How to fix AC leak and mold smell in apartment?« Back to Previous Page

The AC in my apartment in Jumeirah seems to be leaking a small amount of water onto the carpet, and now there’s a really strong, damp smell coming from the vent whenever it kicks on. It’s been like this for about two weeks and seems to have gotten worse since the humidity spiked. I’m worried this is a mold chiller issue. What’s the best way to get this cleaned and treated to stop the smell and prevent it from happening again?
Posted by Khaled Jaber
Asked on March 23, 2026 11:43 am
Based on your description, this is a classic case of a "moldy chiller" or microbial growth within your AC system, exacerbated by the high humidity we're experiencing in Dubai. The leak is likely from a clogged condensate drain line, providing the constant moisture mold needs to thrive on the coil and in the drip pan.

First, shut off the AC unit at the circuit breaker to prevent further electrical issues and moisture spread. Do not attempt to handle the internal components yourself, as disturbing the mold can aerosolize spores throughout your apartment.

In the UAE, AC systems are a primary source of indoor air quality issues, and this requires a professional two-step process: remediation followed by HVAC hygienization. We must first identify the moisture source (likely the blocked drain line) and fix it to prevent recurrence. Then, a certified technician will need to access the internal evaporator coil, drip pan, and air ducts to apply specialized EPA-approved biocides and anti-microbial coatings that are approved for use in HVAC systems. This isn't a simple cleaning; it's a targeted remediation process.

Given the strong smell and visible leak, this is beyond a DIY fix. Improper handling can violate Dubai Municipality's public health regulations concerning indoor air quality and contaminant spread.

For a proper inspection and a permanent solution to stop the smell and protect your health, you need a specialist. Call our team at 800-MOLDS (800-66537) or email hello@saniservice.com for an immediate assessment. We'll identify the exact cause and provide a certified hygienization protocol to make your apartment safe again.
Posted by Sani Admin
Answered on March 25, 2026 11:09 pm