How to Rid Your Air Conditioner of Unpleasant Odours

Man Covering Nose And Face

At PSB Air Conditioning, we understand how important a fresh, clean home environment is. If your air conditioner has been filling your home with a less than pleasant aroma, it can turn the coolest retreat into an olfactory nightmare. 

But worry not! Today we’ll delve into why your air con might be releasing unpleasant odours, and more importantly, how to rid it of those bad smells.

Understanding the Causes of Bad Smell in Your Air Conditioner

Before we look at solutions, it’s essential to understand why your air conditioner might be emitting a foul odour. Several causes can contribute to this.

Microbial Growth

The dark, damp conditions within an air conditioner can promote the growth of mould and mildew, leading to a musty smell.

Stagnant Water

If water is not draining properly from your unit, it can lead to a stale, damp odour.

Dust and Dirt Buildup

Over time, dust, pet hair, and other pollutants can accumulate in the filters, producing a dusty or burning smell when the system is running.

Regular Cleaning and Maintenance Is Your First Line of Defence

Regular cleaning and maintenance of your air conditioner are the most effective ways to prevent and eliminate bad smells. Here are some additional steps you can take.

  1. Clean or Replace the Filters – Dirty filters are a common cause of foul odours. Clean your filters regularly and replace them every few months, or according to the manufacturer’s instructions.
  2. Clean the Evaporator Coils – The evaporator coils can harbour mould and mildew. Use a no-rinse coil cleaner to clean them.
  3. Check and Clean the Drain Pan – Ensure the drain pan isn’t holding stagnant water, as this can cause a musty smell.
  4. Schedule Regular Servicing – Have a professional air conditioning technician service your unit at least once a year to ensure it remains clean and functional.

Using Air Fresheners and Deodorisers As A Quick Fix

If you’re looking for a quick fix, consider using an air conditioning air freshener or deodoriser. These products can mask or neutralise odours, but remember, they won’t fix the root cause.

When to Call in the Experts

If the smell persists even after regular cleaning and maintenance, it’s time to call in the professionals. Persistent odours can indicate more serious issues.

For example, Refrigerant Leaks, which are a sweet, chemical smell could indicate a refrigerant leak, which requires immediate professional attention.

While Electrical Issues can create a burning smell could signal an electrical issue, such as a short circuit or an overheated component.

Keep Your Air Conditioner Smelling Fresh With Our Tips

Bad smells from your air conditioner shouldn’t be ignored. They’re not just unpleasant; they can also signal potential issues with your unit. Regular cleaning and maintenance can go a long way in preventing and eliminating these odours.

However, don’t hesitate to call a professional if you suspect a more serious problem. At PSB Air Conditioning, we’re here to help you keep your air con system running smoothly and smelling fresh.


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