Why Does Your Portable Air Conditioner Smell Like Mildew?

How to Remove a Mildew Smell From a Window Air Conditioner Dengarden
How to Remove a Mildew Smell From a Window Air Conditioner Dengarden from dengarden.com

Understanding the Cause

Have you noticed an unpleasant smell coming from your portable air conditioner? If it smells like mildew, there’s a reason behind it. Portable air conditioners work by pulling air from the room, cooling it, and then circulating it back. During this process, moisture in the air condenses on the cold evaporator coils. If not properly drained or if the unit is not cleaned regularly, this moisture can lead to the growth of mold and mildew, resulting in that musty odor.

Preventing the Smell

To prevent your portable air conditioner from smelling like mildew, there are a few steps you can take:

1. Clean the Unit Regularly

Regular cleaning is essential to keep your portable air conditioner functioning properly and smelling fresh. Start by turning off the unit and unplugging it. Remove the filter and wash it with mild soap and water. Let it dry completely before reinstalling it.

2. Empty the Water Tank

Many portable air conditioners have a built-in water tank that collects condensate. Make sure to empty it regularly to prevent the growth of mold and mildew. Refer to the manufacturer’s instructions for guidance on how to do this.

3. Check the Drainage System

Some portable air conditioners come with a drainage hose or a condensate pump. Check to see if yours has one and ensure it is properly connected and functioning. If not, consider investing in a condensate pump to help remove excess moisture.

4. Keep the Surrounding Area Clean

Mold and mildew thrive in damp environments. Keep the area around your portable air conditioner clean and dry. Regularly wipe down surfaces and remove any standing water to discourage the growth of mold and mildew.

Removing the Smell

If your portable air conditioner already smells like mildew, there are a few steps you can take to eliminate the odor:

1. Use Vinegar

Mix equal parts of white vinegar and water in a spray bottle. Spray the solution onto the evaporator coils and other interior surfaces of the unit. Let it sit for a few minutes, then wipe away the residue with a clean cloth.

2. Use Baking Soda

Baking soda is known for its odor-absorbing properties. Sprinkle some baking soda on the filter and let it sit for a couple of hours. Then, vacuum or wipe away the baking soda. This can help neutralize the smell.

3. Consult a Professional

If the smell persists despite your efforts, it’s best to consult a professional. They can assess the situation and provide specialized cleaning or repair services if needed.

Conclusion

A portable air conditioner that smells like mildew can be unpleasant and a potential health hazard. By following regular cleaning and maintenance practices, you can prevent this issue and ensure that your portable air conditioner operates efficiently while providing fresh, clean air for your space.