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Old 12-17-2006, 03:10 PM   #29
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Posts: 8,812
Originally Posted by Pecos Pete
From what I know, two A/C's means that the trailer becomes a 50 a unit. It would be nice if someone could come up with a controller that would allow two A/C's o 30 amps - only allow one unti to run at a time. Maybe I should be an engineer??!
hi pete

this can be done and is...

contact david tidmore at the weatherford tx dealership. he is the manager for the a/s franchise i think.

they've done some dual a/s retro fits using 2 wiring schemes...a 30amp and a 20 amp...

which is basically what 50 is anyway...

it just costs more to do it after the fact and to use both units requires 2 cords to the i understand it.

IF you order 2 ac with the build, airstream only builds them with the 50amp internals...

and a 50 amp, 4 prong power port...

you CAN order 50 amp wiring, even with just one a/c, for a few 100$

and this means the unit will have wiring with higher capacity built in and 'prewiring' for the 2nd unit.

fr8tshaker (in this thread) did this and seems happy about it.

again i've been fine with one ac in a 34...

but i've only tested it to 106.5 degrees outside, wihout shade.

the rear fantasic fan/vent is lost when a 2nd a/c is added...

i have friends with a 34/slide that have 2 a/cs and

they like turning on just the rear unit...because the living area is quieter

2 a/c running together means each will cycle on less, perhap that prolongs unit life...

in long term rv rental spots, electricity is usually a metered utility...

while the insulation between the ext/int alum skins is the same r value for all models...

others have noted classics seem more 'comfortable' inside...

blinds covered with curtains, vinyl, foam, mouse fur and wood may all contribute to that feeling...

sort of like the comfort difference between 'tuck n roll' vs being inside a beer can...

wheel intereted here has had 2 safaris and 2 classics...
so she is neck n neck with you for most new a/s in a 2 year span...
and she has noted from first hand experience owning these
a difference in the comfort or 'apparent insulation' inside....

good luck with your order process, it is so much fun doing this...


all of the true things that i am about to tell you are shameless lies. l.b.j.

we are here on earth to fart around. don't let anybody tell you any different. k.v.
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Old 12-17-2006, 05:53 PM   #30
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2007 34' Classic S/O
Kalamazoo , Michigan
Join Date: Jun 2004
Posts: 161
Two ACs in a 34'?

We originally ordered our 2007 34 with one AC. We wanted to try the rear Fantastic fan and if it didn't provide sufficient ventilation, we would add the second AC later. The reason we were on the fence is that the AC on our current unit at the time, a 30' Safari, struggled to keep the unit cool at temps above 90. I posted this question on the forum and a fellow airstremer from Texas sent me a private message with adamant advice to change my order immediately.

I am certainly glad we did as we plan to visit home in Louisiana at times and this will necessitate summer trips (think August with temps hovering at 100 with a heat index of 110) and we had the advantage of the 50 amp upgrade.

If I was still on the fence regarding the second AC, I would at least get the 50 amp upgrade so that it can be easily added (as others have pointed out).

Have fun and post pictures when you get the new unit.....


Air #5970
2001 F250 CC 7.3 PSD 4x4 ("Bubba")
2007 34' SO Classic ("Betty Lou II")
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Old 12-17-2006, 06:53 PM   #31
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2001 34' Limited
The State of , Ohio
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Originally Posted by Pecos Pete
From what I know, two A/C's means that the trailer becomes a 50 a unit. It would be nice if someone could come up with a controller that would allow two A/C's o 30 amps - only allow one unti to run at a time. Maybe I should be an engineer??!
My buddy's Winnebago has this... two high-efficiency air-conditioners running simultaneously off 30A. The control panel keeps the compressors from starting at the same time. I don't know why Airstream can't offer it.

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