5 causes of ac vent water leaks.
Bathroom ceiling vent leaking water.
There is a good chance that there is condensation inside.
The first step is to head to the attic.
However you shouldn t expect for it to come out of your leaking bathroom exhaust fan or ceiling vent.
You can expect water to come out of the shower or the faucet.
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.
Clogged condensate drain line.
Fixer1234 jun 15 17 at 21 46.
There may be damaged insulation damaged drywall damaged wood framing and there may be mold growing.
This just allows water to accumulate and may cause a large leak when the water lets go.
For many years contractors installed bath fan vent ducting incorrectly creating a bend or low loop to catch condensation.
Check the vent s damper or protective cover and ensure it s in proper working order.
When it does then there s obviously something wrong.
It should open only under pressure from the warm air to let it out and remain closed the rest of the time.
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.
The bathroom vent may be leaking water when it rains through the exterior of your home.
Leaks can occur when the drain pipe becomes clogged with mold mildew dust and sludge.
Quick tip 22 the rain may drain but it s really not a pain.
If it doesn t or it appears to have an imperfect seal it s time to replace the damper.
See if the water is coming from the duct and not some other leak dripping into or around the housing.
You will need to remove the cover and maybe drop the fan to see the inside of the housing.
This is why it s so important to do routine hvac maintenance checks.
You may notice water dripping during or shortly after taking a shower.
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.
This is inevitable over time since it s a dark enclosed space specifically designed to filter out water.
In most of the dripping water from the bathroom fan cases this is the main culprit that you have to consider first.
If water drips from the bathroom exhaust fan the damper that normally controls the flow of air through the pipe may not be working correctly.
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.
The problem might be the condensation in the cold duct.
If bath fan ducting isn t properly insulated the moist air from your house will condense inside the duct.
But as isherwood suggests if it isn t the vent inspect where the water is coming from when it happens.
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.