Should I hire an HVAC specialist for odor issues?« Back to Previous Page

The AC in my apartment seems to be causing an unpleasant odor that only seems to come on during the night. It started about a month ago, and it's really starting to bother me and my partner. We’re not sure if we should just live with it or seek professional help to fix it. Should I consider hiring an HVAC specialist, and what could be the costs involved?
Posted by Mary Moore
Asked on February 9, 2026 12:00 pm
Absolutely, given the persistent odor issue that only seems to manifest during nighttime, it’s wise to consider hiring an HVAC specialist. This isn't merely a matter of comfort; it could potentially signal underlying issues within your air conditioning system or even problems in the building's overall environmental quality.

Firstly, let’s dive into why an HVAC (Heating, Ventilation, and Air Conditioning) specialist is crucial. The AC unit in your apartment seems to be at fault, but before jumping to conclusions, it’s essential to understand that HVAC systems are complex. They consist of multiple components such as the compressor, evaporator coil, condenser, and ventilation ducts—each playing a critical role in maintaining indoor air quality.

In Dubai/UAE, regulations mandate that AC units must be serviced regularly to ensure they operate efficiently without causing harm. The UAE Building Code (UAE Standard 123) requires all HVAC systems to undergo regular inspections and maintenance to prevent the growth of mold, bacteria, and other allergens which can lead to odors.

Odor issues during nighttime could indicate a few potential problems:
• Accumulation of dust or debris in your AC unit's filters.
• Malfunctioning air ducts that might be allowing water or condensation to accumulate.
• Issues with the refrigerant levels within the AC system, leading to unusual smells due to contamination.
• Dampness or moisture issues in the building structure that are exacerbated by poor ventilation.

A professional inspection will involve a thorough check of these components. Technicians may also perform tests such as air quality analysis, pressure testing on ductwork, and assessment of the condensate drainage system to ensure everything is functioning optimally.

Costs for hiring an HVAC specialist can vary widely depending on the extent of the service required and whether any repairs are needed. In Dubai, you might expect a consultation fee plus hourly rates or a fixed-price job quote based on what’s discovered during inspection. Typically, a basic check-up could start from around AED 200-300, with more comprehensive services costing AED 500 to several thousand depending on the complexity.

Remember, ignoring this issue can lead to health problems such as respiratory issues, headaches, and in severe cases, mold-related illnesses. Given that you’ve experienced this problem for a month now, it's advisable not to wait any longer. Contacting a certified HVAC specialist could provide relief and prevent further complications.

For your convenience, if you need immediate assistance or have concerns about indoor air quality, feel free to call 800-MOLDS (800-66537) or email hello@saniservice.com for professional advice and remediation services tailored specifically for Dubai's climate conditions.
Posted by Sani Admin
Answered on February 11, 2026 6:20 am