Why is professional AC cleaning important in Dubai homes and offices?

Dubai’s climate creates constant high humidity inside AC systems, which encourages microbial growth. Without proper cleaning, AC units can circulate contaminants throughout indoor spaces.

How is Saniservice different from standard AC cleaning companies in the UAE?

Most AC cleaners focus on visible dust. Saniservice follows a scientific indoor environmental remediation process that targets microbial sources, moisture behavior, and airflow contamination.

Is AC mould common in Dubai buildings?

Yes. Due to year-round AC use, high humidity, and sealed buildings, AC-related microbial growth is extremely common in Dubai residential and commercial properties.

Why does simple AC duct cleaning often fail to solve air quality issues?

Duct cleaning alone does not address coils, drain pans, humidity imbalance, or microbial reservoirs. Without correcting these, contamination quickly returns.

How does Saniservice assess whether an AC system is contaminated?

We begin with system inspection and risk assessment, examining moisture patterns, airflow paths, and areas prone to microbial growth rather than relying on visual assumptions.

Why is fogging not an effective AC disinfection method?

Fogging treats air temporarily but does not remove contamination from coils, drains, or surfaces where microbes grow. It masks symptoms without solving root causes.

Can bleach be used safely inside AC systems?

Bleach fails because it does not penetrate biofilms, can corrode components, and does not correct humidity conditions that allow regrowth.

How does humidity affect AC hygiene in the UAE climate?

Humidity is the primary driver of microbial growth. Without addressing moisture behavior inside the system, cleaning alone will not deliver lasting results.

What does “medical-grade AC disinfection” actually mean?

It refers to controlled cleaning and disinfection methods aligned with indoor environmental health standards, not perfumes or cosmetic sanitizers.

How does Saniservice verify that AC cleaning was effective?

Where required, we use pre- and post-intervention validation methods to confirm that contamination levels have been meaningfully reduced.

Is AC cleaning necessary even if there is no visible mould?

Yes. Microbial contamination often exists inside coils and drains long before visible signs appear, especially in Dubai’s climate.

How often should AC systems be cleaned in Dubai?

Frequency depends on usage, humidity levels, and building type, but most UAE properties require more frequent intervention than cooler climates.

Can poor AC hygiene affect health?

Contaminated AC systems can circulate microbial fragments and irritants that may worsen respiratory symptoms and indoor comfort.

Why does Saniservice sometimes clean less than other companies?

Our methodology focuses on correct intervention. We avoid unnecessary disturbance that can spread contamination or damage system components.

Is this service suitable for villas, apartments, and commercial buildings?

Yes. The same scientific principles apply across residential, commercial, and sensitive environments in the UAE.

How does Saniservice handle AC cleaning in occupied spaces?

We use controlled procedures designed to minimize disruption and prevent the spread of contaminants during cleaning.

What role does airflow play in AC contamination?

Improper airflow allows moisture and particles to settle, creating ideal conditions for microbial growth inside the system.

Can AC cleaning reduce recurring odours?

Yes, when odours are caused by microbial growth or trapped moisture, addressing the source eliminates the problem rather than masking it.

Why is source identification important before disinfection?

Disinfection without understanding the cause leads to recurrence. Our process identifies why contamination formed in the first place.

Who should consider Saniservice’s AC cleaning and disinfection service?

Clients in Dubai who prioritize verified indoor air quality, occupant health, and long-term building performance rather than superficial cleaning.

Could old filters cause AC odors?« Back to Previous Page

After the recent dust storm last month, I noticed a strange odor lingering in the air whenever we turn on the central AC in the living room. It’s especially noticeable when my little ones are playing nearby. My concern is that it might be harmful to their health, given how much time they spend inside. Could this smell be due to an old or malfunctioning filter?

Posted by Lan Takahashi

Asked on January 27, 2026 9:37 pm

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Could Old Filters Cause AC Odors?

Yes, old filters can indeed be the culprit behind those unpleasant odors coming from your central air conditioning system. In Dubai and other parts of the UAE, dust storms and high humidity levels are common, which can lead to an accumulation of dirt, dust, and even mold in your HVAC system. This buildup can cause a musty or stale smell when you turn on the AC.

In the UAE, like many regions, it's recommended that you replace your filters every 30-90 days depending on usage and local conditions, especially if you experience frequent dusty weather events such as those we had last month. The living room area is particularly sensitive due to the amount of time kids spend there, making it important to ensure air quality.

If you notice a strange odor after a dust storm, it's wise to check your filter for any signs of clogging or damage. A clogged filter can restrict airflow and trap contaminants inside your system, allowing them to circulate through the ducts and into your living space. Over time, this can lead to unpleasant odors, as well as potential health concerns.

To address the issue, you might want to clean or replace the filter immediately. However, if the smell persists after cleaning or replacing the filter, it could indicate a more serious problem such as mold growth within the HVAC system itself. In cases like these, it's highly recommended that you contact a professional for an inspection and maintenance.

At Saniservice, we offer comprehensive environmental inspections and remediation services tailored to Dubai’s climate and specific needs. Our team can help identify the source of the odor and provide solutions to ensure your indoor air quality remains at its best.

Remember, maintaining proper HVAC system hygiene is crucial in protecting your family's health, especially with the varying weather conditions that occur frequently in the UAE. If you're unsure about what steps to take or if the smell doesn’t go away after cleaning the filter, don't hesitate to give us a call at 800-MOLDS (800-66537) or email hello@saniservice.com for expert advice and assistance.

Call now and breathe easy knowing your family's health is our top priority.

Posted by

Sani Admin

Answered on January 30, 2026 4:29 am