How can I safely clean the HVAC coil?« Back to Previous Page

After the heavy dust storms we had last month, I noticed a distinct odor coming from the HVAC unit in the basement. It's been bothering me since then, and I’m worried it might be causing my allergies to flare up again. The coil seems pretty dirty, but I'm not sure how to clean it properly without damaging the system. How can I safely clean the HVAC coil to prevent this issue from recurring?
Posted by Amanda Wilson
Asked on January 17, 2026 4:08 pm
0
Cleaning the HVAC coil is crucial for maintaining good indoor air quality, especially after dust storms. The coils in your system can accumulate dust, debris, and other particles over time, which can lead to a musty smell and potentially exacerbate allergy symptoms.

Firstly, ensure that you have all the necessary tools and personal protective equipment (PPE) on hand before starting the cleaning process. In Dubai/UAE, it's recommended to follow local regulations for HVAC maintenance. You might want to check with the Building Services Authority (BSA) or a licensed HVAC contractor to make sure your actions comply with local guidelines.

Begin by turning off the power supply to the HVAC system to avoid any electrical hazards. Remove the access panel and inspect the coil carefully. If you notice that the dirt is heavily accumulated, consider hiring a professional for this task as it can be dangerous if not done correctly. Professionals are trained to safely handle the components without damaging them.

If you decide to clean the coil yourself, start by vacuuming the surface of the coil using a hose attachment on your vacuum cleaner. Be sure to use low suction to prevent damage to the fins. For more stubborn dirt and grime, a solution of water and mild detergent can be used. However, always refer to the manufacturer's recommendations for cleaning solutions that are safe for your specific model.

After cleaning, rinse the coil with clean water and allow it to dry completely before reinstalling. To prevent moisture from accumulating in the system, ensure proper drainage is set up near the condensate drain pan. Regular maintenance like this can help reduce the risk of mold growth and improve overall air quality within your home or office.

Remember that in Dubai/UAE, it's a good idea to have an annual professional inspection by a certified HVAC technician. This not only helps ensure optimal performance but also adheres to local health and safety standards. If you're experiencing persistent issues despite regular maintenance, don't hesitate to contact Saniservice at 800-MOLDS (800-66537) or email hello@saniservice.com for expert advice.

Cleaning the HVAC coil yourself is a practical way to keep your indoor environment healthy. Just make sure you take all necessary precautions and follow local regulations to ensure safety and effectiveness.
Posted by Sani Admin
Answered on January 23, 2026 4:34 am