AC curiosity - Page 2 - Fiberglass RV


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Old 08-18-2012, 05:15 PM   #15
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Name: Dylan
Trailer: 2001 Scamp 13'
British Columbia
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Quote:
Originally Posted by Pam Garlow View Post
George, if its not too much trouble, can you explain further? I assume the deck holes are for a boat and can be purchased through marine supply company? Is there any type of ducting or air baffles inside the seat cubby area to divide intake/outake air? Does it make the seat warm or anything? This seems too ingeniously simple..... I love this idea
I'm pretty sure there is ducting/baffles, the cool air goes in the sides and top of window units and out the back. So something would have to isolate the back of the unit from the sides, top and the back, with ducts going to each.
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Old 08-18-2012, 05:24 PM   #16
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Name: Susanne
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Smile like idea of mounting unit in cubby

Do you have a picture of the cubby top down showing how the unit sits in it? do you have a duct to the intake and outflow or is it a free for all? I have a unit just like yours and was considering mounting it out the back window. The window is just wide enough. Like your idea better though.
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Old 08-18-2012, 05:42 PM   #17
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I can post some pics of how I isolate mine in my closet install. Once I actually do it! But I have a plan, and hope to have it done my morning (working nights). The cubby install would be similar in theory I'm sure. You will get little to no cooling if you have a "free for all", the hot air has to exit the trailer, if you just stick the AC unit in a box with no cool air from outside and most importantly not venting the hot outside, the AC unit will actually make more heat than cold inside the trailer. Heat exchangers (an AC unit is basically a heat exchanger) have to vent the heat out of the system, it's a design fundamental.
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Old 08-18-2012, 07:50 PM   #18
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Name: Eric
Trailer: Scamp 13
Michigan
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Dylan,

Check out George's album on his AC install here. You were correct that he did some work inside to get the hot air out one port and cold in the other.

His install has intrigued me. I have a scamp 13 but don't have the depth under the side of the front bench like he had so I'm thinking of using under the center of the front bench and venting entirely under the trailer with fans to ensure enough air movement to get the hot air out.
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Old 08-18-2012, 08:37 PM   #19
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Name: George
Trailer: 85 Uhaul CT 13
North Carolina
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Sorry all for taking so long to get back to you. Yes, Pam it was almost too easy. Thanks Eric to pointing all to my albums. Susanne I never liked the idea of a window install because of possible leaks; nor is the Uhaul closet wide enough to hold unit therefore I chose said location. Dylan the material was bought at Hancocks off of the clearance display, the wife said with piping,thread,zippers and all about $100; of course she supplied the free labor. For the install I used 1" foam board and metal duct tape to form my hot air return to the outside and cold air vent is open to enter all intake vent on unit. I have experienced some water being blown in openings during heavy rains so I'm working on a hood to install after removing lids.
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Old 08-19-2012, 09:22 PM   #20
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Name: Jane and Greg
Trailer: 1985 Uhaul CT
South Carolina
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Quote:
Originally Posted by George Lauver
Another option; I circulate with a small Fan and it stays nice and comfy!
Your post made my day, really looking forward to meeting you in oct and seeing your air conditioning mod...
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Old 06-17-2015, 07:33 PM   #21
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Name: Gary
Trailer: 89 13' Scamp
California
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What are those outside things with covers called? Thanks, Gary
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Old 06-17-2015, 07:44 PM   #22
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Name: Eric
Trailer: Scamp 13
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What are those outside things with covers called? Thanks, Gary
deck plates. Search amazon for "screw out deck plate" for examples. However I don't know exactly what Jeff used. YMMV.
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Old 06-19-2015, 12:54 AM   #23
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Name: Bill
Trailer: Had Scamp 13', want another small trailer.
Oklahoma
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Originally Posted by George Lauver View Post
For the install I used 1" foam board and metal duct tape to form my hot air return to the outside and cold air vent is open to enter all intake vent on unit. I have experienced some water being blown in openings during heavy rains so I'm working on a hood to install after removing lids
George, I believe your AC installation is one of the neatest I have ever seen in a small fiberglass trailer.

Do you recall what size of deck plates you used?

It's easy to see that rain water could enter the deck openings in a heavy rain. I'd be interested in knowing what type of hood you are working on. My first thought was to wonder if a PVC plumbing 90-degree ell, pointed down, might work for that purpose? But, might be too heavy.

Thanks for sharing your installation with us,

Bill
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