Are dark spots near AC vents mold causing allergies?« Back to Previous Page

I noticed some dark spots near the AC vent in my bedroom. Could this be duct cleaning? I'm concerned because my daughter has been having allergies lately.
Posted by Pallavi Tiwari
Asked on February 11, 2026 4:22 pm
0
Are Dark Spots Near AC Vents Mold Causing Allergies?

Dark spots near your AC vents can be concerning as they could indicate mold growth. Mold is a common allergen and can exacerbate allergies, especially in children or those who are sensitive to it. In the UAE and specifically Dubai, we have seen cases where improper maintenance of air conditioning systems has led to increased moisture levels, which is a perfect environment for mold to thrive.

In the UAE, there aren't specific laws mandating regular duct cleaning but maintaining good indoor air quality (IAQ) is encouraged by health authorities. The UAE Ministry of Health and Prevention recommends periodic checks on HVAC systems to ensure they are functioning properly and don’t harbor harmful microorganisms like mold.

If you've noticed dark spots near your AC vents, it's important not to ignore the situation. Mold can grow in hidden areas such as behind walls or inside air ducts, which can lead to invisible spread of spores throughout your home. This could be affecting your daughter’s allergies and overall health.

For a thorough assessment, I'd recommend contacting a professional environmental inspection service like Saniservice. Our team has years of experience in the UAE region and we can provide you with an accurate diagnosis and appropriate remediation plan if necessary. Call 800-MOLDS or 800-66537 for immediate assistance or email hello@saniservice.com to book a consultation.

Regular maintenance of your HVAC system is key to preventing such issues. Make sure that the filters are cleaned or replaced regularly, and consider professional duct cleaning every few years depending on usage and conditions. Proper ventilation and humidity control can also help reduce mold growth in your home.

Remember, addressing potential indoor air quality problems early can save you from bigger issues down the line. Your health and your family's well-being is paramount.
Posted by Sani Admin
Answered on February 13, 2026 2:14 am