Why Your Aircon Coils Matter (and Why You Should Keep Them Clean)
When most people think about cleaning their air conditioner, they picture wiping down the vents or maybe giving the filters a rinse. But the real heroes of your system are the coils, which often get overlooked, even with professional AC cleaners. Though delicate, they require an in-depth and through clean to remove all build up of mould and dust, because when they get dirty, the problems can add up fast.
What are the coils?
Inside every split system are two sets of coils:
The indoor coil (evaporator), which cools (or warms) the air inside your home.
The outdoor coil (condenser), which releases heat outside.
Together, they keep your home comfortable all year round. But dust, mould, and grime love to cling to these coils.
Dirty coils = big problems
When coils are covered in build-up, it acts like a blanket of insulation. Instead of heat moving freely in and out, your aircon has to fight against the grime. That leads to:
❄️ Poor performance: Rooms don’t heat up or cool down as quickly, and never feel quite right, which let’s be honest, an uncomfortable heat in your home can effect everything, from physical discomfort, to mood and sleep.
🌫️ Mould and musty smells: Trapped moisture creates the perfect breeding ground for mould spores that blow back into your home, think about what you and your family are breathing in, eurgh.
⚙️ Shorter system lifespan: The extra strain wears parts down faster, meaning more breakdowns and expensive replacements, a fruequent service is not only more affordable, but can you imagine your unit pulling the pin on a 37 degree day and you can’t get anyone out for a few days. That’s a big ‘no thank you’ from us.
💸 Higher electricity bills: Your system is working overtime to push out the same amount of cool or warm air. Have you checked your electricity bill recently, if it’s rising, poorly kept systems could be the cause. Some say it can even add 30% to your bill….that’s another ‘No Thank You’ from us!
Keeping your coils clean isn’t just about efficiency, it’s about protecting your home, your air quality, and your wallet. A professional deep clean clears away the hidden build-up, keeps your system running at its best, and gives you peace of mind that the air you’re breathing is fresh and safe.
While filters can be rinsed at home, coils are a different story. They sit deep inside the unit, and when dust and mould build up, they need specialised tools and cleaning solutions to be properly removed. DIY surface sprays only mask the problem, while a professional clean tackles the hidden build-up without damaging the delicate fins. So it’s best to note that coil cleaning is always best left to the pros
