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Old 06-12-2013, 06:46 PM   #1
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1965 26' Overlander
Tulsa , Oklahoma
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air conditioner for '65 Overlander

I am about to buy a 65 overlander, wondering if a dometic penguin 13,500 BTU a/c would be enough to coolit? I live in OK,so it gets hot here!

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Old 06-22-2013, 07:02 AM   #2
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1987 32' Excella
Nepean , Ontario
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13,500 BTU may be too big a unit - that's the size in my 32-ft Excella and it cools it down very well. The problem is that if the unit's capacity is too large, it will cool down so rapidly that the humidity will not be removed. My suggestion FWIW would be no greater than 11,000 BTU.

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Old 06-22-2013, 07:48 AM   #3
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Originally Posted by Cochese View Post
I am about to buy a 65 overlander, wondering if a dometic penguin 13,500 BTU a/c would be enough to coolit? I live in OK,so it gets hot here!
The 14,000 in our 29' was NOT big enough. I just installed a 15,000 on our '63 Overlander and so far its been a good choice.
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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Old 06-22-2013, 08:07 AM   #4
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Go with a 15000, Tulsa in the Summer?....Go with a 15000.
"If it can't be reduced, reused, repaired, rebuilt, refurbished, refinished, resold, recycled or composted
then it should be restricted, redesigned or removed from production."
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Old 06-22-2013, 11:21 AM   #5
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air conditioner for 65 overlander

Greetings Cochese!

I have a 13,500 btu Coleman in my Minuet and it handles the 20-foot coach with ease in the very humid conditions of far Southern Illinois and nearby locations. My '64 Overlander has a 15,000 btu Coleman air conditioner, and I wouldn't want anything less in this humid climate.

Good luck with your investigation!


P.S.: If your Overlander has an original Armstrong Bay Breeze air conditioner, you may want to consider seeing if a commercial cooling repair person can repair it as these were very heavy duty units and were made to be easily serviced by someone familiar with commercial cooling units. An RV air conditioning repair person isn't likely to be familiar with the hardware in the Armstrong units. I didn't learn this until too late on my Overlander or it would still have its original Armstrong Bay Breeze.
Kevin D. Allen
WBCCI (Lifetime Member)/VAC/Free Wheelers #6359
AIR #827
1964 Overlander International/1999 GMC K2500 Suburban (7400 VORTEC/4.11 Differentials)
1978 Argosy Minuet 6.0 Metre/1975 Cadillac Eldorado Convertible (8.2 Liter V8/2.70 Final Drive)
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Old 06-22-2013, 12:16 PM   #6
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Yup, in the south there's hardly ever any worry about an a/c cycling too quick (maybe in January ☺). I got a 15K for my 34' and I'm glad I did.

"If you come to a fork in the road, take it."
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