Water Dripping From RV Roof AC

by pat malavasic

Question: We recently purchased an older 5th Wheel. The interior is in very good condition and, I believe, the unit has been well cared for. When the AC was turned one the first time, the AC works fine, but water was dripping down the outside of the camper. Any suggestions to solve this problem would be greatly appreciated. We are an older couple and are anxious to get moving with this unit. Thanx..

Robbie: Water running down the side of your unit from the AC is a good thing. Just like water dripping out from under your car when you use the dash AC. There is a hole in the AC allowing the water to run onto your roof and you seeing this water tells you the AC is working fine. When a customer calls me saying they are having a problem with there AC cooling, one of the first questions I ask is "Do you have water running down the side of the coach".

Relax and enjoy, everything is fine,

Comments for Water Dripping From RV Roof AC

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Jul 21, 2011
Roof AC
by: Nancy

I have notice water on the roof too but it's also in the ac unit on the roof (on each side of the metal) my concerne is that it's going inside and maybe damage the unit ...Is there a hose i'm soppose to see...

Apr 09, 2015
ac leaking
by: Anonymous

trailer leaking from outside top instead of out ac water spout. the water is also leaking in side on floor .how do I find the line. I took the cover off the top.

Aug 08, 2015
Water leaking inside onto floor from roof a/c
by: Anonymous

Took cover off the top and do not see any drains. Does anyone know where the drain line is on a jayco talon rv? it is leaking from unit insde on floor

Feb 09, 2016
No Drain Lines
by: Anonymous

There are no drain lines for the AC unit on the roof of the RV. The condensation drips down into a pan which has an outlet on the side of the base pan that lets the water run onto the roof. If it is leaking inside you most likely have a clogged outlet which can be easily opened with a stiff wire probed in the drain outlet. If that does not fix it or you cannot find the spot to probe you may have to take off not just the top outside cover but the shroud covering the coil so you can see what is going on with the drain pan. May be full of dirt and gunk.

Jul 23, 2016
rv roof ac
by: Anonymous

Where is the outlet for the water to drain off the base of the ac

Jun 14, 2017
Water dripping from AC unit onto floor inside the RV NEW
by: Bob RVing in Alabama

I have a duo-therm Model 600315.331 I have noticed water dripping inside the RV on my table and floor. From what I can see it is the air flow from the trailer into the AC unit up over the splash guards before it can drain out the drain holes on either side of the unit. Thinking about using some Gorilla Tape cleaning the guards and adding that to raise the height of the splash guards to try and keep it from splashing back inside the camper.

May 13, 2018
For some with water dripping onto the floor NEW
by: bpettett28

Inside these Air Conditioners, there is insulation and it can sometimes come loose for different reasons and block the cores where the air is cooled if you see blockage find a way to either push it back and secure it properly so it will not return and block it again. Then the leaking should stop. This is for the ones that leak inside the RV.

Jul 18, 2018
Drip pan NEW
by: Anonymous

How do you replace the drip pan on a 1998 cardinal 5th wheel mine has 2 large cracks and leaking into the inside

Jul 23, 2019
AC water dripping from roof NEW
by: Anonymous

Thank you for answering this question I do not need to be concerned about an expensive repair bill now.

Jul 07, 2020
water dripping inside from AC
by: Anonymous

Do you get to this from on top of the RV or take the vent off inside to check this?

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Robbie Warford, San Diego RV Repair

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