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Sprinter RV's & Conversions Talk Common features found in Sprinter RV's and Conversions.


 
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Old 01-11-2019, 05:11 AM   #1
Denny crain
 
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Default Rear a/c

Iíve been reading on this forum for over a year. I finally am close to buying my sprinter . Its going to be a daily driver, but also a weekend camper. I have 2 kids, and want the passenger van with windows. I really want rear AC as I live in Colorado but will travel to Florida during the summers. I feel like rear air is a must but am afraid I will not be able to stand up in van after the conversion. Does anyone have a conversion with rear air? Would you order it if you were ordering a new van?
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Old 01-11-2019, 05:00 PM   #2
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Default Re: Rear a/c

Denny,

I am on my second Sprinter. I had my first since 2007. Both are passenger vans, 170, high roof. I am converting my older model and am removing the rear AC. I just couldn't come up with a way to keep it, and still have room for solar, as well as needed ventilation. It is a bit of a feat to get it out, but i think it is better for the needs in a conversion

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Old 01-12-2019, 01:38 PM   #3
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Default Re: Rear a/c

Quote:
Originally Posted by Ianmoore View Post
... I just couldn't come up with a way to keep [the rear a/c], and still have room for solar, as well as needed ventilation. ...
Several of us have vaulted our panels over the top of our rear a/c units. My husband and I added 300 watts, although we have room to add two more panels if we ever need them.

A few folks have covered their entire roofs with vaulted solar panels. Not only does it give room for everything underneath, but it serves as a de facto "tropical roof" of the style that is often done in places like Africa and the Australian outback, where they install a false roof with an air gap underneath to cut down on heat gain.

The 11,000 BTU Dometic a/c is tucked under the panels, and the Fantastic vent is directly in front of the array:



Somebody else's rig, slightly larger vaulted array, with vent fan further forward than in our model:

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Old 01-11-2019, 05:46 PM   #4
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Default Re: Rear a/c

From my memory of taking mine out, the important components that took up head-room were in the very back of my T1N. The more forward portions were all ducting that could either be eliminated or re-made along the sides of the van, leaving a channel down the middle with headroom. I chose to delete AC to make space both inside and out, but I would not if I planned to be in Florida during summer.
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Old 01-11-2019, 05:48 PM   #5
TamagoVan
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Default Re: Rear a/c

My partner is 6' 1" and he couldn't stand upright with the interior rear AC ducting in our high roof 2016, and that was before we added insulation to the floor. For us it had to come out, even before the considerations for the rooftop real estate we wanted for vents and solar.

There are aftermarket AC units you can add that take up a lot less space on the roof and can be ducted differently.
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Old 01-11-2019, 05:54 PM   #6
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Default Re: Rear a/c

IMHO, It is unrealistic to be in FL in the summer without air conditioning.

More or less you get into a decision making mode:
- How much insulation do I REALLY need in the floor (making it thicker vs more or less leaving it at the factory thickness)
- Can I change the layout to accommodate

In most van brands, I hit my head going into the center of the back door. (5-11) Just barely scrape under the sprinter.

One possible option is to build up your conversion so that one side is mostly aisle, and the other side is build out. That way you aren't constantly going down the middle of it.
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Old 01-17-2019, 03:46 PM   #7
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Default Re: Rear a/c

Quote:
Originally Posted by TamagoVan View Post
My partner is 6' 1" and he couldn't stand upright with the interior rear AC ducting in our high roof 2016, and that was before we added insulation to the floor. For us it had to come out, even before the considerations for the rooftop real estate we wanted for vents and solar.

There are aftermarket AC units you can add that take up a lot less space on the roof and can be ducted differently.


Hi, I also have 2016 high roof with rear AC, How hard or easy to take it out? Thanks.
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Old 01-17-2019, 07:28 PM   #8
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Default Re: Rear a/c

Quote:
Originally Posted by linnmagic View Post
Hi, I also have 2016 high roof with rear AC, How hard or easy to take it out? Thanks.
Not too hard at all.

1. Hit up a local air conditioning place to have them remove the refrigerant.
2. Take it all apart. Taking things apart is easy. Putting them back together is the hard part.

More seriously, once the refrigerant is out of the system, you start with the grey covers on the interior. There are a few videos on YouTube showing the process. The front and rear covers slide forward and aft. The wider center piece has a couple of screws in it. Then there are some screws holding in the black pieces that remain.

If you like the rear AC but don't like the loss of head room, this is the place to stop and consider the possibility of making your own air distribution system. That could be anything from some kind of a grill to deflect air, to a thin and wide box to move the air to different places around the van. If that's a no-go, continue on.

Then it's up to the roof. The grey covers come off first. Those screws are obvious. The front cover has a form-fitting styrofoam insert under it. It takes a bit of careful lifting to get it off. Then start disconnecting everything you see. Again, YouTube is your friend.

The last bit is to remove screws from the inside that hold the black plastic piece to the roof, and release the gasket infamous for its propensity to leak in the rain or car wash. You're left with a hole ready for a vent installation or a patch.
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Old 01-19-2019, 02:44 AM   #9
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Default Re: Rear a/c

If the photo attached? Note the flat section in the center of housing. You can cut everything from the line down. So if you wanted to just seal the hole and leave the AC mounted you can simply use something very thin to seal her up.
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Old 01-12-2019, 04:44 AM   #10
ecowhale
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Default Re: Rear a/c

I have a rear mounted air conditioner build disclosure you may consider: http://www.EcoNeato.org/ac.html

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