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General Servicing
Scope of Work:
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Clean & check air filter, front panel & cover.
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Check deodorising & bio-pure filter.
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Clean & checkindoor cooling coil.
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Flush drainage tray.
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Check outdoor condenser coil refrigerant level.*
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Check compressor suction & discharge pressure if necessary.
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Clean & check evaporator.
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Vacuuming of drainage system.
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Vacuum & brush blower wheel.**
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Tighten electrical components & fan motor bearing.
* Based on technician assessment.
** Removal of blower at an extra cost.

Aircon Servicing in Sentosa for Homes, Condos and Businesses
When your aircon is not cold, leaking water, making noises or producing weak airflow, it can quickly affect your comfort, sleep and daily routine. At 338 Aircon, we provide professional aircon servicing that Sentosa residents, homeowners, resort operators and business owners can rely on for cleaner cooling and better system performance.
Our aircon service includes a careful inspection, filter cleaning, fan coil cleaning, drainage tray checks, airflow testing, and basic troubleshooting for common aircon problems. With 15 years of experience in the aircon industry, our technicians understand how Singapore’s humid, coastal climate can affect your air conditioning system, especially in Sentosa Cove, beach-facing homes and properties near the coast.
Whether you need one-time servicing, quarterly aircon cleaning packages, aircon repair, gas top-up, chemical wash, or chemical overhaul, our team is ready to help. Call +65 93234141 to book a convenient appointment.
Common Aircon Servicing Issues We Solve in Sentosa
Aircon Not Cold
If your aircon is running but the room still feels warm, the issue may be dirty filters, clogged evaporator coils, low refrigerant, weak airflow, or an overworked condenser unit. In Sentosa, coastal humidity and frequent use in homes, hotels and serviced apartments can make cooling problems more noticeable. Ignoring the issue may increase energy usage and place extra strain on your aircon systems.
Our technicians check your aircon unit, clean key components, assess airflow, inspect the condenser and advise if a gas top-up or repair is needed. A standard job can often be completed in one visit, helping restore cooling performance without unnecessary disruption.
Water Leaks from the Indoor Unit
Water dripping from your air conditioner usually indicates a clogged drain pipe, a dirty drain tray, a frozen coil, or poor water discharge. Left unresolved, leaks can damage walls, ceilings, cabinets and flooring. This is especially frustrating for Sentosa homeowners and commercial clients who need their place to remain clean, presentable and comfortable.
At the appointment, our professionals inspect the drainage tray, flush the drainage line where appropriate and clean dirt buildup from the fan coil area. We also provide a 1-month leak-free warranty after servicing, giving customers added peace of mind about the workmanship.
Noisy Aircon Units
Clicking, rattling, buzzing or grinding noises can be caused by loose parts, dirty blower wheels, worn bearings, trapped debris or vibration from the air conditioning system. Some noises seem minor at first, but they may signal deeper issues that lead to repairs if ignored.
Our aircon technicians inspect the unit, tighten accessible parts, clean internal components and identify whether further aircon repair is required. By addressing the cause early, you protect your system, reduce discomfort, and improve the overall cooling experience.
Poor Airflow and Uneven Cooling
Weak airflow can make one room feel warm while another feels too cold. Common causes include dirty filters, blocked coils, blower issues, poor servicing history or ageing units. In larger Sentosa Cove homes and premium residences, uneven cooling can affect bedrooms, living rooms and entertainment areas.
Our aircon servicing for airflow issues includes filter cleaning, coil surface cleaning, fan coil checks and performance testing. For more serious buildup, we may recommend a chemical wash or a chemical overhaul. The goal is simple: cleaner air, steadier cooling and better comfort.

Your #1 Choice for Aircon Servicing in Singapore that Prioritises Your Budget and Convenience
Constantly having issues with your air conditioning unit?
❌ Aircon switches off randomly
❌ Aircon not cold
❌ Weird noises or smells from the aircon units
❌ Poor cooling performance
❌ Aircon leaking
❌ Aircon blinking or error
❌ Leaking from trunking
❌ Unusually high electricity bills
In Singapore's humidity, homes and workplaces rely on air conditioners to survive.
But in order to ensure your air conditioner unit is functioning optimally, you need to go for routine aircon servicing.
As Featured In

Why Quality Aircon Services are Crucial for Your Air Conditioner

Improved Efficiency
During an aircon servicing, the aircon technicians look over the aircon completely, ensuring that every part is working as intended.
During a service, the filters are cleaned, the condenser is checked, and any blocked or leaking pipes are identified and repaired. This prevents unexpected issues and enhances the lifespan of the equipment itself.

Reduced Energy Bills
In general, better-maintained equipment will operate more effectively. A poorly maintained air con unit uses more energy in order to function.
With regular aircon servicing, we help your air conditioner function the way it should without consuming excessive power.

Cleaner Air
During an aircon service session, we clean the air filters and internal components of the appliance, improving the quality of air in your home.
With cleaner air free of germs, dust, and other impurities, the chances of falling sick at home would be reduced significantly.

Proactively Addresses Possible Issues
Similar to a general health check-up, aircon servicing allows us to identify and repair any potential aircon problems before they become major issues
That's why it's important to set up a regular AC maintenance schedule with a trusted aircon services provider like 338.

Singapore's Highest Google-Reviewed Air Conditioning Services

Marcus
Sengkang 4-Rm HDB
Was very satisfied with my aircon installation. Installation team was professional and explained the different steps when installing. Aircon is very cold and quiet, very powerful.

Mr Lee
Tampines HDB EA
Good price and value for money. Installation was done within a day and rubbish from installation was packed and thrown away by installation guys. Will recommend you all to my friends and family next time.

Hao Jie
Redhill 3-Rm HDB
Very fast installation from when i book to when the aircons are installed finish. Company gave us 5 years warranty for the service so we know if anything we will not need to bear additional costs for replacement. Good job!




338's 10 Steps for Your General Aircon Service

Step 1: Clean & check the air filter, front panel & cover
First steps of the servicing start from the outer parts. The unit cover will be removed, and the air filter will be cleaned.

Step 2: Remove water tray
The water tray functions to gather water before it flows to the drainage pipe. All the dust, jelly, dirt and other debris that are stuck inside will be cleaned and vacuumed.

Step 3: Clean & check indoor cooling coil
The fan coil unit (FCU) will be vacuumed properly in an up-down motion and repeatedly in order to not miss any spots.

Step 4: Flush drainage tray
The vacuum will be left attached for around 1-2 minutes at the end of the drainage pipe to clear any clogged dirt inside.

Step 5: Check outdoor condenser coil refrigerant level
The technician will check if all the fan coils are working properly by placing their hand and checking if there is any condensation.

Step 6: Check outdoor unit refrigerant level
We then double-check the condenser unit to make sure that there is still enough gas. If necessary, the compressor suction and discharge pressure will be assessed too.

Step 7: Clean & check evaporator coil
The evaporator coil will be checked, followed by vacuuming and brushing the blow to ensure nothing hinders blower rotation.

Step 8: Reattach the water tray
After all of the above steps are done, the water tray will be reattached again. We make sure it attaches properly and fully with a click.

Step 9: Tighten electrical components and fan bearing.
We also double-check and make sure that there aren't any loose parts left before wrapping up the cleaning of the unit.

Step 10: Reattach FCU Cover
Wipe down and clean any leftover water and make sure unit is dry. Reattach the FCU Cover and we are done! Your unit has now undergone proper general servicing.

Your Preferred Aircon Servicing Company
What You Get When You Pick 338's Quality
Aircon Repair Services:
SINGAPORE'S MOST AFFORDABLE AIRCON SERVICES
Our client-centric business model allows us to be the most competitively priced in Singapore, working with your budget to meet your aircon needs.
QUARTERLY AIRCON CLEANING PACKAGE FOR INCREASED SAVINGS
Stay on top of your air conditioner servicing schedule and enhance the lifespan of your aircon system with our handy, cost-effective cleaning package.
EXPERIENCED AND WELL TRAINED TECHNICIANS
All our technicians have a minimum of 5 years experience with various aircon brands, meaning we only need 1 trip to complete the job!
AUTHORIZED DISTRIBUTION OF RENOWNED BRANDS
338 Aircon is an authorized distributor of brands such as Daikin & Mitsubishi. With an assurance of well-known global brands, Aircon 338 should certainly be your preferred option.
TECH-ENABLED CONVENIENCE
Our services are supported digitally, from invoices to contracts. No more misplacing important paperwork!
EXCELLENT SERVICE GUARANTEED
Experiencing leaking after your general servicing? You're covered by our 1-month warranty - just contact our excellent customer service team!
FREQUENT VARIETY OF PROMOS AND DISCOUNTS FOR CUSTOMERS
On top of our affordable prices, 338 Aircon also offers promotions regularly. By taking advantage, you can save more while having your equipment installed or serviced.
Book Your Same Day Servicing With Us Now!

Our hotline is open daily from 8 am to 10 pm!
Anywhere in SG
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As one of the best aircon service companies in Singapore, 338 is fully capable of handling all your aircon problems!
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About Us
338 Aircon provides the most affordable aircon services in Singapore. Our professional technicians specialise in installations, repairs, and maintenance for residential and commercial clients. Committed to customer satisfaction and competitive prices, we are your trusted partner for all your aircon needs.
15
Years' Experience
6388
5-Star
Rating
165,326
Aircon Units Serviced
FAQs
How much does aircon servicing in Sentosa cost?
Aircon servicing in Sentosa with 338 Aircon starts from $65 for one-time servicing. Quarterly servicing starts at $240 per year and can be more cost-effective for homeowners and businesses that use their aircon daily. First-time customers can also get 4 units serviced for only $90. Prices may vary if your aircon needs a chemical wash, chemical overhaul, gas top-up or repair.
How often should I service my aircon in Sentosa?
Most homes in Singapore should service their aircon every 3 to 4 months if the unit is used regularly. In Sentosa, properties near the coast, resort areas, or high-humidity environments may benefit from quarterly servicing because salt air, moisture, and daily use can affect airflow, cooling, and corrosion risk. Regular servicing keeps your aircon cleaner and reduces the chance of leaks.
Why is my aircon not cold even after cleaning?
If your aircon is not cold even after basic cleaning, the issue may involve low refrigerant, dirty internal coils, weak compressor performance, blocked airflow, electrical faults or an ageing air conditioning system. In some cases, a chemical wash, chemical overhaul, gas top-up or repair may be needed. Our technicians can inspect the unit and recommend the right solution.
What is included in standard aircon servicing?
Standard servicing usually includes air filter cleaning, fan coil cleaning, drainage tray checks, drainage flow inspection, airflow testing and basic performance checks. It is designed to maintain your aircon unit, improve cooling and reduce common issues such as leaks, noises and weak airflow. It is suitable for regular maintenance when your aircon has no major faults.
Do Sentosa homes need more frequent aircon servicing?
Some Sentosa homes may need more frequent servicing due to coastal humidity, salt air, and heavier aircon use. Homes in Sentosa Cove, beach-facing properties and rental units may run their aircon for long hours. Regular cleaning helps protect components from dirt buildup, corrosion and poor cooling performance.
What is the difference between a chemical wash and a chemical overhaul?
A chemical wash cleans stubborn dirt and buildup from the fan coil using a cleaning solution. A chemical overhaul is more thorough and involves deeper dismantling and cleaning of key parts. A chemical wash is suitable for moderate buildup, while a chemical overhaul is recommended for severe dirt buildup, persistent leaks, or poor cooling that standard servicing cannot resolve.
When do I need a gas top-up for my air conditioner?
You may need a gas top-up if your aircon has low refrigerant, weak cooling or takes too long to cool the room. However, low gas may also suggest a leak in the system. Our technicians will check your aircon before recommending a top-up, so you do not pay for an unnecessary service.
Can aircon servicing stop water leaks?
Yes, servicing can stop many water leaks caused by clogged drainage pipes, dirty drainage trays or buildup inside the fan coil. If the leak is caused by installation issues, cracked parts or deeper system faults, additional repair may be needed. 338 Aircon provides a 1-month leak-free warranty after servicing.
How long does an air conditioning service appointment take?
A normal service appointment usually depends on the number of units and their condition. A single unit may be completed more quickly, whereas multiple units or heavily clogged systems require more time. Our team works efficiently while still thoroughly checking airflow, drainage, cooling, and visible issues.
How do I choose an aircon servicing company in Singapore?
Choose an aircon servicing company with proper licensing, experienced technicians, transparent prices, clear warranty terms and responsive customer service. 338 Aircon is BCA Licensed ME01, has 15 years of experience and serves customers islandwide in Singapore, including Sentosa.








