Ever notice a strange smell coming from your vehicle’s aircon? Discover why it happens and how to fix it with our helpful guide.
Why does my Air-Conditioner smell bad?
Below are some causes of Bad Odours from your Vehicle’s Air-Conditioner.
- Bacteria and Mould Growth
- Why It Happens: Moisture in the evaporator core breeds bacteria, mould, and mildew.
- Signs: Musty or mouldy smell when the AC is turned on.
- Prevention: Clean and disinfect the AC system regularly and replace the cabin air filter.
- Dirty Cabin Air Filter
- Why It Happens: Trapped dust, pollen, and debris clog the filter, causing smells.
- Signs: Reduced airflow and a musty odour.
- Prevention: Replace the cabin air filter every 12,000-15,000 kms or as recommended by vehicle manufacturer.
- Clogged Drainage System
- Why It Happens: Blocked drainage leads to water accumulation and mould growth.
- Signs: Water pooling under the dashboard or a damp, musty smell.
- Prevention: Regularly check and clear the drainage system.
- Accumulated Debris
- Why It Happens: Leaves, dirt, and debris enter through exterior air intakes and decompose.
- Signs: Decaying or rotten smell when the AC is on.
- Prevention: Clean air intake areas regularly and use a cabin filter to reduce debris.
There are various health implications of bacteria and mould if left untreated.
- Respiratory Issues: Can cause problems, especially for those with allergies or asthma.
- Infections: Prolonged exposure can lead to infections or worsen health conditions.
- Allergic Reactions: Symptoms like sneezing, coughing, and itchy eyes can be triggered.
Follow these steps to eliminate bad odours from your air-conditioning system.
- Disinfect the System: Use an anti-bacterial cleaner and spray into air intake vents. Run the fans while doing so.
- Replace the Cabin Air Filter Regularly: Choose a filter with an anti-bacterial or activated charcoal layer.
- Clean the Evaporator Core: Professional cleaning removes mould and bacteria build-up.
- Clear the Drainage System: Ensure it’s free from clogs to prevent water accumulation.
- Use Air Conditioning Regularly: Run the AC for at least 10 minutes each week to assure that the lubrication circulates throughout the AC system.
We hope that this article helps you eliminate bad smells from your car and helps you understand what might cause them. Contact us for any questions and quotes.
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