How to Use Vinegar to Clean Air Conditioner Coils

You’ve been using your air conditioner all summer, and it’s been working great…until now. Suddenly it’s not cooling your home as well as it used to, and you realize the coils are dirty. Don’t worry; we’re here to help.

In this article, we’ll show you how to clean the coils on your air conditioner using vinegar. This simple process only takes a few minutes and can help keep your AC system running smoothly. Let’s get started!

How to Use Vinegar to Clean Air Conditioner Coils

What You’ll Need to Get Started

To clean the air conditioner coils with vinegar, you’ll need the following:

  • a spray bottle
  • white vinegar
  • water
  • a sponge
  • a Phillips head screwdriver
  • a bucket
  • latex gloves

You’re ready to get started if you have these supplies on hand!

Preparing the Work Area

Before you start, you’ll need to gather some supplies and prepare the work area. Here’s what you’ll need:

  • Bucket or container to put the vinegar in
  • Spray bottle full of water
  • Rag or sponge
  • Wire brush
  • Screwdriver

Once you have everything ready, it’s time to get started.

Applying the Vinegar Solution

Soak a towel in the vinegar solution and completely cover the coils. Leave the towel for an hour, then remove and rinse with cold water. You can also use a garden hose to rinse off the coils—make sure you’re not spraying water directly into the AC unit.

Rinsing the Coils With Water

Now that your air conditioner coils have been cleaned with vinegar, it’s time to rinse them with water. This will help get rid of any excess vinegar and other debris that may be left behind. The best way to do this is to use a garden hose or a power washer if you have one available.

  Drywall tape Separating from the Ceiling.

Start by hosing down the coils from the inside out, ensuring to get the sides and back. This will help loosen any stubborn dirt or debris stuck on the coils. Make sure to pay special attention to any crevices or hard-to-reach areas since these are more likely to trap dirt and grime.

Once you’re done rinsing, use a microfiber cloth or soft brush to wipe away any water droplets on the coils. This will help ensure that all the dirt and grime are gone, making it easier for your air conditioner system to work its best!

Replacing Filters and Covers

Once you’ve cleaned the coils, it’s important to replace the filters and covers. This helps to maintain your air conditioner’s efficiency and air quality. Start by checking your manufacturer’s instructions to know what filters are right for your unit and how often they need to be replaced.

Once you have a new filter, gently wipe away any dust or debris from the filter holder before inserting the new filter. The filter should sit flush against the holder’s edges and not overlap in any places. When putting the cover back on, ensure all its screws are fully tightened so it can securely hold in place.

The great thing about this process is that it only needs to be done periodically–usually no more than once every six months or so–but keeping up with regular maintenance will help keep your air conditioner running optimally for years to come!

Avoiding Common Cleaning Mistakes

Remember a few things when you’re ready to clean your air conditioner coils. Firstly, avoid water and vinegar from getting directly onto the wiring. This could damage them and require repair or render the AC system unusable. To prevent this, use a solution of mild soapy water for the coils before rinsing them off with a moist cloth.

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Another mistake that’s easy to make is not allowing the evaporator coils enough time to dry off after cleaning. Dampness in these coils can lead to problems such as corrosion and mold growth, so always ensure they are completely dry before you turn your AC unit back on. Additionally, check if any blockages or damaged parts, like fan blades, need repair or replacement before returning them together.

Finally, always be mindful of safety precautions when working around electrical components or exposed wiring; disconnect power at the circuit breaker panel before beginning any cleaning process. These extra measures will ensure great results when cleaning your air conditioner coils and avoid costly repairs down the road!


If you’re having trouble with your AC, try cleaning the coils with vinegar and see if that helps. You may need to call a professional to look at your system if it doesn’t.

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