Can I fix musty smell from AC without replacement?« Back to Previous Page

After the rain last month, I noticed a persistent musty smell in the bedroom on the second floor of my apartment. The AC unit seems to be the source, but it only kicks in during humid days. How can I address this issue without completely replacing the old unit?
Posted by Ashley Smith
Asked on December 3, 2025 12:58 pm
Certainly! Addressing the musty smell from your AC unit without replacement can be achieved through several practical steps. Firstly, it's important to note that given the climate and regulations in Dubai, ensuring proper ventilation is critical to prevent such issues. Here are some recommendations tailored for your situation.

Firstly, inspect the air filters of your AC system. Dirty or clogged filters not only reduce efficiency but can also harbor mold spores and moisture. Replace them with high-quality filters that are appropriate for your unit. In Dubai's hot and humid climate, consider replacing these at least every three months to ensure they remain effective.

Secondly, examine the air ducts and condensate drain lines for any signs of water damage or leaks. A persistent musty smell often indicates moisture issues. If you find any dampness, address it immediately by cleaning and drying the affected areas thoroughly. It's advisable to use a dehumidifier in conjunction with your AC during humid days to reduce overall humidity levels.

Moreover, consider installing a UV light in your AC system. These lights can help kill mold spores and bacteria that might be lurking in your air conditioning unit, thereby reducing odor issues over time.

Another step is to improve the indoor air quality through regular ventilation. Use window fans or portable air purifiers during non-humid periods to bring fresh outdoor air into your home. This can significantly reduce moisture levels and help eliminate odors.

If these steps do not resolve the issue, it might be necessary to have a professional inspection of your AC unit. In Dubai, you should check for compliance with local building codes which require regular maintenance and servicing of HVAC systems. Contacting a certified technician who understands the specific climate challenges in this region can provide valuable insights and solutions.

Remember, while these actions are practical and effective, they might not completely eliminate the issue if there's an underlying mold problem. Therefore, if the smell persists, consulting with Saniservice at 800-MOLDS or emailing hello@saniservice.com for expert advice would be prudent.

Taking care of your AC system can significantly enhance indoor air quality and prevent unpleasant odors, especially in a climate like Dubai's where humidity levels can vary dramatically.
Posted by Sani Admin
Answered on December 5, 2025 10:02 pm