How To Remove Musty Smell From Air Conditioner

When a musty smell builds and starts releasing from your air conditioner it can be both gross and annoying. Not only does it make your indoor environment unpleasant, but it could also indicate potential health hazards such as mold and mildew growth. If you notice weird smells coming from your AC unit, it’s best to act quickly to remove the smell and avoid any possible health concerns that come with it.



In this post we’ll cover what may be causing such a smell to come from you AC, ways to handle it, and prevention steps.

Before we dive into the solutions, it's important to understand why your air conditioner may start emitting a musty odor.

The most common culprits are mold and mildew growth, clogged filters, stagnant water, or dirty evaporator coils. These issues can occur due to various factors, including high humidity levels and improper maintenance. Not only does the musty smell affect the overall air quality in your home, but it can also trigger allergies and respiratory problems if left unaddressed.

Let's look closer at some of the causes & how to take action:

Mold Or Mildew Growth

If you already notice a musty smell from your air conditioner, there might be mold or mildew lurking within the system. To address this issue, carefully inspect the unit for any visible signs of mold or mildew, such as dark spots or discoloration. If you find any, follow these steps to clean the affected areas:

1. Turn off the air conditioner and unplug it from the power source for safety.
2. Mix a solution of equal parts water and vinegar or use a mild detergent.
3. Use a soft cloth or brush to gently scrub the affected areas with the cleaning solution.
4. Wipe away any excess moisture and let the unit dry thoroughly before turning it back on.

Remember to wear gloves and a mask while cleaning to protect yourself from potential allergens or irritants.

Stagnant Water

Stagnant water in your air conditioner can create an ideal environment for mold and mildew to thrive. Check the condensate drain and ensure it's not clogged or blocked. If you notice water pooling around the unit, it might be a sign of a drainage problem. Here's what you can do to eliminate stagnant water:

1. Turn off the air conditioner and unplug it from the power source.
2. Locate the condensate drain and use a wet/dry vacuum to remove any standing water.
3. Check for clogs or blockages in the drain pipe and clear them if necessary.

Preventive Tips To Avoid Musty Smells In Your AC

Regular Cleaning And Maintenance

Prevention is key when it comes to musty smells in your air conditioner. Regular cleaning and maintenance will help keep your unit in optimal condition and reduce the likelihood of mold and mildew growth. Start by cleaning or replacing the air filters every few months, depending on your usage and the manufacturer's recommendations. Dirty filters can harbor mold spores and impede proper airflow, leading to the musty smell.

Air Purifiers and Dehumidifiers

Investing in an air purifier can greatly improve indoor air quality by capturing airborne particles, including mold spores and other contaminants that contribute to the musty smell. Look for air purifiers with HEPA filters, as they are highly effective at removing even the tiniest particles.

Additionally, using a dehumidifier can help control indoor humidity levels and prevent mold growth. By reducing excess moisture in the air, you create an inhospitable environment for mold and mildew.

Make Sure There Is Proper Air Circulation

Proper ventilation and air circulation are vital in preventing musty smells in your air conditioner. Make sure that the area around the AC unit is clear of obstructions to allow for sufficient airflow. You can also use ceiling fans or portable fans to ensure the air circulates effectively throughout your living space.



Other ways to prevent an odor from growing:

• Keep the area around the air conditioner clean and dry
• Use anti-mold treatments for added protection
• Schedule regular professional inspections and maintenance for your air conditioning system

Let Suburban Heating And Cooling Take Care Of Your Air Conditioning

A musty smell coming from your air conditioner is a sign that quick action should be taken. By following the steps outlined in this blog post, you can effectively remove musty smells and prevent them from returning in the future. Remember that regular maintenance and cleaning are essential for keeping your air conditioner in top-notch condition.

If you need expert assistance with AC repair and maintenance, don't wait to contact Suburban Heating And Cooling. Our team of professionals is ready to help you breathe cleaner, fresher air in your home!