Identifying Signs of Mould in Aircon Systems

Air conditioner maintenance is essential for ensuring indoor air quality and comfort in the home. One significant issue that often goes unnoticed, however, is the presence of mould within these systems.

Not only does mould in air conditioners restrict their efficiency and performance, but mould in your air poses serious health risks, including respiratory problems and allergies. Mould spores can spread through air ducts, leading to infestation in the air conditioning system.

So how do you identify signs of mould in aircon systems? We’re here to determine the key indicators to watch for and the importance of addressing them promptly.

Mould formation in air conditioning systems is primarily due to moisture accumulation. When the system cools air, condensation creates a damp environment ideal for the growth of mould. This moisture can accumulate in various system parts, especially if not properly drained.

Poor ventilation in a room only makes mould problems worse. Without adequate airflow, moist air remains trapped within the system, providing a perfect breeding ground for mould. This is particularly common in older units or those not regularly maintained.

Dirty filters and components are another significant cause. When an air filter gets clogged with dust and debris, the restricted airflow causes a build-up of moisture and bacteria growth. On top of that, the accumulated dirt also provides organic material for mould to thrive on, making regular cleaning and maintenance crucial to prevent mould growth in air conditioner systems.

Exposure to mould in air conditioning systems can lead to a range of respiratory issues. Inhaling mould spores can cause:

• Coughing
• Wheezing
• Throat irritation

Mould allergies are another common issue. Mould spores can trigger allergic reactions, including:

• Sneezing
• Runny nose
• Itchy eyes

Additionally, prolonged mould exposure can cause skin irritation and other health complications. Direct contact or inhalation of mould can result in:

• Rashes
• Itching
• Serious infections

Addressing air conditioner mould issues ASAP is essential to maintaining a healthy living environment and preventing these adverse health effects.

One of the first places to check for mould in air conditioners is around air vents and ducts. Look for dark spots or discolouration around the vents, as these can indicate the growth of mould. If you notice any unusual markings, it’s essential to inspect further inside the ducts. Use a flashlight to examine the interior, where visible mould may appear as black, green, or white fuzzy patches.

Another critical area to inspect is the air filters and cooling coils. Mould can easily grow on dirty filters, which may appear as dark or slimy spots. Regularly replacing or cleaning filters can help prevent this. The coils inside the air conditioning unit are also susceptible due to moisture accumulation.

Check for any slimy or fuzzy growth on the coils, which indicates mould presence. If you find any, it’s important to have the system professionally cleaned to prevent further spread.

By regularly inspecting these key areas, homeowners can identify and address mould issues early, ensuring a healthier indoor environment and more efficient aircon system operation.

A persistent musty smell from your air conditioning system is a strong indicator of a mould infestation. This odour is often compared to the smell of damp, decaying leaves and can permeate your home when you leave the air conditioner running. If you notice this smell, it’s important not to ignore it.

Musty smells occur because mould releases microbial volatile organic compounds (MVOCs) as it grows. These compounds have a distinctive smell, and their presence in your home’s air can signal a mould problem within the aircon system. This odour can be especially noticeable when the system is first turned on or after it has been running for a while.

Ignoring these odours can lead to more severe issues, including the spread of mould to other areas of your home and increased health risks for occupants. Promptly addressing the source of the smell by having the system inspected and cleaned by an air conditioning specialist is essential for maintaining a healthy indoor environment.

Regular professional inspections are crucial for preventing and addressing mould in air conditioners. Trained technicians can thoroughly inspect the system, identifying hidden mould growth that might be missed during a casual check. This ensures that all parts of the system, including hard-to-reach areas, are mould-free.

Professional mould removal and maintenance of your AC unit offer several benefits. Technicians use specialised tools and cleaning agents to remove mould and prevent its recurrence. They also ensure that the system is operating efficiently by cleaning or replacing filters, clearing air ducts, and checking for any potential issues that could lead to the growth of mould in your air conditioner later on.

Enjoy Mould-Free, Fresh Air Throughout Your Home

Identifying and addressing mould in air conditioners is essential for maintaining a healthy home environment. Recognising the signs, from visual indicators to odours and performance issues, helps prevent mould from causing serious health risks and damaging the system’s efficiency.

Regular professional inspections and maintenance are vital in keeping mould at bay. By investing in professional care, homeowners can ensure their aircon systems remain clean and efficient. Maintaining vigilance and proactive maintenance will keep your air conditioning system running smoothly and your home safe from the adverse effects of mould.

Please note: This information is provided for advice purposes only. Regulations differ from state to state, so please consult your local authorities or an industry professional before proceeding with any work. See our Terms & Conditions here.