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Location For MaxxAir Fan

27427 Views 24 Replies 16 Participants Last post by  ranxerox
I have noticed that most camper conversions have located their MaxxFan vent/fan at the extreme rear of the Transit. I have some concern that this location might not be the best for me as I am planning on using a catalytic propane heater from an underboard propane tank and plan on using it four seasons here in New England. Since fresh air is needed to run the heater, I would be susceptible to drafts directly over my bed that will be located in the rear.

I am considering an alternative location just behind the first roof strut after the roofline goes from curved to flat. In that way, I should not be as susceptible to drafts. Should I be concerned about additional road noise or reduction in MPG if I were to locate in that position? Has anyone else installed there? Does anyone else see any pitfalls? It may be advantageous to have it in that location for cooking and for moisture exhaust from a rigged up shower that would be possible as well.


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You may have an easy solution to the rear air intake need. Under the van, at the bottom of the D pillar on both sides, there is a 3x4-or-5 inch plastic plug that can be removed. I've been running without the one on the driver side (passenger side is too close to the exhaust) for about a month. Need to devise some rodent screen for it. In a cargo van, there are plenty of holes and openings on the D pillar, for the air to come through.

Beside that, the cabin air exit vents (which we assume have one-way flaps), are hidden under the black side moldings behind the rear wheels. It has been speculated that these could be modified for air intake, but, no one has yet taken a shot at it.
Hi EddieZ - this is good info. Do you have to pop any of the interior caps off (ie. near the rear door of the driver side) to get max airflow? Is the airflow created by removing the plastic cap(s) noticeable? Are your interior walls covered? If so, does it hinder the airflow from the D pillar vent opening?

I need to figure out how the air flows from the opening of the D pillar and into the cab I suppose. Perhaps you can shed some light. Thanks!!!
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