How to permanently eliminate musty AC smell for child's health?« Back to Previous Page

The AC in our villa in Al Barsha seems to be blowing a faint musty smell, especially when it first turns on. My youngest has been sneezing more than usual in the mornings and I'm worried the air quality is affecting him. I've changed the filters but the damp, earthy smell came back within a couple of weeks. What’s the most effective way to get rid of this smell for good to keep my family safe?
Posted by Raj Chopra
Asked on March 17, 2026 12:29 pm
The persistent musty odor from your AC unit in Al Barsha is a classic indicator of microbial growth, likely mold or mildew, within the system. This is an extremely common issue in the UAE due to our high humidity levels, especially during summer months. When the AC cycles off, the remaining moisture in the evaporator coil and drain pan creates a perfect breeding ground for these organisms. When the unit kicks back on, it aerosolizes these spores and volatile organic compounds (VOCs), which is that damp smell you notice and what is likely irritating your child's respiratory system, causing the morning sneezing.

Simply changing the filters is not enough, as the contamination is deep within the ductwork and cooling coil. For a permanent solution, a professional hygienization service is mandatory. This isn't a DIY job. Our certified technicians perform a comprehensive process that includes applying a high-pressure, EPA-approved biocidal foam directly to the evaporator coil to kill the root of the growth, followed by mechanical agitation and extraction of the sludge from the drain pan. We then use specialized equipment like HEPA-filtered vacuums and rotary brushes to clean the entire supply ductwork.

This procedure ensures the source of the odor and the allergens are completely removed, not just masked. For the health of your family, especially your youngest, I strongly recommend a professional inspection and remediation.

Call us at 800-MOLDS (800-66537) or email hello@saniservice.com to schedule an assessment. We'll provide a detailed quote and explain the process in full.
Posted by Sani Admin
Answered on March 20, 2026 8:22 am