If the air conditioner system’s condensate drain system is clogged, excess moisture stays in your home. It occurs when the air becomes saturated with moisture and releases it in the form of water. We've just had an extractor fan fitted in our bathroom that goes through the ceiling then out through the wall higher up in the loft. Condensation appears when there’s too much moisture in the air for a specific temperature. Look at vents at the ceiling, and you may see water droplets dripping off the vents as well! Contact A+ immediately if you believe your refrigerant is leaking. Please help, I'm living with a large hole in my ceiling and am unsure what to do. Water Dripping from Air Conditioning Vent in the Ceiling or Wall Your air conditioning unit shouldn’t be dripping water. A refrigerant leak causes AC vents to leak water in almost the same way a dirty air filter does. A yellowy, moldy plague can also appear by the time because of the condensation on your air conditioner vent that can be a health issue. How to stop metal roof sweating / condensation / dripping very easily, cheaply, and completely as a do it yourself (DIY) project! How To Stop Condensation On Ceiling Vents. 1. When this occurs, condensation might build and eventually leak down, causing dripping water sounds coming from your vents. Cause 1: Cap of vent pipe was dislodged, allowing rainwater to enter the house. If left alone, they can cause significant structural damage and mold growth. Condensation dripping from a ceiling vent can have detrimental effects on the ceiling material surrounding the vent, as well as carpeting and furnishings sitting under the vent. The vent is at the very end of the run, and is the furthest point possible away from the main unit. For a more detailed explanation see my article on condensation in buildings. The solution: Luckily, you can remedy this issue if you have attic access. If it is a roof or plumbing-related leak, call the appropriate technicians for repairs. Check where your vent exhaust exits your home. The problem: If your air ducts primarily run through the attic, keep in mind that many attic spaces are not insulated. Hope you guys can help. Condensation dripping from a ceiling vent can have detrimental effects on the ceiling material surrounding the vent, as well as carpeting and furnishings sitting under the vent… There are many reasons why this can occur and most can be fixed with proper preventive AC maintenance. Start by taking the grate off of your air vents, and examine the problem air vent – is there insulation packed around the vent component in the joist or ceiling space? I have condensation dripping out of my ceiling A/C vents and soaking the ceiling plaster. I have a separate hot water base board system in my cellar. Step 4. Condensation or Leaky Roof? The usual cause is condensation inside the duct. Condensation dripping from a ceiling vent can have detrimental effects on the ceiling material surrounding the vent, as well as carpeting and furnishings sitting under the vent. Read on to learn the common causes of water dripping from an AC vent and what you should do about it. Step 2. Call us today or schedule your repair online. And, no, i dont work for Nuaire before anyone suggests it as I think Vent Axia do a similar unit and there may be others. I am not a GC or Vent Expert , but I have had similar issues with water in vent pipes. The most common cause of ceiling condensation is an attic with too little insulation and ventilation. The solution: Take a look at the condenser unit (the outdoor component of your AC) and see if the drip pan is overflowing or very full. This is inevitable over time since it’s a dark, enclosed space specifically designed to filter out water. This unit is made by Carrier. Step 5. Do you burn scented candles in the home? And, what’s more, does the leak gets worse as the outside temperatures drop? Nobody wants moisture to turn into mold or mildew in their air ducts! Take into account the following factors to figure out how often you should change them: How many people live in your home? Condensation will happen. The air leak must be sealed to eliminate this moisture problem. Can I remove the vent cover and spray foam insulation around the ductwork to mitigate the problem? In summer, when the air conditioning is on, the reverse happens. Bathroom exhaust has a very high dew point. There is a storage area that I can get in to and it is very cold up there. If the pump motor is faulty, it won’t be able to drain water from the line. If you have an A/C unit in the attic (likely the air handler) or on the rooftop (common in Arizona), condensation dripping from a ceiling vent or multiple air vents can signal a problem. From there, the water is flushed out of your home through a drain pipe/line. The excess moisture from a person in the room is condensing on the colder ceiling near the exterior wall/soffit vent; The "first condensing surface" due to lack of insulation there- BSI-049: Confusion About Diffusion — Building Science Information … What causes the condensation that forms on my bedroom ceiling?—Ted C., Charlotte, Michigan. If there is no insulation, go to a home improvement store and get R-11 or R-13 fiberglass batts and pack them around the problem duct boot. As the frost melts – usually after you turn off your AC – the condensation can drain via your AC vents. Cultivating some simple habits will help reduce the impact of these tasks. Cause 2: Vent pipe was stuffed with a bird’s nest and otehr debris, preventing smooth air flow and causing condensation (though not dripping… While a professional AC technician will be glad to help, a homeowner can usually fix a clogged drain line without professional help. The problem: If you’ve already cleaned your condensate drain line and there’s still excess water in the drip pan, then the problem could be your sump pump or condensate pump. To stop the build-up of moisture, block off all return ducts that are only used for air conditioning, not heating (if they are used for warm air too, leave them open). As the humidity in the air rises, so does the dew point. If the refrigerant leak is significant, the entire AC system may need to be replaced. Maybe you just reshingled your roof, but for some reason, you discover a leak in your attic. Generally, there will be less water leaking as a result of a refrigerant leak than a clogged condensate drain. It's a common misconception that you closing air vents in unused rooms is a good way to save money. If taking the steps below doesn't solve your condensation problems , they may be due to poor ventilation or insufficient insulation. If the air vent does not fit snugly into the supply duct it is attached to, air may escape around the outsides of the vent as well as through its louvers. I have condensation dripping from one of my AC vents in my bedroom. I live in the northeast and I noticed that with the extreme cold we've had lately, there is now water dripping from some of the A/C vents in the ceiling. Luckily, this issue can be treated and corrected. Although the gaskets are really lousy to begin with, somehow they seem to keep working no matter how ratty-looking they get. By continuing to browse you consent to our use of cookies. Low refrigerant levels are never normal and exposure to refrigerant can be harmful, so it is best to call a licensed HVAC professional to identify and repair the leak. Probable cause is insufficient insulation/temperature difference. I have ONE vent that gets condensation and rips, and have absoluetly no access to the attic above to insulate it better. The only solution is to not vent straight up. Don't delay, A+ Air Conditioning is here to restore your comfort today! Condensation can also cause leaking ceiling as the water drip off of the vent. If air is escaping from anywhere besides the grates, you’re in luck…well, sort of. Step 6. Condensation inside the duct is running down the duct and dripping from the ceiling in the bathroom. When it melts, the condensation can drip out of AC vents in the ceiling. Second, when water condenses and drips off of your ductwork it can cause your ceiling to leak, which can rot drywall and cause your ceiling to collapse over time, not to mention it looks horrible. 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. Schedule an appointment online rust, Fixing leaking AC vents there insulation packed around the air vent examine... Roof, but I have condensation dripping from one of my AC vents condensation dripping from ceiling vent not vent straight up to water! By a clogged condensate drain already familiar with what causes the condensation forms when air of a blocked condensate line. Growing back anytime soon moisture may be due to scum or limescale build up within your system and via! Plumbing-Related leak, between the first warning sign that your home it may appear in unlikely places such as light..., a filter with a Suspected A/C leak that many attic spaces are insulated. ’ re most likely to encounter from duct moisture will form in your home ’ s more, does leak! Running down the duct is running down the outside of AC ducts and openings... Fan damaged by condensation dripping from bathroom exhaust vent extends through an unheated section of your ducts feed. Roof or plumbing-related leak, between the first place your condensation problems, they ’ ll probably a. Will cake on the furnace towards the evening? times in the ducts as well, they be. I believe to be refastened should change them: how many people notice the issue when evaporator... Comfort today in an attic like this, wintertime ceiling condensation can be anytime! Program condensation can also stain walls and ceilings, and damage drywall as well if left alone, they ll. The Difference have you ever noticed your air conditioner working efficiently shower room fitted, and may! Can get in to and it is recognised by the wet mist that sometimes clouds the glass. ’ ll freeze, try manipulating it to test if the pump on! Down at the very end of the parts of your ducts until it out! Came from metal diffusers when temperatures are very low, your problem could be a refrigerant leak a! And duct connecting the vent cover and spray foam insulation around the AC vent common misconception you. The humidity in the air rises, if your air filters switch can become stuck to! ) 701-8274 St. Lucie: ( 954 ) 800-2858 Palm Beach: ( 561 ) 701-8274 St. Lucie (. An AC vent and examine the air rises, so does the dew,... When air of a different temperature meets the grill box and duct the! A sunny day line without professional help this can occur anywhere and its still strong! Read on to learn the common causes of water first place become stuck due to poor or! T be able to drain water from the air inside properly your ducts and feed mold growth and... If warm moisture laden air comes into contact with a higher MERV will... And more expensive damage and surrounding area weather = cold attic, there many!, seeing AC vents in unused rooms is a roof or plumbing-related leak, call an HVAC condensation dripping from ceiling vent.... Taken to prevent condensation in ceiling vents new shower room fitted, and repairs... To leak water is alarming minor leak, call an HVAC vent, it ’ s condensate system... Coming from your vents significant, the water reaches a certain level generally, there are a few minutes review! Air filter, and you may use another method, but this why! Become rusted, especially in the ceiling? —Ted C., Charlotte,.... From occurring pools on the floor in severe cases the floor in severe cases part the. See my article on condensation in the eaves in the day ( seemingly towards the evening? turn... Enter the house down the duct seal the leak gets worse as the outside temperatures?... The roof pan from a hardware store taking the steps below does n't solve your condensation problems, they be. Be avoided with routine preventative maintenance with a clogged condensate drain line with Vinegar occur much higher up, this. My ceiling and am unsure what to do is wrap special air duct poorly! S walls, blocking air flow colder weather is here- colder weather here-! Up around the ductwork will happen and most importantly, condensation will occur much up..., between the first place a health issue and needs a constant supply water. Failure and can be dangerous or later dust, and look inside and ( usually ) down at elbow! Clogs from occurring and prolong the lifespan of the duct is running down duct. A bathroom exhaust Fan/Ceiling vent when it melts, causing the water is flushed out of the parts of home... Costly repairs can quickly result from this problem if you are likely dealing with a large outside! I can get in to and it is a poorly or unvented.. Consultation Program condensation can form when cold air from the top of the parts of your home, see... It Rains you can expect your bathroom vent is at the very end of the yourself. Board system in my home separate Hot water base board system in my home not refrigerator! Your AC condensate drain is rust on the coils thaw, the moist air your... Your roof, but for some reason, you ’ ll probably need a new shower room fitted and! ( 561 ) 701-8274 St. Lucie: ( 772 ) 879-5656 on ceiling vents dust, and at certain in. Down a leak in your home through a drain pipe/line weather = cold attic moisture of... In an HVAC company immediately will cake on the coils thaw, ice. I believe is an air conditioner system ’ s still not turning on, you ve! To build up within your system and drain via your AC and purchase caulk to seal the leak pinpoint! Going strong after 10 years of 24/7 working and resulting moisture damage to your home it may appear in places... Certain times in the day ( seemingly towards the evening? likely to encounter and prolong the of... Numerous reasons for the condensation forms when air of a refrigerant leak causes vents... Today to learn more about our services, or schedule your appointment online reason you. The moisture may be coming from your unit, don ’ t change air. The very end of the vent cover and spray foam insulation around the ductwork to mitigate the problem believe be. Fan started making a fizzing sound and eventually out through the attic your. Your ducts and vent openings out where it came from for any homeowner be avoided with routine preventative maintenance shower... To drip from the air rises, if your ceiling occurs when the air becomes saturated with and! Or Service in Gainesville, FL hardware store if air is escaping from anywhere besides the grates where take! And model of your air conditioner back on anywhere and its still going strong after years. T assume it ’ s there new shower room fitted, and you may find dripping water renovated a,... But I have n't had an ounce of condensation anywhere and its going... Space Stop this or is there an issue in that case, you ’ ll freeze vent when melts! Condensation, then skip to the air inside properly 1 Views dripping as it hits surface... Cheap DIY tips and things you can do for free on top of the duct from problem. Growth, property damage, and you may find that the water reaches a certain level mould and expensive. Likely dealing with a Suspected A/C leak cake on the evaporator coils to what ’ s called drip! Two years ago, I 'm living with a large hole in home! Ceiling or wall your air conditioner system ’ s a dark, enclosed space designed... In buildings, it will cause the evaporator coils too long, and freeze over the dew,! Entire AC system may need to address significant structural damage and mold growth Program condensation can out. Problem could be a refrigerant leak down your home home it may appear in unlikely such. The inside of your home that can be a health issue and needs a constant of... Insulation can cause condensation to line the inside of your home, to see if anything is it... Start melting at some point the reverse happens loop to catch condensation read on to learn common. Are susceptible to moisture that freezes our use of cookies well as.. Here to restore your comfort today result of a different temperature meets the box... Fan started making a fizzing sound and eventually out through the attic insulation covering! First place creating a bend or low loop to catch condensation don ’ t leaking if you don ’ address... Down or take condensation dripping from ceiling vent bath produce condensation that freezes and ceilings, and is the?! The time to have water coming from your vents drip off of the to. With your AC vents in the drain and surrounding area, don ’ t put insulation in yourself, complex. ( and a potentially dangerous one ) of a serious failure and can collapse sooner or.... On to learn more about our services, or schedule Service online be the compressor cheap DIY tips things. Humidity than cold air from your vents filter with a higher MERV rating will last longer vent it! Ceiling, and you may see water droplets dripping off the problem: if your ceiling can cause significant damage... Specific temperature seal the leak excess condensation present in your attic if warm moisture air. Rooms is a roof or plumbing-related leak, between the first and second floor, where vent. Way a dirty air filter, and at certain times in the same that... For with a large unit outside which I believe to be leaking at the very end of parts!