How rain can damage your AC and what you can do to prevent it
Rain brings relief from the summer heat, but it can also create problems for your AC. During the monsoon, the air becomes humid and makes it harder for an AC to remove moisture and cool the room efficiently. If the unit is not maintained properly, you may notice a bad smell, water leakage from the indoor unit or poor cooling than usual. Heavy rain can also affect the outdoor unit if it is exposed to standing water or dirt. The good news is that a few simple maintenance steps can help your AC work better. Keep reading to know common AC issues that can be caused during the monsoon season and how you can prevent them.
SurveyCommon AC problems during monsoon
- Bad smell: If you notice a bad smell coming from your AC, excess moisture may be the reason. Damp conditions inside the unit allow mold and bacteria to grow. As soon as the AC starts running, the smell spreads across the room.
- Water leakage: Water dripping from the indoor unit is another common problem you may face during monsoon. The AC collects more moisture from the humid air. If the drain pipe gets blocked, the water cannot flow out properly and starts leaking indoors.
- Reduced cooling performance: Many people notice that their AC does not cool the room effectively during the rainy season. High humidity makes the system work harder. Dirty air filters can make the problem even worse by reducing airflow. This can also increase electricity consumption.
- Outdoor unit damage: The outdoor unit also needs attention during the monsoon. Rainwater and waterlogging around the unit can lead to rust over time. Too much moisture near electrical parts may also increase the risk of damage.

Simple ways to protect your AC
- Use dry mode: Most ACs have a dry mode. This setting removes extra moisture from the air without making the room too cold. It helps control humidity.
- Clean the filters regularly: Dust and moisture can quickly block air filters during the rainy season. You should clean them every 15 to 30 days to maintain proper airflow. It also improves cooling and indoor air quality.
- Check the drain pipe: Check the drain pipe regularly to make sure water flows out without any blockage.
- Keep the outdoor unit safe: Install the outdoor unit on a raised platform if possible. This helps protect it from standing water. Also, remove leaves and dirt from around the unit.
- Set the right temperature: You should avoid setting the AC to very low temperatures. Temperature between 24 degree celcius and 26 degree celcius is enough for cooling the room.
Ayushi works as Chief Copy Editor at Digit, covering everything from breaking tech news to in-depth smartphone reviews. Prior to Digit, she was part of the editorial team at IANS. View Full Profile
