8 common causes of water dripping from ac vent while there are many things that can cause water to drip from your ac vent this isn t a normal occurrence and should be looked at sooner rather than later.
Bathroom vent leaking water.
The bathroom vent may be leaking water when it rains through the exterior of your home.
The most common sign of your ac leaking water is water stains or yellowing on your ceiling near the air vents not a good look.
You can expect water to come out of the shower or the faucet.
But as isherwood suggests if it isn t the vent inspect where the water is coming from when it happens.
However you shouldn t expect for it to come out of your leaking bathroom exhaust fan or ceiling vent.
Another potential source is a buildup of ice on the roof in winter which may melt in reaction to the warm air from the bathroom.
Be sure to turn off the breaker to the vent until the issue is resolved to help prevent a ceiling fan fire and place a bucket below the leak to prevent further water.
After all this is where you take a bath.
This could be an indication of needing a new roof.
Fixer1234 jun 15 17 at 21 46.
There may be damaged insulation damaged drywall damaged wood framing and there may be mold growing.
So don t get angry with your expensive bathroom fan yet.
See if the water is coming from the duct and not some other leak dripping into or around the housing.
You just about have to get up into the space between the ceiling and the roof and look for water to find this.
The water is then running down the pipe to the vent and into your bathroom.
When it does then there s obviously something wrong.
Water stains on the ceiling around your bath fan may indicate a leak coming from the vent cap on your roof but condensation is the more likely culprit.
Check the vent s damper or protective cover and ensure it s in proper working order.
Water from the roof.
Any leak your home has is urgent and must be taken care of.
If bath fan ducting isn t properly insulated the moist air from your house will condense inside the duct.
First area to check is the vent sealing.
After it rains the water has to go somewhere unfortunately sometimes it ends up coming through the bathroom vents of your home or your apartment.
Of course you could have a plumbing leak in that upstairs bath inside the walls or the floor that happens to be running to that pipe but i would expect to.
You will need to remove the cover and maybe drop the fan to see the inside of the housing.
If your leaking bathroom exhaust fan has been going on for some time it may be a very good idea to remove the actual bathroom exhaust fan and check for damage in the ceiling cavity.
To find the problem and fix it you must keep your head cool.
It s also possible that the vapor barrier installed in the roof is developing condensation as a result of poor insulation and the water is pooling.
You can expect your bathroom to get wet.
In this article i will try to explain why your bathroom exhaust fan is dripping water and how to fix it.