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Old 04-12-2011, 03:07 PM   #1
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adwriter73's Avatar
1978 31' Sovereign
Dallas , Texas
Join Date: May 2009
Posts: 352
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Best place (price) to buy new A/C unit?

I want to replace my old Armstrong with a new unit. Local Airstream shop will install it, but they don't sell it. I've been thinking about going with a Duo-Therm Penguin 15,000 BTU w/heat strip (open to other suggestions on that, too). Buy online?

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Old 04-12-2011, 03:17 PM   #2
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2007 31' Classic
Pulaski , Tennessee
Join Date: Jul 2007
Posts: 261
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In our experience Duo-Therm units are reliable. I have the Penguin but with heat pump option. We've had Duo Therm a/c on the previous trailer also. Had it for 10 years with no problems.

Steve & Beth
AIR 22763
07' Classic 31, 11' Dodge 3500 Cummins
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Old 04-12-2011, 03:27 PM   #3
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2008 27' International FB
1964 19' Globetrotter
1955 26' Cruiser Overlander
Austin , Texas
Join Date: Sep 2004
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My opinion is the back ugly large coleman Mach Air models are very efficient, seem to never fail. The Dometics are so so to me. Service and support from Dometic is sub-par, but they have the lions share of the market today.

Too bad Carrier got out of the RV AC business last year. They had a good model that moved the interior discharged air on mechanical luevers that really made a difference in moving the cool air around in our "tubes". You might be able to find one or 2 remaining on a shelf somewhere, but unlikely.

So, you're really left with Coleman or Dometic. I'd probably get the 15K Dometic with the heat pump, or if you don't need that, get the AC only with the heat strip option.
Kevin & Prim Li
Bandit the Siberian Husky (RIP) & "G" the Min-Pin (RIP)
Cosmo the Custom 2008 27FB Intl CCD
Maxwell the 1964 Globe Trotter
Name TBD the 1955 Overlander
WBCCI # 6155
AIR # 6155

2nd love - 2006 28' Safari LS
1st love - 2004 19' CCD Bambi
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Old 04-12-2011, 03:33 PM   #4
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1991 34' Excella
1963 26' Overlander
Central , Mississippi
Join Date: Nov 2006
Posts: 5,002
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I bought mine from PPL Motorhome out of Houston. No issues at all.
Hi Ho Silver RV! Vernon, Sarah, Mac the Border Collie -
A honkin' long 34' named AlumaTherapy
and a 26' '63 Overlander, Dolly
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