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Old 05-29-2011, 03:31 PM   #15
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Do I need 13000 BTU or would 8,000 BTU be big enough?
In my 25' Tradewind I put in a 13,000 roof unit. I wish I went to 15,000. A consideration for you might be the amperage the units draw and what kind of camping you do. If you use a mid size generator you might have problems powering a 13,000 unit.
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Old 05-29-2011, 05:21 PM   #16
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This is how I did mine, the hot air exhaust go out behind the license plate, works perfectly.

http://www.airforums.com/forums/f36/...-38289-38.html
http://www.airforums.com/forums/f36/...-38289-36.html
http://www.airforums.com/forums/f36/...-38289-54.html

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Old 05-29-2011, 05:56 PM   #17
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Go with a temp window unit

I would suggest a temp window unit. Here's a link to how I built a system that will keep your trailer cool, won't break the bank and can be installed in less than 15 minutes.

http://www.airforums.com/forums/f427...t-41052-2.html

Forgot to add "one" 6K unit keeps my 1966 22' Safari cool no problem
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Old 05-29-2011, 06:59 PM   #18
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Exhaust fumes not a problem

Air conditioners don't draw air from the outside on the cold side of the unit. They recirculate the air in the trailer. There are 2 heat exchangers (an evaporator and a condenser), one on the cold side for the inside air and one on the hot side for dissipating the heat. The hot side draws air from the outside, pushes or pulls it across the heat exchanger and returns it to the outside. Your referigerator works the same way in your house or trailer for that matter.
It is more efficient if the A/C unit is mounted higher up to draw in the hot air at the ceiling level or at least it should draw air from higher up.
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Old 05-29-2011, 07:54 PM   #19
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Air conditioners don't draw air from the outside on the cold side of the unit. They recirculate the air in the trailer.
Window units do.. and that is what was being proposed

There is a fresh air divider on most window units that allow for the addition of fresh outside air into the cold discharge
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Old 06-04-2011, 08:42 AM   #20
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I've been out of pocket with grandma duties lately but finally got a chance to look at your thread. Did you box in a portable unit and vent it through the floor? Or there was mention of a "casement" unit - not sure what that is.

The only time we need an a/c is when we're camping in the South - which isn't very often. I need the cheapest and easiest solution since most of the time we'll be in cool weather.
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Old 06-04-2011, 10:24 AM   #21
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I need the cheapest and easiest solution since most of the time we'll be in cool weather.
There are freestanding, portable swamp cooler type room coolers. In the southwest roof mounted swamp coolers are the rule over AC. They work well in dry heat, not humid conditions.
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Old 06-04-2011, 01:52 PM   #22
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There are some other options like the Dometic Cool Cat Duo Therm or
Danhard Inc Mobile HVAC components and systems
Attached Files
File Type: pdf cool cat unit 20040604082708.pdf (577.7 KB, 38 views)
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Old 06-24-2011, 04:10 PM   #23
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So....what I am gathering here...is....yes a very small window ac would cool a small 13 ft space? If a insulated a cabinet space and did a floor drain tube/pan??? There is no danger in enclosing? If we heat with a teeny tiny ceramic heater...why wouldn't this work? I am thinking of doing the same thing for a little fiberglass vintage camper. I do not want to cut a hole in the fiberglass. There is plenty of space around the perimeter of the little egg on the floor. Forgive me....I haven't gone to all the posted links. Just in a little bit of a hurry. DEFINITELY do not want something hanging out of a window.
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Old 06-24-2011, 04:31 PM   #24
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So....what I am gathering here...is....yes a very small window ac would cool a small 13 ft space? If a insulated a cabinet space and did a floor drain tube/pan??? There is no danger in enclosing? If we heat with a teeny tiny ceramic heater...why wouldn't this work? I am thinking of doing the same thing for a little fiberglass vintage camper. I do not want to cut a hole in the fiberglass. There is plenty of space around the perimeter of the little egg on the floor. Forgive me....I haven't gone to all the posted links. Just in a little bit of a hurry. DEFINITELY do not want something hanging out of a window.
They only have to hang out when in use. Not near as bad as it sounds.
How about paying only $200 for your new window AC with remote control?
Or $50 for a used one on CL?
I mounted mine on a slide-out shelf in the location where my furnace used to live. The furnace cover is mounted onto the shelf, so it looks original from the outside.
Best to you!
Rich the Viking
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Old 06-24-2011, 05:40 PM   #25
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$$$$$

I was in Wal Mart yesterday. They have an 8000 btu portable unit for $200.00 . I would think 8K btu would be enough for a small trailer.
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