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Servicing · Cleaning · Maintenance

Aircon chemical servicing

Chemical agents plus high-pressure steam for buildup a standard service can't reach. Done in place, around 40 minutes per unit. We’ll assess first, then confirm whether this is the right scope before you book.

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What chemical servicing covers

Chemical servicing is the step up from a general clean: chemical agents loosen mould and compacted grime on the coil, and high-pressure steam flushes it out at temperature. Not every unit needs one. Common situations where it fits:

  • Smell persists after a general service

    Mould's set into the coil. Another clean won't shift it.

  • Weak airflow despite clean filters

    Coil buildup's choking air passage deeper than a clean can reach.

  • Visible grime or mould on the coil fins

    A standard clean can't dislodge compacted buildup.

When chemical servicing isn't suitable

Chemical servicing handles dirt and mould. It won't fix mechanical or electrical faults, and severe contamination might need an overhaul.

  • Unit not cooling at all

    Likely a refrigerant or compressor issue, not contamination.

  • Error codes or blinking lights

    Points to a sensor or PCB fault. A clean won't resolve it.

  • Breaker trips on startup

    Electrical issue that needs diagnosis, not cleaning.

What you get

A cleaner unit and a clearer next step.

  • Mould treated at the coil

    Steam temperature kills mould and bacteria where they grow.

  • Smell addressed at the source

    Chemical treatment and steam clear the residue instead of just shifting it downstream.

  • Airflow restored

    Blower and coil get cleared so air moves freely again.

How a chemical servicing visit works

From your message to a treated unit, here is what happens on the day.

  1. You tell us what's going on

    The unit, the symptom (a smell, weak airflow, visible grime), and whether a recent general service didn't shift it.

  2. We confirm it's warranted

    Not every unit needs a chemical service. If a standard clean would do, we say so before quoting the step-up.

  3. We apply chemical treatment

    Chemical agents loosen compacted grime and mould on the coil and blower that a standard clean can't reach.

  4. We flush with high-pressure steam

    Steam clears the treatment out at temperature, killing mould and bacteria at the source. No jet wash.

  5. We reassemble and confirm

    We refit, check airflow and drainage, and confirm the smell or weak airflow is gone before we leave.

What we clean

We apply chemical treatment to every buildup area, then flush it through with high-pressure steam.

  • Filter wash

    We pull the filters, rinse them clear, and dry them before the chemical treatment starts.

  • Evaporator coil

    Chemical agents loosen compacted grime and mould on the fins, then steam flushes them out.

  • Drain line flush

    We steam-flush the condensate drain from the unit to the discharge point so residue doesn't back up.

  • Blower clean

    We coat the fan blades with chemical solution, then steam-rinse to clear buildup a standard wipe leaves behind.

  • Condition check

    Coil corrosion, bearing noise, and refrigerant indicators get flagged separately. Nothing's added without approval.

We don't use jet wash (high-pressure water). Pressurised water bends coil fins, pushes contamination into the blower housing, and splatters walls, ceilings, and furniture.

Systems we service

We chemical-service the common indoor unit types. Rates vary by system, so tell us yours when you book.

  • Wall-mounted

    The standard split unit in most HDB and condo rooms.

  • Ceiling cassette

    Recessed into the ceiling, common in offices and larger spaces. Access and drainage differ.

  • Ducted

    Concealed above the ceiling and ducted to vents. Filters and drainage need a different approach.

See current rates

Workmanship warranty

30-day workmanship warranty. If a unit we chemical-serviced doesn't come up clean, or the smell or weak airflow returns from the work we did, we come back and the labour is on us, with no second call-out fee.

Documented chemical servicing cases

Real cleaning and diagnosis, not generic service claims. Open one if it looks familiar.

See more cases

Frequently asked questions about aircon chemical servicing in Singapore

What is the difference between steam and chemical jet wash?
Both start with a chemical solution applied to the coil. The difference is how it's flushed out. Chemical jet wash uses pressurised water, which moves contamination through the unit, often into the drain pan or blower housing. High-pressure steam uses temperature to kill mould and bacteria at the coil itself. The result holds longer because the source is treated, not just shifted.
What is the difference between chemical servicing and general servicing?
General servicing is a routine clean of filters, coil, drain, and blower, no chemicals. Chemical servicing uses chemical agents and high-pressure steam to dissolve buildup a routine clean can't reach. If general servicing resolves the issue, you don't need to step up.
How often should I get chemical servicing?
Only when needed, typically when smell, weak airflow, or visible grime persists after a general service. Most units need it once or twice a year at most. We tell you on the visit whether it's warranted.
Is chemical servicing safe for my aircon?
Yes. The chemical agents we use are formulated for aircon coils and are fully flushed out with steam. Done properly, it extends the unit's lifespan by removing buildup that causes strain.
Do I need to be home during the service?
Yes. We need access to the indoor unit and a power supply. The process takes around 40 minutes per unit.

We cover all of Singapore. Find aircon services in your area.

Ready to get started?

Tell us what’s going on. Symptoms, setup, photos, anything we should know. We’ll assess and come back with the right next step.

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