Quick and Easy Tricks to Eliminate Bad Smell from Air Conditioners

Sunday, June 21, 2026

SAEDNEWS: If you turn on the air conditioner and notice a bad smell, don’t worry. You can easily get rid of this odor using a very simple method without any special skills.

Quick and Easy Tricks to Eliminate Bad Smell from Air Conditioners

According to SAEDNEWS, Have you ever turned on your air conditioner after a few months and noticed an unpleasant smell? This is very common, especially in hot summer days, because leftover moisture inside the AC can cause bad odors.

The device itself does not produce the smell; rather, different factors contribute to it.

In this section, we explain how you can remove the bad smell from your air conditioner.

Cleaning the filter

A dirty filter is the main cause of bad smell in air conditioners. These filters purify the air and help prevent the growth of bacteria and microbes so that the device is not damaged. To remove the bad smell, simply clean it: wash it with warm water and wipe it with a cloth so that dirt and bacteria are removed.

Air Conditioner

Cleaning the Indoor Unit

Cleaning the filters helps eliminate bad odors, but you should also pay attention to other parts of the air conditioner that may be responsible for the smell. Focus especially on the ducts and clean the inside of the unit as well. For this, you should use special disinfectant products designed for air conditioners.

Drying and Cleaning Moisture Drops

The air conditioner works by removing moisture from the air to cool the environment. What you need to do is dry and clean any water droplets inside the unit, because their accumulation can lead to unpleasant odors.

Proper Cleaning of the Drain Tray (Drain Path)

As explained earlier, the moisture absorbed from the environment by the air conditioner is discharged through the drainage system. Beneath this drainage section, there is a tray where this moisture collects. This area is usually dark and humid, which itself can cause bad odors in the air conditioner. Therefore, to remove the unpleasant smell, you should thoroughly wash both the tray and the drainage (drain) line.

Maintaining Indoor Air Quality

As mentioned before, the air conditioner works by circulating air. You should also pay attention to the quality of the air inside your home. For example, hookah smoke, cigarette smoke, leftover food, and garbage can all make indoor air dirty and smelly. So it is important to keep your home environment clean to help maintain fresh air.