List of 20+ how to clean an air conditioner

Below is a list of the best how to clean an air conditioner voted by readers and compiled and edited by our team, let’s find out

Video How to clean an air conditioner

According to Healthy Building Systems, Australia, “Evidence shows up to 50% of all illnesses are caused by unhealthy indoor pollution. Polluted indoor air also impacts on system and asset efficiency, lifecycle and risk (fire, critical breakdowns, etc.).” With this in mind, it makes sense to keep the level of cleanness of our air conditioner – high. By regularly maintaining your residential or commercial air conditioning unit, you significantly preserve energy, and more importantly – your health. AC filters are a true paradise for different bacteria, fungi, pet hair, dust, tobacco smoke, etc.

You can solve certain issues yourself, while others require professional HVAC technicians to service. Read on to find out what you can do to keep your AC clean.

When and What to Do Yourself?

There is no need to call a professional service for minor cleaning. It’s more logical to do some of the cleaning yourself. You’ll save money, and who knows – you may even find the removal of debris to be satisfying in its own unique way. If you notice a significant increase in your electric bills and you can’t remember when the last time you cleaned your AC was – now is the time! You can clean the outdoor unit (AC condenser) and some parts of the indoor unit (evaporator), yourself!

Before we begin, be sure to read our article How Does a HVAC System Work to get an idea about the ins and outs of these systems.

ac outside unit

The Outside Unit

The outside unit includes a compressor, cooling fins, tubes, and a fan. The tools for cleaning the outside unit include a coil cleaner, water hose, gloves, and protective goggles.

Before anything, keep in mind that safety comes first, never work before turning off the electronics. Open the electronic box near the outside unit, and switch it to the OFF position. Once you have done that, follow these steps:

  1. Clean the condenser fins (metallic blades) surrounding the unit, by using the vacuum cleaner – the soft brush part. Depending on the model, you may have to unscrew and lift the metal cover to get to the fins. This should remove dust, dirt, leaves, and everything organic or nonorganic that got stuck.
  2. Realign and straighten fins which seem bent or crushed, by using a butter knife. Be careful and insert the knife just enough to align the fins.
  3. Clean the condenser interior by removing the fan.
  4. Check the motor of the fan. If you find lubricant ports, add just a few drops of electric motor oil (no penetrating or all-purpose oil). Modern air conditioners don’t need lubrication at all, and they don’t have these kind of ports. Check the user manual for your AC to be sure.

The Inside Unit

The indoor unit consists of an air filter, cooling coil, and a long blower. Before you proceed with the cleaning of your air conditioner, make sure to check if the device is still turned off. The equipment you will need to clean the inside unit include an aircon bag, coil cleaner, and a water sprayer.

The steps for cleaning the inside AC unit are:

  1. Place the aircon bag underneath the unit.
  2. Open the front cover. Be careful not to break the mechanism.
  3. Remove the filters, wash them with warm water and let them dry.
  4. Spray the coils and rotary blades with coil cleaner and let it sit for a while (20 minutes will do the job).
  5. Rinse the cleaner with the water sprayer.
  6. Turn on the device and wait until the water from the unit is in the bag.
  7. Turn the device off again and clean the outside of the unit.

If you are handy, you can complete the entire cleaning process by yourself. However, no matter how confident you are, before every cooling season, call a professional to clean the air conditioner and check whether it works properly or if some parts need to be replaced.

call a professional

When to call a professional

Besides regular maintenance, situations that require professional intervention include:

  1. If you notice a strange smell coming from the air conditioner
  2. A refrigerant starts to leak
  3. The device does not work properly (cannot reach a certain temperature)
  4. The thermostat breaks
  5. When the device starts heating instead of cooling

If your air conditioner is still under warranty, even at the slightest hiccup, do not hesitate to contact the retailer or the manufacturer.

To recap…

During hot summers, an air conditioner can make such a difference and really help us get through the day. It is then understandable why it is so important to maintain it on a regular basis, as per the recommendations of a manufacturer. Some parts can be maintained by users, for instance, the outdoor unit, filter and coils. However, before every season, contact the air conditioning service provider in your area to come and maintain your air conditioner, check if it works, and whether the filter should be replaced.

Top 22 how to clean an air conditioner edit by Top Q&A

How to Clean a Room Air Conditioner

  • Author: familyhandyman.com
  • Published Date: 08/04/2022
  • Review: 4.86 (777 vote)
  • Summary: Apply Foam Cleaner · Shoot the spray over the entire surface of both coils and let the foam do the work for you. · If the buildup is heavy, brush …

Your air conditioner is full of mold and bugs—here&39s how to clean it

  • Author: reviewed.usatoday.com
  • Published Date: 02/11/2022
  • Review: 4.42 (383 vote)
  • Summary: How to clean your air conditioner · Step 1. Unplug it · Step 2. Remove and clean the filter · Step 3. Remove the casing. · Step 4. Mop up any excess …
  • Matching search results: You can use the same vinegar mix to clean that series of tubes in the back of the unit. These are called condenser coils and they help remove heat from the air inside your home. Dust build-up here just means the A/C will be operating at a lower …

How to Clean Your Window AC Unit

  • Author: cnet.com
  • Published Date: 04/22/2022
  • Review: 4.23 (524 vote)
  • Summary: Gather your AC cleaning materials · Warm water · Mild soap or detergent · Reusable cloth · Drip tray to place beneath your unit · Spray bottle filled …
  • Matching search results: Finish the interior clean of your window AC unit by emptying the drip tray and clearing the drain. To remove debris or dirty water from your tray, grab a wet-dry vacuum (if you have one) or a damp cloth and pull out everything that’s collected …

How to clean your air conditioner using WD-40?

  • Author: wd40.in
  • Published Date: 12/10/2022
  • Review: 4.09 (357 vote)
  • Summary: Next, spray a generous amount of WD-40 in the cooling fins of the A/C, going from left to right. Let the solution sit for 15-20 minutes. This cleaning agent …
  • Matching search results: Finish the interior clean of your window AC unit by emptying the drip tray and clearing the drain. To remove debris or dirty water from your tray, grab a wet-dry vacuum (if you have one) or a damp cloth and pull out everything that’s collected …

How to Clean Your Air Conditioner So It Runs Like New All Summer

  • Author: realsimple.com
  • Published Date: 11/22/2022
  • Review: 3.88 (291 vote)
  • Summary: Clean the coils. Brush away dirt from the coils with a soft brush or cloth. Then clean away any additional dirt with a spray bottle filled with …
  • Matching search results: Finish the interior clean of your window AC unit by emptying the drip tray and clearing the drain. To remove debris or dirty water from your tray, grab a wet-dry vacuum (if you have one) or a damp cloth and pull out everything that’s collected …

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6 DIY Ways to Clean Your Air Conditioner To Keep Your House Cool

  • Author: aircondservicepenang.com
  • Published Date: 12/18/2022
  • Review: 3.62 (281 vote)
  • Summary: 1. Clean or replace the filter … The filter is one of the most important parts of the air conditioner, as it helps to remove dust and dirt from the air. If the …
  • Matching search results: The filter is one of the most important parts of the air conditioner, as it helps to remove dust and dirt from the air. If the filter is dirty, it can cause the AC to work harder and reduce its efficiency. Rinse it with warm water and a mild …

8 Steps to Clean Your Air Conditioner So It Sparkles Inside and Out

  • Author: angi.com
  • Published Date: 09/25/2022
  • Review: 3.47 (591 vote)
  • Summary: Spray bottle. Mild soap or detergent ; No-rinse foaming coil cleaner. Replacement filter ; Gently brush the AC coils and fins using a soft brush.
  • Matching search results: The more you run your system, the more dirt and debris will clog up your filter. Change your air conditioner filter at least every three months. Since dirty air ducts will muck up the cleanest air conditioning units, hire a local air duct cleaner if …

How to clean your air conditioner

  • Author: canstarblue.com.au
  • Published Date: 03/02/2022
  • Review: 3.26 (484 vote)
  • Summary: A good cleaner will help break down grime so you can easily remove it by rinsing or wiping. Air conditioner cleaner can be purchased at a …
  • Matching search results: You can choose to make a homemade cleaner or buy a commercial cleaner to help clean your AC coils. A good cleaner will help break down grime so you can easily remove it by rinsing or wiping. Air conditioner cleaner can be purchased at a hardware …

MANNOL Air Conditioner Cleaner 9971

  • Author: mannol.de
  • Published Date: 05/21/2022
  • Review: 3 (492 vote)
  • Summary: Air Conditioner Cleaner – the latest development: a special foam cleaner for air conditioners that provides the maximum degree of cleaning, …
  • Matching search results: You can choose to make a homemade cleaner or buy a commercial cleaner to help clean your AC coils. A good cleaner will help break down grime so you can easily remove it by rinsing or wiping. Air conditioner cleaner can be purchased at a hardware …

How to clean your air conditioner filter

  • Author: mitsubishielectric.com.au
  • Published Date: 09/04/2022
  • Review: 2.89 (89 vote)
  • Summary: Let’s now clean an Air Filter. This should be performed every two weeks. With the front panel open, unclick the Air Filter and remove. Light dust can be removed …
  • Matching search results: 1. Before cleaning your heat pump, switch it off to ensure safety. The main power isolation switch is generally found on the outdoor unit. If you are having trouble locating this switch, please call your local air conditioning service company for …

How To Clean Your Split AC Indoor Unit At Home?

  • Author: redsea.com
  • Published Date: 12/26/2022
  • Review: 2.71 (81 vote)
  • Summary: Step 1: Dry the Air-conditioner · Step 2: Disconnect the Unit from its Power Source · Step 3: Cover the Unit with a Cleaning Bag · Step 4: Detach the Front Panel.
  • Matching search results: Once you fix all the parts back safely, it is essential to reconnect the unit to the power source and check if the AC is running properly. Set it on maximum cooling and run the AC for around 15-20 minutes to drain out all the dirty water that is …

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How To Clean An Air Conditioner Filter – StuyTown

  • Author: stuytown.com
  • Published Date: 09/06/2022
  • Review: 2.76 (74 vote)
  • Summary: Turn off and unplug the air conditioner. · Take out the filter (easily accessible in the front) and use a damp rag to wipe off any dust. · When …
  • Matching search results: Once you fix all the parts back safely, it is essential to reconnect the unit to the power source and check if the AC is running properly. Set it on maximum cooling and run the AC for around 15-20 minutes to drain out all the dirty water that is …

How To Clean Your Air Conditioner Unit Yourself!

  • Author: hvac.com
  • Published Date: 10/19/2022
  • Review: 2.53 (173 vote)
  • Summary: Cleaning your interior air conditioning components · IMPORTANT! · Remove your furnace filter and replace with a new one if necessary. · Open the …
  • Matching search results: Here at HVAC.com, we believe that the best approach is to work with a local, trustworthy heating and air conditioning contractor. However, if you’re the do-it-yourself type, you can clean your air conditioner unit with these essential maintenance …

How to clean a window AC unit inside and out to increase its efficiency and cooling capacity

  • Author: insider.com
  • Published Date: 03/05/2022
  • Review: 2.56 (75 vote)
  • Summary: You can clean the front evaporator coils by removing the filter and front grill of your window AC. Use compressed air to blow dust and debris …
  • Matching search results: To remove the case, you will need a screwdriver. “Take out any screws that you see around the case, usually they’re going to be more toward the bottom around the edges,” said Drago. Once you’ve removed the necessary screws, you can remove the …

Step-By-Step Guide: How to Clean An Air Conditioner

  • Author: snellheatingandair.com
  • Published Date: 05/30/2022
  • Review: 2.35 (176 vote)
  • Summary: Step 1) Deactivate the Power Supply · Step 2) Clean or Replace Air Conditioning Filters · Step 3) Clean the AC Condenser Coils · Step 4) Clean and …
  • Matching search results: To help keep your air conditioning in pristine condition, the technicians at Snell Heating & Air Conditioning will come to your home and perform routine maintenance. Our team of certified HVAC technicians offer air conditioning repair, …

DIY Guide to Cleaning Your Air Conditioner (Indoor & Outdoor Units)

  • Author: maidforyou.com.au
  • Published Date: 07/30/2022
  • Review: 2.27 (110 vote)
  • Summary: A mild cleaning solution consisting of liquid dishwashing and water can be used to clean AC coils effectively. For the application, use a commercial sprayer …
  • Matching search results: You’ve probably learnt how to clean air filters in your air conditioner, and why it’s important, but when it comes to maintaining the overall functioning of your indoor unit, more needs to be done. There are important internal parts of your AC unit …

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How to clean an air conditioner – according to an expert |

  • Author: homesandgardens.com
  • Published Date: 05/14/2022
  • Review: 2.2 (74 vote)
  • Summary: How to clean an air conditioner – the expert method for a cool, efficient unit · 1. Turn the power off · 2. Replace or clean the filters · 3. Clean …
  • Matching search results: You’ve probably learnt how to clean air filters in your air conditioner, and why it’s important, but when it comes to maintaining the overall functioning of your indoor unit, more needs to be done. There are important internal parts of your AC unit …

How to Clean an AC Filter

  • Author: hgtv.com
  • Published Date: 10/31/2022
  • Review: 2.06 (126 vote)
  • Summary: How to Clean Your Air Filter · Step 1: Turn Off Your AC Unit · Step 2: Remove the Filter · Step 3: Vacuum the Filter · Step 4: Wash the Filter · Step 5: Reinstall …
  • Matching search results: You’ve probably learnt how to clean air filters in your air conditioner, and why it’s important, but when it comes to maintaining the overall functioning of your indoor unit, more needs to be done. There are important internal parts of your AC unit …

How to Clean a Window Air Conditioner

  • Author: thespruce.com
  • Published Date: 01/14/2023
  • Review: 2.05 (173 vote)
  • Summary: Spray down the interior cabinet and exterior housing with hydrogen peroxide, and use a cloth or rag to wipe down everything that you can reach.
  • Matching search results: You’ve probably learnt how to clean air filters in your air conditioner, and why it’s important, but when it comes to maintaining the overall functioning of your indoor unit, more needs to be done. There are important internal parts of your AC unit …

The Right Way to Clean an Air Conditioner’s Outdoor Coil

  • Author: pvhvac.com
  • Published Date: 04/29/2022
  • Review: 1.91 (122 vote)
  • Summary: Spray the coil with cleaning chemicals. There are special, manufacturer-approved cleaning chemicals designed just for air conditioner coils. After rinsing the …
  • Matching search results: Most people are familiar with their air conditioner’s outdoor coil because it’s a component they can see. While the indoor coil often resides within the confines of a basement, crawlspace, or attic, the outdoor coil is outside and on full display to …

5 DIY WAYS TO CLEAN AN AIR CONDITIONER

  • Author: coolearth.com.sg
  • Published Date: 10/04/2022
  • Review: 1.78 (194 vote)
  • Summary: Run the vacuum cleaner over the entire surface of the unit to remove any dust and insects on a daily basis. Once a week remove the front cover …
  • Matching search results: While a vacuum cleaner is not ideal for deep cleaning your air conditioner, it is the simplest and easiest way to keep the surface and exposed parts of the system dust free without entirely dismantling the unit. Run the vacuum cleaner over the …

How to Clean Your Aircon in 5 DIY Ways – Easy Way to Save!

  • Author: luceaircon.sg
  • Published Date: 03/27/2022
  • Review: 1.67 (185 vote)
  • Summary: The simplest way to clean your air conditioner unit is by using a vacuum cleaner. While this isn’t ideal for a deep and thorough clean, it’s …
  • Matching search results: On the other hand, if you want fast, easy and professional AC services, leave it to us here at Luce Aircon! Our friendly team of aircon service technicians and experts will make sure that your unit gets the cleaning action that it deserves in no …

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