Mist Box - Fiberglass RV

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Old 06-29-2015, 09:48 AM   #1
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Name: Sid
Trailer: Parkliner 2014 V6 Jeep Cherokee
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Mist Box

Mistbox - Air Conditioner Energy Savings - Mistbox
Has this add on been commented on before?
Can any air conditioner Macgyvers out there figure out how to create something like this that would not make the camper a wet mess?

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Old 06-29-2015, 10:14 AM   #2
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I don't think this would make a wet mess, except on roof mounted AC if the water output is greater than what would be evaporated on the condenser.

This unit appears to be designed for home units, which have much deeper condenser coils and therefore greater contact, read 'evaporative surface', than the small units on our trailers.

If you made your own, you would want to use distilled water to avoid the scale problem that they claim their filtration system would avoid. You would also need to control the flow so that the water sprayed on the coils would evaporate completely, preventing excess water which would drip from the unit, avoiding the 'wet mess'.

Not a bad idea really. Big commercial AC units use chillers which serve the same purpose. However, the principle is much the same as the old evaporative cooling units people used to put in their car windows. They work, but the efficiency drops off as relative humidity rises.

With all the rain in Houston lately, I suspect the reviewer quoted on the site is not having as good results this past couple of weeks.

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Old 06-29-2015, 06:53 PM   #3
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Whether or not a person uses such a device at home or in a RV, they shoudd consider the hardness of their water supply.

If they have hard water with a lot of calcium and minerals in it, before long they will have a sold mass blocking the AC fins.

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