Unknown particles coming from AC??

[FaithBowls]

Turned on the bedroom AC - a Dometic - and later found a layer of dust over the whole bedroom. It's not normal sawdust - there are tiny shiny particles everywhere. It looks like silica - smaller than glitter, reflective, possibly metal but looks more white like silica. Is this a known issue? What is the particle? Ho to fix?

[RogerRoll]

Originally Posted by FaithBowls

Ho to fix?

I don't think a ho will know how to fix it! Perhaps if it was glitter!!?

Is your return filter disintegrating?

Maybe the aluminum fins are scaling?

Does the unit still cool??


2010 Winnebago Aspect 28B

[sbleiweiss]

You don't say whether this is a new RV. The ductwork on new RVs is typically full of all kinds of crap that blows out. Shiny may just mean "sawdust" from drilling through metal ductwork or studs.

[algolfer]

Not sure if you have a ducted unit but here is what I found with our unit. The bed in the master bedroom would have a fine layer of dust and other particles when using the A/C. I removed a register and found that the manufacturer did not vacuum the ducts after cutting the roof and installing the a/c's. Vacuumed as far as I could within the ducts and all has been good thus far.

[FaithBowls]

Thanks all. Yes its a brand new 5th wheel with ducts.

[Mike and Cha]

That is fairly normal in new MH's/RV's. Even when they do their best to clean it, you will get some residue when using your AC's for the first several times. The shinny "silica" looking stuff may be fiberglass residue, or residue from cutting through some of the insulation.