Skip to content
Overhaul

Full Dismantle Aircon Chemical Overhaul in Singapore

Complete dismantling and chemical clean for severely blocked or underperforming systems.

90-Day Warranty
Fixed Quotes
NEA-Permitted Chemicals
Same-Day Booking

Have you ever felt like your air conditioning is blowing warm air right when you need it most? Many Singaporeans face this exact frustration when temperatures spike up to 35°C during the April to June heatwaves. An aircon chemical overhaul is often the exact solution needed to fix a struggling system.

James Tan and Sandra Lim founded iCare Aircon in Singapore in 2016. With over 4,560 units serviced across the island, our certified technicians know that a standard wash simply cannot clear out years of hidden, stubborn grime.

This intensive reset makes a huge difference for older units.

A thorough aircon chemical overhaul restores full cooling capacity and airflow to systems that have been struggling for months. Below, we cover when this service is the right choice, the exact dismantling process, transparent pricing, and what our 90-day warranty covers.

When to Choose an Aircon Chemical Overhaul

General servicing and a regular aircon chemical wash work perfectly fine for most local households on a yearly basis. These basic tiers keep fresh systems running smoothly.

We always recommend stepping up to an overhaul when standard maintenance stops delivering results. A recent Statista study highlights a 3.82% volume growth in Singapore air conditioners through 2026, meaning a massive number of aging systems now need this level of care.

These older setups often display clear warning signs that a basic wipe-down cannot fix. Our technicians look for several specific triggers before suggesting this intensive service.

You should consider this upgrade if you notice any of these common issues:

  • The unit is 7+ years old with no prior overhaul history.
  • A musty odour or weak airflow returns shortly after a recent chemical wash.
  • The drainage tray shows visible cracks or heavy scale buildup.
  • Your fan blade feels out of balance or makes mechanical grinding noises.
  • Coastal-facing properties have exposed the condenser to years of salt-laden air.
  • Ceiling-mounted cassette units in offices or shophouses have not been overhauled in over 3 years.

Your system probably just needs standard servicing if it is under 5 years old and well-maintained. A popular multi-split system, like a System 3 from Daikin, Mitsubishi, or Panasonic, will usually warn you by failing to drop below 24°C when it desperately needs a deep clean.

We will always give you an honest assessment before starting any work. Paying for an unnecessary upgrade is frustrating, so our team makes sure you only get what you actually need.

Full Dismantle vs Standard Wash: Key Differences

A standard wash only treats the coils and fan while they are still hanging on your wall. This surface-level approach leaves hidden dirt trapped in the back crevices.

iCare Aircon’s technicians completely remove the indoor unit from the wall to perform a true overhaul. This allows us to separate every single component for a thorough inspection.

Side-by-side comparison of aircon chemical wash vs chemical overhaul scope for HDB and condo units, iCare Singapore

What Does the Full Dismantling Process Include?

Taking the unit down is the only way to reach the mechanical parts that a basic wash misses. You would be surprised by how much dust accumulates behind the blower wheel over a few years.

Our approach ensures that absolutely nothing is left hiding in the dark corners of your machine. The specific steps include:

  • Indoor unit dismount: The entire fan coil unit comes completely off the wall.
  • Component separation: The fan blade, motor, drainage tray, evaporator coils, and blower wheel are removed individually.
  • Chemical soak: Parts are submerged in alkaline-based chemical agents to dissolve the deepest buildup.

Precision Inspection and Reassembly

A thick layer of biofilm in the drainage tray is an insider secret behind most water leaking issues in condos. This slimy buildup blocks water flow and ruins your freshly painted walls.

We aggressively target this scale buildup during the cleaning phase to prevent future water damage. The hardware inspection phase is just as crucial for long-term reliability.

This ensures every moving part operates smoothly and quietly. Our remaining steps focus on mechanical integrity and final testing:

  • Mechanical inspection: We check fan motor bearings, gasket integrity, drainage tray wear, and fan balance.
  • Vacuuming and gas top-up: The sealed system is vacuumed and refrigerant gas topped up where applicable.
  • Reassembly + cooling test: A full performance test is completed before we leave your home.

Transparent Pricing for Wall-Mounted and Cassette Units

General aircon servicing in Singapore typically starts around S$40 to S$65 per unit (2026 rates). A quick wipe-down saves money upfront, but it will not resolve deep-seated mechanical problems.

We structure our rates to give you absolute clarity before any tools come out of the bag. Replacing a fried compressor can easily cost over S$800, making a S$120 overhaul a smart financial decision.

Here is a quick look at why a deeper clean makes economic sense for struggling machines:

Service LevelTypical CostBest Suited For
Standard WashS$40 - S$65Routine 3-month upkeep
Chemical OverhaulFrom S$120Severe clogs, leaks, and odours
Component ReplacementS$800+Total system failure

Our transparent pricing brackets cover the most common setups found in local properties. The 5-unit residential pack offers excellent value for larger HDB flats, BTO units, or landed homes running a System 4 or System 5 configuration.

Unit typePrice band
Single fan coil overhaulS$120-180 per unit
5-unit residential packS$500-600
Cassette overhaul (ceiling-mounted)S$390-450 per unit

How We Compare

FeatureTypical ProvideriCare Aircon
Warranty period30-day standard90 days + free 7-day follow-up
Pricing modelQuote after inspectionFixed quote before work begins
Gas top-upCharged separatelyIncluded where applicable
Booking speedNext-day availabilitySame-day booking available

You get a fixed quote before the physical work actually begins. Unexpected issues sometimes pop up, like discovering a completely failed Printed Circuit Board, or PCB, behind the cover.

We will immediately stop work and quote that specific repair separately for your approval. This strict policy ensures you never face surprise charges on your final bill.

90-Day Warranty and 7-Day Follow-Up Included

Many budget servicing companies only offer a standard 30-day guarantee on their work. A short window simply does not give you enough time to verify that a complex issue is truly resolved.

We provide the exact same extensive warranty for an overhaul as we do for every other iCare service. A full 90-day window covers an entire quarter of heavy, daily cooling.

This timeframe is essential for spotting slow freon gas leaks or subtle thermistor faults that might take weeks to appear. Our comprehensive protection plan includes:

  • 90 days workmanship coverage for absolute peace of mind.
  • A free 7-day follow-up check to ensure the system is running perfectly.
  • A 100% fix guarantee specifically on the overhaul scope.

You deserve to know that the job was done right the first time. A persistent fault might return within 90 days, indicating something we should have caught during the initial inspection.

We will immediately re-attend to your property entirely free of charge. Fixing the root cause of your cooling problem is our only goal.

Book Your Singapore Aircon Diagnostic Today

Scheduling an inspection with a qualified air conditioning contractor early can save you from a complete system breakdown. The mid-year peak season always brings a surge of emergency repair requests across Singapore.

We highly recommend booking your diagnostic check before the humid weather completely overwhelms your aging aircon. Whether you are in Jurong West, Tampines, or Ang Mo Kio, most of our aircon chemical overhaul sessions are easily scheduled within the same week you reach out.

You can call +65 3138 2108 right now to secure a same-day diagnostic visit. Our friendly team will set up a fixed-quote overhaul plan built for your specific hardware.

Do not wait until your bedroom feels like a sauna to get help. Take action today and enjoy a perfectly chilled home all year round.

How It Works

How Our Overhaul Service Works

1

Diagnostic + decision

We confirm overhaul is the right tier (vs. chemical wash). Typical triggers: 7+ years old, persistent odour after recent wash, weak airflow.

2

Full dismantle

Indoor unit comes off the wall. Fan, coil, drainage tray, blower wheel, motor. Every part separated for inspection.

3

Chemical soak

Components soaked in chemical agents to break down the deepest biological buildup, calcium scale, and bonded grime.

4

Inspect, replace, reassemble

Fan motor and bearings inspected; gaskets replaced where worn. Reassembly, vacuuming, and full cooling test.

Why iCare

Why Singapore Chooses iCare for Overhaul

Mechanical inspection included

Bearing wear, fan blade balance, drainage tray cracks. Caught and addressed before they become repair bills.

Pricing transparency on packs

Five-unit residential overhaul packs are pre-priced (S$500-600). No mid-job 'this one needs more' surprises.

Cassette specialty

Cassette unit overhauls (ceiling-mounted) require specialty access and pricing. We do these every week, not as a side job.

Recent Work

Singapore Jobs Documented

Aircon Chemical Overhaul, Singapore job sample 1Aircon Chemical Overhaul, Singapore job sample 2Aircon Chemical Overhaul, Singapore job sample 3Aircon Chemical Overhaul, Singapore job sample 4

Get a Fixed Quote in Minutes

No obligation. Same-day reply. 90-day warranty included. Fixed quote in writing before any work begins.

Customer Stories

What Singapore Customers Say

★★★★★

"AC was leaking water all over the HDB ledge — iCare came same-day, fixed the drainage, and walked me through the cause. Fixed quote upfront, no surprises."

Wei Liang T.

Jurong West

★★★★★

"Booked the chemical wash for our three units. James and the team were on time, careful with the wallpaper, and the musty smell was gone the same day. SP Group bill came down too."

Priya R.

Tampines

★★★★★

"We installed a System 3 across our condo. iCare handled the MCST paperwork, sized the units to the rooms, and the install was done in one day. Two-year follow-up — still cooling beautifully."

Daniel C.

Bukit Timah

Common Questions

Overhaul FAQ

When is overhaul better than chemical wash? +

If your unit is 7+ years old with no overhaul history, has persistent odour or weak airflow even after a recent chemical wash, or shows signs of drainage tray wear, overhaul is the right call. Chemical wash treats the surface; overhaul addresses the mechanical components too.

How long does a chemical overhaul take? +

About 2-3 hours per fan coil unit, including dismantle, chemical soak, inspection, and reassembly. A 5-unit residential pack is typically a one-day job.

What's different about a cassette unit overhaul? +

Cassette units are ceiling-mounted with hidden drainage and fan housing. They take longer (3-4 hours per unit) and require ceiling access, which is why pricing is S$390-450 per unit vs S$120-180 for wall-mounted.

Will a chemical overhaul restore an old unit to like-new? +

For airflow and cooling, usually yes. We can't restore a worn-out compressor or PCB. Those are repair-or-replace decisions. We'll flag any of those during the diagnostic before quoting the overhaul.

How often should you chemical overhaul your aircon? +

For units running daily in Singapore's climate, we recommend a chemical overhaul every 2-3 years. Units in dusty environments or coastal-facing properties may need one annually. General servicing every 3 months and a chemical wash once a year help extend the interval between overhauls.

Does the overhaul include a gas top-up? +

Yes. During reassembly, we vacuum the sealed system and top up the refrigerant gas (R410A or R32) where applicable. If we detect a refrigerant leak during the inspection, we quote that repair separately before proceeding.

Ready to Book Overhaul?

Same-day or next-day across Singapore. 90-day warranty. Fixed quote in writing before any work begins.