Using a mini split a/c heat pump on your unit - Page 4 - Fiberglass RV

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Old 05-28-2013, 01:06 PM   #43
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Name: Shawn
Trailer: Boler
Posts: 368
Originally Posted by cpaharley2008 View Post
What is the minimum rear clearance on the outside unit. I was told 12" on my split unit in order to circulate the air efficiently. I'm curious if that is the same with yours? Also how much more weight are you putting on the tongue compared to the propane tank?
It does say 12 inches but if you get the brackets to install on a wall you wont have 12 inches. So WTF? Another egg head on this site showed me pics of many units installed next to walls and on brackets that don't have the 12 inch rule. Besides my a/c buddy so don't worry about that too much. Mine unit is maybe 4 to 5 inches away from the egg and it says it is 80 lbs (about) Where better to put extra weight than on the tongue! The inside unit is under 20 lbs. And I was so shocked how quite they are. I had to get the neighbors to check it out. One of my neighbors is going to buy one for his garage (man cave) now. It was so easy to hook up even a egg head can do it.
Would I do it again? Hell ya, even the wife is happy. Better than a window unit and a roof top. Very very little noise. Less than a table top fan. I found out after the fact that you can turn on the vents to swing up and down as it blows cold air. I am just shocked no one else has done this. I did buy it at only 349.00 and it came with everything.
I will be putting a propane tank in front of the unit (just one). I am looking for a single tank bracket now. But it isnt on the top of my list to do. We are off to buy the Traffic Master Allure Ultra wood flooring next. It is 100 percent water poof and looks like wood. Then curtains then cushions, so if you can point me in the right way on that......

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Old 08-27-2014, 12:58 AM   #44
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Name: Jim
Trailer: in the market
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Using a mini split a/c heat pump on your unit

Now that you have installed the mini-split, it's been over a year, how has it worked out? I'm working on a 16' trailer to be used for emergency communications and am considering a 13,500 btu roof type heat pump. I've installed inverter type mini-splits before and have considered it too. The spacing between your condenser and front wall concerns me, if you don't have a huge load, may not make any difference. Were you not able to find an inverter unit that ran on 120 VAC?


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Old 09-02-2014, 04:59 PM   #45
Name: JD
Trailer: Fiber Stream
Posts: 32
AC Alternatives

Just spent a season using this locally produced AC system. Works great, no trailer modifications, and cheap compared to other approaches. This weekend (Labor Day 2014) was in the 90's where we were camping and it ran way too cold on the lowest setting. Weighs about 60 lbs and will mount on the hitch with a optional rack. When hitch mounted you can feed cold air in the front window and exhaust from the side or install a thru-wall 6" fitting low near the floor. We're really pleased- and we use it hat home in a pinch when the AC failed in our family room!
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Old 09-02-2014, 10:15 PM   #46
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Trailer: Scamp
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JD1994, what's the make & model of your AC unit?

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Old 09-20-2014, 03:43 AM   #47
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Name: Mike
Trailer: Scamp 13'
Posts: 110
5000 btu fits nice in the front window when needed. When not needed stores nice under front seat. Cost is $119 at Sears and Lowes....
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Old 01-09-2017, 06:05 PM   #48
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Name: Billy Sharpstick
Trailer: Burro - '99 wide body 14
Posts: 113
Update? I just got a Burro 14 that needs an AC(I live in Florida and like to sleep late). Looking for a 9k mini split. The site is gone. Amazon has a Pioneer heat pump model for $700.
After reading about installation, I have almost decided to just take it in to an RV shop and have them do it right, but if the lines don't need evacuation, I might do it myself.
Trying to decide on location. The unit would go on the tongue. How is that 4 inches instead of 12 inches working? I'm guessing the propane tank should stay on the tongue too, but might try to move the battery(27) to the rear bumper.
The Burro has no obvious place inside with a flat area big enough. Can it be mounted on the ceiling?
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Old 01-10-2017, 08:05 AM   #49
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Name: JD
Trailer: Scamp 16 Modified (BIGLY)
Posts: 1,095
The lines and the inside , but the lines and inside unit must be evacuated.
A vacuum pump can be purchased reasonably from Harbor freight, but you need to be sure that there are no leaks by having a gauge to read very low necessary numbers and verify leak free.
I used a Harbor freight vac pump and my company had gauges. I have installed two of these units (Comfortaire) the first on the 16' Scamp and the second for a Florida room at my "new" house.
I have found them to work well. The installation is complicated if you have a poor quality lineset with poorly formed flare fitttings like my second system. I had to remake both ends and I might as well have just bought copper lines rather than line sets.
By the way the COmfortaire I used is an inverter unit and runs well from my Harbor Freight 2500 watt inverter generator and would probably work just fine with any of the inverter 2000 watt units as well. There is no starting surge and perhaps 9 amps at full load.
It seems to be very efficient and quiet and provides heat down to a pretty low temp. For backup I have a small ceramic heater

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