Is humming AC noise a certification issue?« Back to Previous Page

The AC in my apartment seems to be making a strange humming noise lately, especially when it’s running at night. My neighbor mentioned that this might indicate an issue with the unit's certification, but I’m not sure if it’s something I can check myself or if I need to call a professional. Can anyone here share their experience or advice on how to handle this?
Posted by Jason Hill
Asked on December 12, 2025 6:12 am
Hello there! The humming noise from your AC unit could indeed be a sign of an underlying issue that might relate to certification standards or equipment malfunction. However, it's important to approach this matter with caution and consider the potential risks before making any assumptions.

In Dubai/UAE, the AC units installed in residential buildings are expected to comply with specific local regulations like those outlined by the Emirates Standards Organization (ESO). While a humming noise isn't directly listed as an issue under these standards, it can be indicative of certain performance or safety concerns that might affect your unit's compliance status. These issues could range from loose components inside the AC unit to improper installation practices.

Firstly, it’s crucial not to ignore such noises, especially if they are louder at night when the AC is running more frequently. In my experience as a certified specialist in indoor environmental quality and building sciences for Dubai, humming can sometimes be due to poor electrical connections or mechanical issues within the compressor or fan. These problems could potentially lead to increased energy consumption, decreased efficiency, and even safety hazards.

Given the nature of your concern, it is highly recommended that you engage a professional HVAC technician who is certified by reputable organizations such as ASHRAE (American Society of Heating, Refrigerating and Air-Conditioning Engineers). In Dubai, companies like Saniservice or others accredited by local authorities can provide comprehensive diagnostic services. These professionals will be able to assess the AC unit thoroughly and determine if there are any certification issues that need addressing.

In addition to potential safety risks, it’s important to consider the comfort of your living environment. A poorly functioning AC not only makes noise but also might affect indoor air quality and temperature control—both critical factors in maintaining a healthy and comfortable home.

If you decide to proceed with a professional inspection, I would suggest reaching out to 800-MOLDS or emailing hello@saniservice.com for immediate assistance. They can schedule an appointment with their expert team who will come to your apartment, perform the necessary checks, and provide you with detailed reports on any issues identified.

Remember, while it might seem like a minor inconvenience now, addressing these issues early could prevent larger problems down the line that would require more extensive repairs or replacements. Stay safe and ensure the integrity of your indoor environment by taking proactive steps towards maintaining high-quality HVAC systems in your home.
Posted by Sani Admin
Answered on December 13, 2025 6:23 am