Could dark spots near AC vent be mold?« 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 Ana Kaminski
Asked on December 24, 2025 3:19 am
0
Hey there! Greetings from Saniservice. I'm glad you reached out about those dark spots near your AC vent. It's understandable to be concerned, especially if your daughter has been having allergies lately.

First off, let me tell you that those dark spots could indeed be a sign of mold growth. Mold spores are commonly found in indoor environments and can thrive in damp or humid conditions – perfect for spots behind vents where airflow may not always reach optimally.

In the UAE, particularly Dubai, we experience varying climatic conditions throughout the year which can contribute to higher humidity levels indoors, especially during summer months. This makes it crucial to keep an eye on your air conditioning system and ductwork for any signs of moisture or mold growth.

Now, here’s what you should know:

1. Regulations & Standards: According to UAE standards, regular maintenance checks are recommended every 2-3 years for HVAC systems in residential buildings to prevent issues like mold growth. The Building Services Regulation 9/04 outlines the mandatory periodic inspections and cleaning of AC units.

2. Professional Assessment: Given your concerns about your daughter's allergies, it would be wise to get a professional assessment done by Saniservice. Our team can conduct an inspection to determine if there is active mold growth in your ductwork or elsewhere in your home. We also offer comprehensive air quality testing to ensure your family’s safety.

3. Immediate Actions: In the meantime, avoid touching or cleaning those spots yourself as this may spread spores further. Instead, try to keep the area well-ventilated and monitor for any changes. If you notice a musty smell or more extensive discoloration, it's time to act quickly.

4. Prevention Tips: To prevent mold growth in your home:
- Ensure your AC filters are clean and replaced regularly.
- Keep humidity levels controlled – aim for 30-50% if possible.
- Properly seal any leaks or dampness issues around the house.
- Regularly inspect and clean your HVAC system.

Remember, prevention is key to maintaining good indoor air quality. If you decide to proceed with a professional inspection, we at Saniservice can provide a detailed report along with remediation options if needed. Don't hesitate to reach out – our contact number is 800-MOLDS or you can email us at hello@saniservice.com.

Wishing you and your family good health and clean air!
Posted by Sani Admin
Answered on December 29, 2025 4:40 pm