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rpk3mp

Roof-top AC?

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I plan to convert my TC into a micro camper to tour the state parks of Florida. I have seen many builds incorporating a roof-top fan, but I have not seen any evidence of someone installing an air conditioner on the roof of a TC. Does anyone have any thoughts on putting something small, like a Coleman Mach 3 on the roof? I fully intend to connect to shore power when running it.

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I've only seen those Coleman Mach 3 on large RVs, like bus-sized ones. Maybe it's too much cooling power for a little Transit Connect?

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Perhaps. I wonder if maybe it is too heavy. 

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Weight isn't really the problem because there are insulated delivery TC's running around with reefers on top, but you're basically going to freeze yourself out, lol. That unit is 13,500 BTU; consider the fact that a 5K BTU window unit in a house can easily cool 150 square feet (times 8ft tall for typical ceilings, so 1200 cubic feet and our vans only have 166 cubic feet of cargo volume, plus a little bit more for the front seat area, lets round it to 200 cuft total).

 

IMO, you'd be better off with one of those new portable AC's, instead. This "Zero Breeze" Mark 2 unit has good reviews online but is spendy $$$ and seems to be pretty decent for what you'd be doing and it's battery-powered/portable, weighing just 16.5lbs (Coleman Mach 3 roof unit is 90lbs, for comparison). Our vans have a total cargo capacity of roughly 1250 lbs or less, depending on specific model and features, so weight is an important consideration when building a micro-camper and still being able to carry everything you'd like to - including yourself & any passengers - without exceeding GVWR.

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This with the right thermostat will work well . Make sure to do a good job on the 14X14 Vent install so there are no leaks.

If done right it will take up less space inside the micro camper.

Take a lot of pictures of the build.

Screenshot_2020-08-31 Coleman Mach 8 Cub 47201B876 RV Rooftop Air Conditioner - 9,200 BTU - White.png

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One of these would make installation of any 14x14 fan or A/C easy as far as sealing everything up to prevent leaks. I'm not the maker/seller, I found it from someone else that had linked it in the forum before, lol. 

 

Roof 14x14 adapter for 2014+ TC ridged roof on Ebay

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That adapter would make the project a breeze.

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