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Old 03-21-2013, 06:54 PM   #1
michol02
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Replacement air conditioner choices

My 15k Dometic AC isn't cooling very well lately. I did all the "fixes". Cleaned filter, checked for air leaks, cleaned coil inside and outside, not freezing up. It has been in the lower 70s, so it should be doing a little better. I thought of having freon checked, but read that most newer rv units don't have check port, and it would be more cost effective to replace unit rather than have a port installed. I also ran it at 104 volts at a park with bad power a while back. With that said, if I have to replace it, I'm undecided on what to go with. All the major brands claim to be more efficient and better than the others. Any input would be appreciated.
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Old 03-22-2013, 09:17 AM   #2
mikell
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Get the one that will plug right in and save yourself alot of time and headache. I replace one in my old trailer the same time my neighbor did. He got a deal I bought the direct replacement for $40 more. Put them both in the backhoe bucket to lift them to the roof. Mine was cooling within an hour his took 2 more weekends. Just my .02
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Old 03-22-2013, 12:15 PM   #3
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Did you buy a extended warranty for the RV? On my last TT I had a warranty on it it would not blow cold enough and they replaced the whole unit for the $100 detectable.All I did was call the repairman told him the problem he ask me for the policy # and the numbers on the unit 3 day latter he called to set up a appointment to replace it. I have found on a RV the cost of the policy normally pays for itself on a older RV.5 years of owing it the policy cost $1,800 the total for repairs was $2,460 (AC, Refrigerator,Hot Water Heater,1Axel)
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Old 03-22-2013, 05:20 PM   #4
fla-gypsy
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On the three RV's I have owned they all had Coleman A/C and I have never had to repair one. That is my anecdotal recommendation, granted not very scientific. I may have just been lucky!
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Old 04-30-2013, 09:28 PM   #5
michol02
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I replaced the AC yesterday with a Coleman Mach 8. Wow, what a difference. Blows harder and colder than old unit ever did! I'm taking the old unit to Holiday World, where I purchased the trailer(AC still under warrantee ). I have a 1990s 7500 btu AC as a second unit on the trailer that I will swap out with the new replacement. Woooo them boogers weren't easy for a 45 year old fat man to lug up and down that step ladder.
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Old 05-03-2013, 10:23 PM   #6
michol02
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Bench test at Holiday World revealed that the AC is working properly. Problem is probably dirty coil. I told him that I cleaned the coil already. I took a closer look at it and sure enough, it was dirty down inside the coil. My attempts to clean it with a vacuum with brush attachment had made the surface look good, but I had just pushed the dust and crud further into the coil. I couldn't see this while it was on the camper, but out in the sun with the cover off, it was obvious. Hard lesson learned. I guess I'll clean it properly(with coil cleaner) and lug that beast back up and swap it out with the 7500 btu unit.
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