AC gurgling and leaking in bedroom, what's wrong?« Back to Previous Page

The AC in my master bedroom in our Marina apartment has started making this weird gurgling sound every time it cycles off, and it's driving us crazy at night. It's been doing it for about a week now and the room isn't getting as cold as it used to, even though the living room unit is fine. I just checked and noticed a small, dark damp patch on the wall right below the indoor unit. What could be causing this gurgling noise and the leak?
Posted by Nada Al-Zahrani
Asked on March 28, 2026 8:23 pm
Based on your description, this is a classic presentation of a blocked condensate drain line, a very common issue here in Dubai due to our high humidity and dusty environment. The "gurgling" sound you hear is trapped water and air struggling to drain, which then backs up and leaks, causing that damp patch. The reduced cooling efficiency is because the evaporator coil is likely partially frozen due to poor drainage and airflow.

The dark color of the damp patch is a major red flag. It suggests that the stagnant water has allowed microbial growth, likely mold, to form in the drain pan and line. This isn't just a maintenance issue; it's an indoor air quality concern. The mold spores can be aerosolized and circulated directly into your bedroom, which is a health risk, especially during sleep.

For a residential unit in a high-rise like Marina, this requires immediate professional attention. DIY attempts can cause water damage to your apartment and potentially the one below you, leading to significant liability. Our technicians use specialized equipment like compressed air jets and rotary brushes to clear the blockage, followed by an EPA-approved biocide treatment to disinfect the entire system and prevent regrowth, which is mandatory for proper remediation under UAE health and safety guidelines.

Given the leak and potential mold, you should get this inspected ASAP. Call our team at 800-MOLDS (800-66537) or email hello@saniservice.com for a diagnostic. We'll check the drainage, clean the system, and ensure your AC is operating safely and efficiently.
Posted by Sani Admin
Answered on March 31, 2026 6:58 pm