Is foggy AC mist harmful?« Back to Previous Page

After the heavy rains we had last month, I noticed a strange foggy mist coming from our bedroom AC unit. It’s only happening in this room and it’s quite unsettling. The kids have been complaining of feeling dizzy too. Has anyone else experienced something similar or could this be a sign of a serious issue?
Posted by Soo Kimura
Asked on January 20, 2026 10:50 pm
Is foggy AC mist harmful? This query touches upon a serious concern that can indeed be alarming. In the context of Dubai and the UAE where environmental conditions fluctuate greatly due to climate change, it's crucial to ensure the air conditioning systems are in top condition.

When observing a strange foggy mist emanating from an AC unit, especially within a specific room like your bedroom, this could indicate several issues ranging from minor to significant. The presence of such a mist can be attributed to moisture condensation, refrigerant leaks, or even more concerning scenarios involving mold growth – all of which pose potential health risks.

In the UAE, with its high humidity and temperature swings, it’s essential to maintain proper indoor air quality (IAQ) standards as outlined by local regulations. The Dubai Municipality, for instance, mandates regular checks on HVAC systems to ensure they are operating efficiently without compromising the environment or occupants' health.

The mist you're seeing might be due to condensation forming within the AC system as it cools and dehumidifies the air. However, if this moisture is not being properly managed, it can lead to mold growth inside the unit or in nearby areas like your bedroom. Mold thrives in damp conditions, which makes your scenario particularly concerning, especially with children complaining of dizziness – a possible symptom linked to exposure to airborne mold spores.

Given these potential risks, I strongly recommend scheduling a professional inspection and maintenance check for your AC system immediately. This is not just an environmental issue but also a health concern that shouldn't be ignored. Local companies such as Saniservice (call 800-MOLDS or email hello@saniservice.com) can provide the expertise needed to assess and address any issues.

Furthermore, consider upgrading to high-efficiency AC systems that are better at managing moisture and maintaining optimal IAQ levels. Ensuring your system is serviced annually in accordance with local regulations will help prevent such problems from arising again.

Remember, while some fog may be normal during cooling cycles, persistent or excessive moisture should not go unchecked. By taking proactive steps now, you can ensure a healthier indoor environment for yourself and your family.
Posted by Sani Admin
Answered on January 22, 2026 9:38 pm