuoTherm ducted A/Cs - a 15K BTU main and a 13.5K BTU front. The only "problem" we've had with our Dometics in almost 8 years is that they are sensitive to input voltage - anything below 108 VAC and the compressor won't start (which, frankly, is really a good thing). The Colemans we've had on our previous 2 5th wheels never gave any problems, either. The Colemans were more like stone axes - throw anything at them and they just keep on running. I guess to me it's a toss-up.

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Old 05-19-2012, 08:24 AM   #5
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In Texas, it is hard t have too much A/C in an RV. If you are happy with the cooling of the 13.5, get another. If you want more cooling, get a 15 K unit.

Ken
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Old 05-19-2012, 08:55 AM   #6
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Are you planning on doing the switch yourself or having someone else do it. Having just done the same thing myself, I can say without a doubt that the installation of the Coleman is much easier than the Dometic. As far as performance, I would say they are a draw, since they both cool.
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Old 05-19-2012, 11:31 AM   #7
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It's my understanding that when changing from one brand to another more is involved than just replacing the roof top unit, thus more expense. A couple of years ago we had a Coleman unit shoot craps and when I asked about going to a Dometic was advised that it would involve changing the stat, more wiring, etc, etc. I ended up doing another Coleman and went from a 13.5 unit to a 15. To me the increase was noticeable as it would by itself usually cool/heat the entire coach.
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