Water Dripping From Bathroom Exhaust Fan

Moist indoor air condenses inside a cold uninsulated duct and water runs down into the fan.

Water dripping from bathroom exhaust fan. Use a screwdriver to remove the extractor fan cover. If the cover or blades of your extractor fan get too dirty it could allow any cold air to linger and condense on them. You may find dripping water during or shortly after a shower.

Create a more secure water barrier by replacing the flashing and surrounding shingles. If bath fan ducting isn t properly insulated the moist air from your house will condense inside the duct. First check the exhaust ducting or tubing.

Turn off the power to your exhaust fan. The problem might be the condensation in the cold duct. The cause of condensation.

If yours does there s something wrong with it. In most of the dripping water from the bathroom fan cases this is the main culprit that you have to consider first. There is a good chance that there is condensation inside the duct.

It should be insulated straight and vented to the outside. 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. Many people notice the issue.

You should use a soap and water mixture to clean your cover and the blades at this time. You may notice water dripping during or shortly after taking a shower. I can see no reason why under any circumstance it would be appropriate to terminate a bath fan into the furnace intake.

Condensation in the duct. So you run the bath exhaust fan to remove moisture but then you get that drip drip drip from the fan on your nice clean rug. If the furnace is running while the bathroom exhaust is operating the furnace would be drawing extremely humid air for combustion which could lead to the deterioration of the burners and water dripping inside the furnace cabinet could potentially damage other furnace components.

Here are the possible solutions. Bath exhaust fans should not drip. I ve had a few showers since then and every time the vent fan has dripped quite a lot.

In cold climate regions if your bath exhaust fan vents into your attic and not through your roof it could be building up condensation which then follows the vent pipe back down into your bathroom. Redirect water away by installing what s called a cricket. Replace the cover of the chimney.

Another potential source is a buildup of ice on the roof in winter which may melt in reaction. New bathroom vent fan dripping water i recently renovated our bathroom new shower in same place as old one replaced 60cfm vent fan with 80cfm using the same hole in the ceiling.