Algae will grow in the drip pan and the condensate line causing it to clog. Check the drain line for leaves and other debris where it exits your home. The constant flow of water traveling from the condensate pan down through the drain line may lead to buildups of algae, calcium, and other mineral deposits. The good news is that condensate pumps are relatively inexpensive. I finally put down a whole bunch of clorox and what looked like hard water deposits came out. A/C drain lines funnel water and moisture throughout the air conditioning unit during the cooling process. Too much of these deposits will restrict the proper flow of water, at which point water will back up and overflow in the drip pan. This water travels down a small pipe where it ends up in the drip pan. Ask Your Own HVAC Question. Try to get into the habit of inspecting your attic on a regular basis to look for signs of moisture — including the AC drip pan. A clogged condensate line will cause water to build up in the drain pan. I got myself a trombone cleaning snake and would just use that to clean out the drain. Here are some clues to the cause of the problem and what you can do about it. Before reaching the drainpipe, this water drips into a drain pan. Carefully pour a cup of bleach into the drain line. And neither are the issues you’re likely contending with trying to keep your home cool. It keeps filling up with water. When the warm air passes over the cold coils, it condenses the moisture vapor into water. It’s important to correct this problem to protect your AC equipment and avoid unnecessary air conditioning repair costs, while also preventing water damage to your home. It stayed dry for a while but then it wasn't cooling well. Show More. One is that the evaporator is filled with debris like hair, dirt or dust. Build-up can even cause a unit to shut down. Because some of these parts are located inside the home, it’s important for homeowners to routinely check them for buildups of water. The potential for water damage starts with the […] There are several reasons why the condensate line will clog and then the drip pan will fill with water. All Content Copyright © 2020 Assurance Heating & Air Conditioning, Inc. | Privacy Policy | Accessibility Statement | Sitemap, Signs Your Furnace Ignitor Might Need Replacement, How a Clogged Air Filter Affects Your Furnace. At Assurance Heating & Air we know that coming home on a hot summer’s day to an air conditioner drain pan full of water is no one’s idea of fun. Small amounts of water in the AC drip pan is perfectly normal. Copyright © 2008-2020 All Rights Reserved|, Powered by Attic Guys - Attic Insulation Service, Attic Decontamination and Attic Sanitizing, Attic Insulation Service In Home Estimate Booking Portal, Attic Insulation Service Prices and Custom Estimate. The drain pan beneath my air-con keeps filling up. The evaporator will then not operate properly and the humidity level will be higher in your home and in the air handler. Just sayin'. Other than that, clean out the drain line. If the moisture that air conditioners produce is not drained away, it can cause leaks and water damage within the home. Another reason for a clogged condensate line is … Potential Causes of Air Conditioner Pan Water Buildup. Our AC handler and drain pan is in the attic. It’s important to correct this problem to protect your AC equipment and avoid unnecessary air conditioning repair … Of course, another possible reason why your drip pan is overflowing with water is because of a clogged drain line. Satisfied Customers: 11,483. In a functional HVAC system, the condensate pump automatically turns on when it comes into contact with water. The excess water can saturate your home’s ceiling, causing rot and mold. Overflowing drip pans are a serious hazard that homeowners need to be aware of. Show Less. Your air conditioning system contains a drainpipe, which removes excess water from the evaporator coils. In a functional HVAC system, the condensate pump automatically turns on when it comes into contact with water. A little bleach periodically would keep the growth from coming back. What is wrong and how do I fix the problem? I drain it, put in some clorox, it stayed dry for a while, then it started up again after a week or so. Push the stiff, thin brush into the end of the drain line. How Does an AC Disconnect Switch Function? how to clear a blocked Air conditioning drain pan - YouTube Find your AC drain line. The cool surfaces of an air conditioner’s refrigerant coils attract moisture. Have you noticed your AC unit’s drip pan overflowing with water? According to the U.S. Department of Energy, drainage problems are one of several issues that can cause your air conditioner to malfunction. Any suggestions would be greatly appreciated. Most AC drain lines are located outside, near the condenser unit. My old house had a drain only a few feet from the pan to where it left the house. A few other potential causes of standing water in the AC pan include a frozen evaporator coil and improper AC system installation. HVAC Technician: Phil, Mechanical Engineer replied 1 year ago. The only downside is that you may need to hire a professional HVAC technician to install it — unless you have experience working on AC units and parts. What’s even more alarming is the fact that most homeowners fail to realize there’s a problem with their drip pan until the attic is saturated with water. In most cases, the AC drain line clog will occur farther down and you’ll need to do a little more work. If the moisture that air conditioners produce is not drained away, it can cause leaks and water damage within the home. Before getting into why drip pans fill with water, it’s important to understand the role a drip pan plays within your air conditioner. Answered in 7 minutes by: 1/3/2019. Your best course of action includes the following: Assurance Heating & Air Conditioning can help you keep your Glenview, IL area AC system properly maintained, lowering your air conditioning repair costs. Just sayin'. The water rises in the drip pan and triggers the pump once it reaches a certain point. Category: HVAC. The cool surfaces of an air conditioner’s refrigerant coils attract moisture. You can purchase a brand new one for about $50 bucks, making this a cheap fix. This condensation will drip into an overflow pan that is connected to a drain line. Easiest way to keep the A/C drip pan from filling up is to turn off the A/C. The constant flow of water traveling from the condensate pan down through the drain line may lead to buildups of algae, calcium, and other mineral deposits. I got myself a trombone cleaning snake and would just use that to clean out the drain. Learn more about regular system maintenance or call our office at (847) 388-0316 to schedule your service. When the warm air passes over the cold coils, it condenses the moisture vapor into water. According to the U.S. Department of Energy, drainage problems are one of several issues that can cause your air conditioner to malfunction. If visible, clear the blockage with a thin wire. The drain pan will fill up with water, which will cause damage to your home if there are leaks in the drain pan or the emergency overflow is clogged as well. Like drainage issues, a frozen coil may result from lack of system maintenance, including AC checks and tune-ups and regular air filter changes. Small amounts of water in the AC drip pan is perfectly normal. The drain pan fills and when the ac kicks on the secondary drip line starts dripping again. Other than that, clean out the drain line. Low refrigerant levels, caused by refrigerant leaks or an improperly charged unit, can also lead to a frozen evaporator coil. This water travels down a small pipe where it ends up in the drip pan. Easiest way to keep the A/C drip pan from filling up is to turn off the A/C. If not visible, use the wet/dry vac to clear the blockage from the pipe. A clogged air conditioner drain line can cause serious problems if it is not fixed. This condensation will drip into an overflow pan that is connected to a drain line. When the ac cycles off we are left with about an inch of standng water in the pan. The Energy Department offers advice on how to properly maintain your AC system. Most modern-day homes are constructed with the AC compressor on the exterior of the home and the handler/evaporator coils inside (usually the attic). Use a wet/dry vac to remove the standing water from the drain pan. A clogged condensate line will cause water to build up in the drain pan. 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