Should I worry about musty smell near HVAC?« Back to Previous Page

After the intense heatwave last summer, we’ve noticed a strange musty smell coming from the area near our bedroom window. It’s particularly noticeable when the AC is on high during the night. The filters seem clean enough, but I’m worried it might be something deeper in the vents or zones of the HVAC system. How urgent is this issue and what should I do to address it before it gets worse?
Posted by Sakura Zhu
Asked on December 14, 2025 9:15 am
0
Absolutely, the musty smell near your HVAC system is something that shouldn't be overlooked. In Dubai and the UAE, such issues can sometimes point to mold growth within the ventilation ducts or other parts of the heating, ventilation, and air conditioning (HVAC) system. This isn't just an unpleasant odor but could potentially indicate health risks for you and your family.

Firstly, it's important to know that in the UAE, particularly in Dubai, there are specific regulations regarding indoor air quality and HVAC systems. These guidelines ensure not only comfort but also safety from pollutants including mold. The musty smell is a strong indicator of something being amiss within your system.

Given the recent heatwave, high humidity can create ideal conditions for mold growth. This is especially concerning as you noted the smell becomes more pronounced when the AC is on high during nighttime. It’s crucial to investigate this sooner rather than later to avoid potential health issues such as respiratory problems or allergies.

I'd recommend a thorough inspection of your HVAC system by professionals, who can use specialized equipment to check for mold and other contaminants deep within the ducts. In Dubai, companies like Saniservice are well-regarded for their expertise in indoor environmental quality checks and remediation services. Contacting them through 800-MOLDS or emailing hello@saniservice.com could be a smart move.

In the meantime, you can take some basic steps to help mitigate the issue:
1. Ensure all vents are clean and not obstructed.
2. Run your AC regularly even when you're not at home to keep humidity down in your living spaces.
3. Check for any visible signs of water damage or moisture around your HVAC unit.

Remember, addressing this promptly can save both money on potential repairs and ensure a healthier indoor environment for yourself and your family.
Posted by Sani Admin
Answered on December 15, 2025 12:07 pm