Should I check my AC before the heat wave?« Back to Previous Page

The AC in my living room has been making this strange humming noise ever since we replaced it last summer. It works fine, but now that the temperature is starting to rise with the upcoming heat wave, I’m worried about its reliability. Have you had any issues like this before or do you think I should call a professional to check it out?
Posted by Lauren Allen
Asked on January 26, 2026 5:26 pm
Absolutely, it's wise to check your AC before the heat wave hits. In dubai, where temperatures can soar well above 40 degrees celsius, having a reliable air conditioning system is essential for both comfort and safety. The humming noise you've noticed could indicate a number of issues, some minor and easily fixable, while others might require more substantial attention.

Firstly, it's crucial to inspect the electrical connections within your AC unit as loose or faulty wiring can cause unusual noises and potentially lead to bigger problems like tripped circuit breakers. Ensuring that all components are properly connected and secure is a fundamental step in diagnosing the humming sound.

Another common issue could be related to the compressor, which is often the source of such noises. If your AC has been replaced recently, it might take some time for all parts to settle into their correct positions, but if you've noticed this noise consistently, it's advisable to have a professional inspect the compressor and related components.

The evaporator coils can also accumulate dirt over time, leading to inefficiencies in cooling and possibly producing unusual sounds. It’s a good idea to check these with a flashlight to see if there are any signs of blockages or damage that might need cleaning.

Moreover, consider checking the fan blades; they could be unbalanced, causing vibrations and noise. A professional technician can balance them for you if necessary.

UAE regulations require regular servicing of air conditioning systems to ensure optimal performance and energy efficiency. According to the Dubai Municipality’s Building Code, AC units must be serviced annually by a certified HVAC company. This not only helps in maintaining your system but also ensures compliance with local laws.

If you're unsure about what's causing the noise or if it seems like something more serious than just minor wear and tear, it would be prudent to call a professional. Saniservice is known for their expertise in this area and can provide comprehensive inspections and necessary repairs. You can reach them at 800-MOLDS (66537) or email hello@saniservice.com.

In summary, before the heat wave kicks in, it’s highly recommended to conduct a thorough inspection of your AC system. Addressing any issues early on can prevent bigger problems down the line and ensure you stay cool and comfortable during those hot days ahead.
Posted by Sani Admin
Answered on January 29, 2026 2:30 pm