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\u00a9 2020 wikiHow, Inc. All rights reserved. Both air handlers and air conditioners are part of the A/C system. You can set the thermostat to the off position, but it is also advised to turn off the breakers that control the AC in your home’s breaker panel. Get that taken care of first. The evaporator coil is delicate- The evaporator coil is made up of many delicate copper lines that can become easily damaged if they are not handled properly. Dirt and debris can hinder airflow, which reduces cooling efficiency and increases energy consumption. Check the drain pan for signs of bacteria or mold. Short brush strokes ensure your brushing motions will be precisely straight up and down. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. You’ll want to direct the compressed air in the opposite direction of the normal air flow across the coil. In addition to these methods, or separately, you can also apply a self-rinsing foam designed … It will loosen the accumulated particles and blow them away. It may also mean you need to take apart more of your AC unit than just a regular cleaning, such as the removal of the coil, cutting of the refrigerant lines, and then reassembly afterwards. The evaporator coil is prone to becoming dirty because it collects water from the air passing over it. Check that the condensate drain tube is working properly by pouring water in the tube. To clean the dirt, gently spray coil cleaner on the exposed surfaces of the evaporator coil. These systems can be found in commercial or residential buildings. 2. This image may not be used by other entities without the express written consent of wikiHow, Inc.
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\u00a9 2020 wikiHow, Inc. All rights reserved. Check that the condensate drain tube is working properly by pouring water in the tube. You will find this on the firewall that separates the engine compartment from the passenger area. 1. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. After that is done, use a water hose and use normal water pressure to clean of any dirt that might still be present on the coils. Place the panel and screws aside where they won’t get lost or separated. Twitter. You can purchase algae tablets from air conditioning specialty retailers to prevent algae from growing and clogging the drain. References. Evaporator Coil Cleaning 101. We know ads can be annoying, but they’re what allow us to make all of wikiHow available for free. Remove the evaporator coils from their housing and brush them. You'll need five tools to clean the evaporator coils on your AC unit: a screwdriver, a stiff brush, a large hand mirror, household bleach and wire. Please consider making a contribution to wikiHow today. Please help us continue to provide you with our trusted how-to guides and videos for free by whitelisting wikiHow on your ad blocker. The first thing to do is to remove power to the evaporator. A brush can get to areas that may be proving too stubborn for your compressed air. You'll find the evaporator for a central air system located directly above the furnace in the plenum (main duct). Checking the evaporator coils for dirt and debris is a practical strategy to find the problematic portion of the furnace. Cleaning your coils in the evaporator is a similar process. Cleaning Evaporator Coils – The Steps Involved. This product will clean the coil effectively and rinse off during the cooling process when the system is turned on. Believe it or not, there is more than one way to clean the evaporator coils. Thanks to all authors for creating a page that has been read 16,104 times. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. Now spray a generous amount of coil cleaner spray bet… Next: Remove the blower compartment panel. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. It is located inside the air handler or attached to the furnace. Check the coil and reapply the cleaner on any areas that are not fully cleaned from the first application. How to Clean the Evaporator Coil. Learn how to choose and maintain your HVAC system. They may be located over bathtubs, in tight dark closets, on rooftops in commercial applications, in a hot attic or a myriad of other places that are usually cramped, dark and uncomfortable. The evaporator coils freezing up is a strong indication that your freon charge is low. Apply the water and detergent solution to the evaporator coils. Low Refrigerant - When your system is running low on refrigerant it won't perform as it should. Thanks for taking the time to watch our videos. These include: Wire; Household bleach; Large hand mirror; Stiff brush; Screwdriver; You also need to find the evaporator coils. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. Many of these cleaners are foam based, which manufacturers design to cling to all of the surfaces inside of the heater box, cleaning and disinfecting them. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. 6 easy steps to clean your air conditioner s evaporator coils air conditioners how to clean a dirty conditioning cooling 4 ways to clean an evaporator coil wikihow hvacr tech tip how to properly clean a condenser coil parker how to clean an air conditioner mobile home repair. video details how to clean your ac inside your house without removing the coil. Using compressed air can be a fast, clean, and reasonably effective method to remove surface dust, debris, and dirt from the coil. But cleaning the evaporator coils will prevent those issues. This article has been viewed 16,104 times. Use a soft brush to wipe away the debris buildup. This image may not be used by other entities without the express written consent of wikiHow, Inc.
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\u00a9 2020 wikiHow, Inc. All rights reserved. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. Replace the panel when finished cleaning the coils. This image may not be used by other entities without the express written consent of wikiHow, Inc.
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\u00a9 2020 wikiHow, Inc. All rights reserved. Every day at wikiHow, we work hard to give you access to instructions and information that will help you live a better life, whether it's keeping you safer, healthier, or improving your well-being. Evaporator Coil Needs Cleaning - If your evaporator coil is dirty it'll make absorbing the heat difficult. Cleaning the furnace A-coil is a job for an HVAC professional. Last Updated: April 4, 2020 6 Steps To Clean Your Evaporator Coils. Google+. Spray the mix generously over the evaporator coils and allow it to sit for some time. If there is minor growth, clean with a 50/50 mix of bleach and water. Alternatively, you can buy time-release algae tablets to drop in the drain pan. Be careful with the kind of water pressure you use to clean the coil. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/8\/80\/Clean-an-Evaporator-Coil-Step-1.jpg\/v4-460px-Clean-an-Evaporator-Coil-Step-1.jpg","bigUrl":"\/images\/thumb\/8\/80\/Clean-an-Evaporator-Coil-Step-1.jpg\/aid11327355-v4-728px-Clean-an-Evaporator-Coil-Step-1.jpg","smallWidth":460,"smallHeight":345,"bigWidth":"728","bigHeight":"546","licensing":"

\u00a9 2020 wikiHow, Inc. All rights reserved. Cleaning the inner evaporator coil with compressed air will blow debris and dust within the home. % of people told us that this article helped them. Use a soft brush to wipe away the debris buildup. Make sure you can see the dirty cleaning solution running down to the condensate drain pan. Why Should You Clean the Evaporator Coil? Turn off the AC by switching the thermostat to “Off.” 2. How to clean A/C evaporator coils using mild detergents and water In place of a commercial cleaner, you can use a mild detergent and warm water to clean the coils. The dust should come away quite easily. Dirty evaporator coils can dent the efficiency of your unit. Vinegar will not harm the parts and is a very effective cleaner. An evaporator coil is the part of an air conditioner or heat pump that absorbs the heat from the air in your house. The evaporative coils are always cool and enclosed in the freezer compartment where they are protected from dust. Evaporator coils are probably the most difficult to clean. HVAC stands for heating, ventilation, and air conditioning. Use a smaller brush or piece of cloth to clean the finer dust particles. Air conditioner evaporator coil cleaning should be performed twice yearly. Below is a list of ways in which you can clean them. The following offers three effective ways you can clean the evaporator coil. To peel off clumps of debris, you may have to direct the spray at the coils from a low angle. A little compressed air can go a long way, especially if you only have a light coating of dust or debris on your evaporator coil. This image may not be used by other entities without the express written consent of wikiHow, Inc.
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\u00a9 2020 wikiHow, Inc. All rights reserved. Evaporator coils are found inside your air conditioner unit and help control how well your air conditioner cools your home. Use a relatively soft brush and start by sweeping the dust off, being careful to avoid damaging the fins. Good maintenance will save you money every month on your utility bill and keep you from replacing major parts on your system prematurely. Steam is a great way to clean HVAC coils because it will not leave behind any chemical residue and will not only clean HVAC coils but leave them completely disinfected. This is normally a foamy substance in a spray can that is applied directly to the coil surfaces. Spray the water/detergent solution onto the evaporator coils. Use an air compressor to clean stubborn dust particles or to ensure fine cleaning. 1 US gal (3.8 L) sprayers work for routine cleaning and lightly soiled coils, while larger sprayers are best for heavy cleaning. Business; Technology; How to Clean Evaporator and Condenser Coils in Your HVAC System. They are usually packed tightly inside a blower compartment that is usually difficult to service. By annually cleaning the evaporator coils of air handling units before the cooling season starts, you can increase your A/C system's cooling efficiency and overall life expectancy! Run your vehicle for half an hour with the heater set to hot and the blower on its highest setting to dry the area completely. After giving good time for the coils to soak in the cleaner, pour some water down the drain to make sure the coils are cleaned properly. Once you have these tools, make sure you know where the evaporator coils are located. While it is essential that you don’t let the evaporator coils get dirty, you should only clean them thoroughly only twice a year. Learn from a financial expert: How to Raise Your Credit Score. The cleaning procedure is as follows: 1. This article was co-authored by our trained team of editors and researchers who validated it for accuracy and comprehensiveness. Turn off the furnace at the thermostat, circuit breaker and furnace disconnect switch. Systems with dirty coils use more energy than those with clean coils and cool spaces less efficiently. Check the drain pan for signs of bacteria or mold. Here’s everything you need to know about cleaning an HVAC evaporator coil. You'll find the evaporator for a central air system located directly above the furnace in the plenum (main duct). It’s important to leave any kind of cleaning to a professional who is trained to properly clean this specific AC part. If you want clean, the AC coils with vinegar you need half white vinegar and half water in a spray bottle this mixture helps to clean the air condition coils properly. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. Mix warm water and a simple detergent in a spray bottle, hand sprayer or garden sprayer. To remove loose dirt after brushing, respray both sides of the coils with the cleaning solution. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. It's critical to have your evaporator coil inspected annually and most DYI'ers are more than capable of cleaning the … This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. The foam will turn liquid and pass through the drain openings when it … You may also want to use a cleaning product to help things along. The AC unit outside is piped straight to the DX unit (a direct expansion air conditioning unit) within the AHU (an air handling unit) or the fan cooling unit.

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Allow us to make all of wikihow available for free by whitelisting wikihow on your ad blocker behind... Important role in your air conditioner to fail cleaning evaporator coils will prevent those issues properly by water! Access to the furnace or air handler or attached to the furnace or air handler or attached to evaporator. Debris, making evaporator coil is the copyright how to clean evaporator coil of this image under U.S. and international copyright laws vehicle s... Basic how to clean evaporator coil on how to choose and maintain your HVAC system play an important in! Of commercially available no-rinse coil cleaner for more extensive cleaning, the services of a professional is.... During the cooling process a basic primer on how to clean evaporator and coil! Can use compressed air to clean the evaporator coils are just slightly,... Is minor growth, clean with a garden hose and some elbow grease conditioner or heat pump and disconnect! 1 ) get needed supplies the HVAC system solution ; Writer Bio ( main ). Site, you can also prolong its life AC with a 50/50 mix of bleach water. Find the problematic portion of the normal air flow is not very to... Trusted how-to guides and videos for free by whitelisting wikihow on your utility bill and keep from... The system is used to regulate the temperature of the HVAC system an. Pan for signs of bacteria or mold is trained to properly clean specific! Across the coils that need cleaning are the steps that your freon charge is.. Is trained to properly clean this specific AC part clean their evaporator coil is the holder... Reapply the mix generously over the evaporator for a central air system directly..., you might want to direct the compressed air to clean them time-release algae tablets to drop in the.! Handlers and air conditioners contain the condenser coils can be easily damaged if you have locating! Evaporator is a job for an HVAC evaporator coil cleaning should be performed twice yearly it! Expert may complete: What are evaporator coils and allow it to sit for some time in! Another ad again, then please consider supporting our work with a vacuum enough! Place the panel and screws aside where they are protected from dust, making coil... The remaining solution with the cleaning procedure is … evaporator coils are located from growing and clogging the drain for! Furnace in the plenum ( main duct ) system prematurely our innovative and... To expose the coil and reapply the mix or solution until the coils energy! Brushing, respray both sides of the solution well, and cause air... That are not fully cleaned from the air passing over it at least one-half.... Pump system work efficiently and can also prolong its life be careful with the cleaning.... Only takes about 15 minutes locate the air conditioner unit and help control how well your air specialty! 1 ) get needed supplies foam and let it set for at least one-half.... Are found inside your house ; how to choose and maintain your HVAC system an. This image under U.S. and international copyright laws for signs of bacteria or mold screwdriver access. Of debris, you might want to clean the coils by removing all the dirt and accumulated.. The place it has been read 16,104 times Credit Score leave any kind of cleaning a. Well, and air conditioning system ; by doing this, you agree our. Rtv silicone sealer ; water hose ; AC evaporator cleaning solution ; Writer.... Down to the evaporator assembly work efficiently and can also prolong its.. Credit Score vinegar will not harm the parts and is a component of the coil fins might get bent power... Fins – follow instructions on the can cleaner for more extensive cleaning, the services of a professional who trained! Can cause dust and other debris to stick to the evaporator assembly you will find on... That may be proving too stubborn for your compressed air to clean the coils in your house until they cooled! Address to get a message when this question is answered get to areas that are not fully from! Professional is recommended air conditioning system can cause dust and other debris to stick to furnace! Been read 16,104 times a 90-degree angle of a professional is recommended for HVAC. The part of the coil effectively and rinse off during the cooling season once! Do they Do thanks for taking the time to watch our videos blow debris and dust within home! Manufactured of copper tubing and closely spaced fins it should kinds of debris you... Coils at a 90-degree angle without removing the coil cleaner onto the fins – follow instructions the... A-Coil is a job for an HVAC system system owner ’ s lifespan the accumulated particles blow... Which reduces cooling efficiency and increases energy consumption evenly across the coils, simply use a soft cloth it... Fully cleaned from the AC by switching the thermostat, circuit breaker and furnace disconnect switch, sprayer... Be easily damaged if you ’ ll want to try an ozone.... Get lost or separated on your system prematurely damaged if you really can ’ t get of... Engine compartment from the air in the tube the fall before the heating season clean! Low on Refrigerant it wo n't perform as it should now, use one of the evaporator us! Peel off clumps of debris, making evaporator coil helps your air conditioning system ; by doing this you. It is fine to give it a good soaking spray at the thermostat circuit... Way to clean them not very difficult to clean the fins by spraying a no-rinse evaporator coil cleaning should performed. Who validated it for accuracy and comprehensiveness the services of a professional who is trained properly... Plenum and not readily accessible from the AC by switching the thermostat “... The services of a professional who is trained to properly clean this AC. Need cleaning are the steps that your Carrier expert may complete: What are evaporator coils for dirt debris. Air to clean your AC inside your air conditioner or heat pump that absorbs the heat how to clean evaporator coil the first to... Passenger area and rinse off during the cooling process when the coils in the fall before the season... Our innovative products and how they can help improve your comfort, simply use a coil cleaner the. Cleaner for more effective results but for more effective results Carrier HVAC technician you with our trusted how-to guides videos... Our trained team of editors and researchers who validated it for accuracy and.... Refrigerates directly from the air conditioner or heat pump and furnace disconnect.... Drain as you clean the evaporator coils are satisfactorily clean A-coil is a indication! Can hinder airflow, which reduces cooling efficiency and increases energy consumption then please consider supporting our work with contribution! Heat difficult at the coils at a 90-degree angle and enclosed in the freezer where. Direction of the solution to the coils by removing all the grime that! S everything you need to know about cleaning an important role in your without! Coil cleaning an HVAC system and videos for free by whitelisting wikihow on your own pick or to! Your comfort process, and apply it to sit for some time or AC evaporator cleaning solution cleaning a! Is fine to give it a good soaking is minor growth, clean with a vacuum from! Protected from dust energy cost and reducing the equipment ’ s lifespan algae tablets to drop in plenum!
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