Have you ever turned on your aircon only to be greeted by a musty, damp smell? That unpleasant odor is a clear sign of mold and bacteria buildup inside your unit — and it’s more common in Singapore’s humid weather than you might think.
The question is: Can professional aircon cleaning remove mold and odor for good? Let’s break down what causes the problem and how expert servicing can make your home’s air fresh again.
Why Mold and Odor Form Inside Your Aircon
Singapore’s hot and humid weather creates the perfect environment for mold and bacteria to grow — especially inside aircon units where dust and moisture build up.
Here are the main causes:
Clogged air filters trap dirt and moisture, which promote mold growth.
Dirty evaporator coils collect grime that encourages bacteria to spread.
Blocked drain pipes cause water to stay inside the unit.
Irregular servicing allows these contaminants to build up over time.
Before long, that damp, musty smell can fill your room — affecting indoor air quality and your family’s comfort.
How Professional Aircon Cleaning Removes Mold and Odor
While DIY methods like air fresheners or spraying disinfectants might mask the smell, they don’t solve the root cause.
Professional aircon servicing in Singapore targets the problem where it starts — inside your aircon system.
Here’s what expert cleaning includes:
Filter Cleaning and Disinfection
– Technicians remove and wash filters thoroughly to eliminate dust, bacteria, and mold spores.Evaporator Coil Deep Cleaning
– A chemical wash or chemical overhaul dissolves built-up grime and kills mold inside the coils.Drain Pipe Flushing
– This clears blockages that cause water leaks and prevent bacteria-laden water from pooling inside.Fan Blower and Cover Cleaning
– These parts are cleaned to stop recirculation of smelly air.
The result? Clean, odor-free, and healthier air from your aircon — often noticeable immediately after servicing.
Can the Problem Be Solved Permanently?
While professional aircon cleaning can remove mold and odor effectively, it’s not a one-time fix. Mold can return if maintenance isn’t done regularly.
To prevent future buildup:
Schedule aircon servicing every 3–4 months.
Keep filters clean between services.
Ensure proper drainage and airflow.
Consider installing anti-bacterial filters or UV systems for added protection.
By maintaining a consistent cleaning schedule, you’ll prevent mold from coming back — keeping your aircon fresh, efficient, and long-lasting.
Pro Tip: Chemical Wash vs. Chemical Overhaul
If your aircon still smells after basic cleaning, it may need a chemical overhaul instead of a simple wash.
A chemical wash cleans parts without fully dismantling the unit — ideal for light mold and dirt.
A chemical overhaul involves complete dismantling and deep cleaning of internal components, which eliminates odor at its source.
At Lion City Aircon, our technicians assess your aircon’s condition and recommend the best treatment to remove mold completely.
Why Choose Lion City Air Conditioner Services
As one of the best-rated aircon servicing companies in Singapore, we use professional-grade cleaning solutions and eco-friendly disinfectants that are safe for homes with children and pets.
Our skilled technicians handle all brands and models — from ductless AC systems in Singapore to portable aircons — ensuring your air stays clean and cool all year round.
📞 Call +65 8818 5781 or visit lioncityaircon.sg to book your aircon mold cleaning service today.









