Good Sam Club Open Roads Forum: Class A Motorhomes: High humidity
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 > High humidity

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Gazelle05

Gig Harbor,Wa

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Posted: 05/24/20 07:36am Link  |  Quote  |  Print  |  Notify Moderator

Smells bad. Parked in NW Arkansas humidity is in the mid 80s. Temp mid 80s. When I run the ac units to cool down it is pulling the gases from the vent tank into the coach.
Never have had an issue like this before. Any ideas on how to be able to run ac units and not get the smell?
Thanks in advance.

stickdog

Somewhere, USA

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Posted: 05/24/20 07:43am Link  |  Quote  |  Print  |  Notify Moderator

Dead skunk in your AC vents?


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rgatijnet1

Florida

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Posted: 05/24/20 07:47am Link  |  Quote  |  Print  |  Notify Moderator

Go to a rental place and get a small ozone generator. We used to use them to remove smoke odors after a fire or construction odors after a remodeling project. It will not take a big one to get rid of any lingering odors and you can put a cap over the tank vent to minimize odor escape. Be sure to clean the AC filters with soap and water first. You may also want to check the gasket on your toilet to see if the odors are coming in through the toilet. If the bowl will not hold water, the gasket is bad.

2oldman

New Mexico

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Posted: 05/24/20 07:49am Link  |  Quote  |  Print  |  Notify Moderator

a/c recycles indoor air. It doesn't pull air in.

Gazelle05

Gig Harbor,Wa

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Posted: 05/24/20 07:54am Link  |  Quote  |  Print  |  Notify Moderator

No smell when we are not using AC?

wolfe10

Texas

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Posted: 05/24/20 08:44am Link  |  Quote  |  Print  |  Notify Moderator

If it is that "wet dog" small when starting the roof A/C, you need to clean your EVAPORATOR.

Get an evaporator cleaner at any box or HVAC supply store. Cleaning is done from the roof after removing the A/C cover and then the evaporator cover. Be sure to block the opening to the coach interior.

You will be SHOCKED at what you find-- dirt, mold, mildew!


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Posted: 05/24/20 08:54am Link  |  Quote  |  Print  |  Notify Moderator

2oldman wrote:

a/c recycles indoor air. It doesn't pull air in.


This^^. Look to your duct system or somewhere else for the problem.

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wildtoad

Blythewood, SC

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Posted: 05/24/20 09:16am Link  |  Quote  |  Print  |  Notify Moderator

Maybe time to give the AC system a good cleaning. Clean and wash the filter in all your rooftop units, check the drain holes on the units, make sure the gaskets Between the unit and the roof are in good shape and tighten down a bit.


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opnspaces

San Diego Ca

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Posted: 05/24/20 09:28am Link  |  Quote  |  Print  |  Notify Moderator

Yes and yes on the cleaning the coils. But first pull the ceiling panel and find the four bolts that go up through the roof. Give each bolt about 1/4 to 1/2 turn.

The gasket and AC should not be tightened all the way down to the roof. There is supposed to be a gap that is just filled by the gasket. If you overtighten you will have a leak.


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jdc1

Rescue, Ca

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Posted: 05/24/20 09:56am Link  |  Quote  |  Print  |  Notify Moderator

stickdog wrote:

Dead skunk in your AC vents?


Yep. Betcha someth'n dun died in there.

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