24v and 12v AirConditioners for your next Modification - Page 2 - Fiberglass RV

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Old 07-26-2008, 06:33 PM   #15
Trailer: Compact Jr (Super modified)
Posts: 33
Also take a look at DCAirco About $3500 (last time I read) for the 4400-4700BTU model looks just like a standard RV AC model. That's what I've been planning on using on my solar powered trailer.

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Old 07-26-2008, 06:41 PM   #16
Trailer: Compact Jr (Super modified)
Posts: 33
For your next AC upgrade!!

Two new AC systems I've come across. The best is 24v and used in military vehicles. 12000btu; too big for some of ya. Made by Webasco in Europe. Solid company!. Not sure how expensive a new RV AC is to compare the two. Its not your little window air unit in quality or price!! Contact Scott about prices make sure you tell him I sent ya. ASK ABOUT WEIGHT. I didnt think about that.

Scott's, Expedition Imports web site AC unit may not be on their site yet. Webasco is big name but Scott just became a vendor for them."

"12v AC low amp draw unit. Apparently the crompressor(s) in some way works in steps so if you dont need the full compressor power..... it will step down thus drawing less power."
Anyone find out more info on these units? Pictures, price, weight, installation? Sounds like they are using the same technology as the DCAirco units I mentioned, but maybe in a different package? I like the DCAirco units because they look and install exactly like standard RV units, so don't eat up any interior space in the trailer. The 4400BTU DCAirco will be all I need for my trailer, even in 135 degree F weather, but I wouldn't mind having a slightly larger unit in the same style package.

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Old 07-27-2008, 08:29 AM   #17
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Anyone find out more info on these units?...
Scott will email you a PDF on the Webasco 24v system that has all that info. I tried to attach it here but its too big.

The other units, their websites seem to all have the information your wanting. Just go look.
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Old 07-27-2008, 09:38 AM   #18
Trailer: Compact Jr (Super modified)
Posts: 33
...Not sure how expensive a new RV AC is to compare the two...
They seem to run $500-$800, plus the $300-$500 cost of a big enough inverter. The DC units are several times this cost, but also much more efficient; in the 1/3 less power usage range. Add another 15-20%% or so for inverter loses (if running off batteries), and we are about 50% savings in power. Then there is the savings because the DC models use the rotary variable speed compressor technology, saving the surge loads (and inefficiency) at startup. The rotary compressors also have the advantage that an oversized AC unit wouldn't be constantly cycling on and off, making for more consistent temperature in the RV, and much better humidity control.

It's a lot extra, but they do come with some real-world advantages.

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