What Are The Causes And Consequences Of Mold Due To AC?

Mold is a typical component of indoor and outdoor environments. Mold rarely causes problems until it grows indoors in humid areas if residents or tenants are allergic to it. However, molds reproduce by producing spores, which are dispersed by water, air, and other living organisms such as dogs. Although some people are vulnerable to these spores, which are fairly common indoors, even in modest concentrations the risk increases when they find conditions where they can grow. moldy areas.
Dubai experiences extreme hot summers, with an average humidity of 90%. Moisture and oxygen content are the main factors for mold growth. It is possible that water leaks or moisture from humid indoor air is the cause of wall moisture.

One of the reasons for disagreements between the local rental company and its renters is mold growth. Mold contamination inside can result in nasal congestion, coughing, headaches, eye burning, shortness of breath, and headaches. According to studies, some children’s asthma may also be caused by mold infection. Others who come into touch with mold report experiencing skin rashes and discomfort.

In particular, air conditioning devices can provide a lot of moisture for mold growth. This can happen due to leaks or even moisture on the evaporator coils. This problem is further complicated by the fact that the mold spores are then carried throughout your home by AC power. Some of the reasons are:

  • Cold AC leaks are supplying air in the roof or the crawl space is not conditioned.
  • an unsafe roof or crawl space where an open supply or return air duct from the structure has entered,
  • Improperly installed filters, AC cabinet doors, or open conduit connections at AC equipment.

  • The drain line is blocked or improperly installed on the condenser drain tray for the AC unit cooling coils.
    Insulated refrigerant lines are inadequately secured or poorly maintained.

Mold growth signals in air conditioners

While mold in an air conditioner usually doesn’t appear immediately, certain symptoms can indicate it. As a result, the inhabitants of the house often experience health problems, such as breathing problems. It may be time to contact a mold specialist if someone living at home has recently noticed unexplained changes in their health.

A noticeable musty smell around the vents in your home, which gets worse when the system is running is another warning sign to look out for. Also, look for mold growth near drip pans, evaporator coils, and vents.


Monthly cleaning and leak testing will help you avoid this problem. Also, keep in mind that turning on the air conditioner can increase humidity, promoting mold growth.

Excess humidity is not only caused by air conditioning. It is also important to ensure that gaps around windows and other entrances or exits are sealed due to Dubai’s humid environment and temperature variations between indoors and outdoors. This includes closing front doors in villas, as condensation inevitably forms when cold air from inside meets warm, humid air from outside.

Four components should be part of the cleaning procedure:

  • Removal of the fungus’ source may be contaminated dust, debris, or other unwanted materials.
  • The identification and correction of the mold’s underlying cause.
  • Control of the pollutant area to stop the fungus from transmitting.
  • Treatment of the affected areas with an antibacterial agent.


At end

Moisture, warmth and nutrients are necessary for the growth of mold spores. It’s imperative to take action if you see mold growth or have a musty smell. Ignoring the problem can seriously jeopardize your health in the future. Regular filter replacement, annual HVAC maintenance, and maintaining proper humidity levels are all important steps to reducing the risk of mold forming in your home.

Make an appointment to clean your ac units to stay away from molds. Monthly repair for Ac is highly advised. Contact us and our team for any AC-related services.

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