Ducted Aircon Servicing in Singapore
Ducted units are concealed above the ceiling and accessed through a service panel. What the coil shows on arrival determines the service level — and whether a panel exists determines what work is possible.
What Is Ducted Aircon Servicing
A clean of the filter, evaporator coil, condensate drain, and blower — accessed via the service panel. General servicing is a dry clean — filter, coil, and blower vacuumed and brushed down without water. Chemical jet wash applies a chemical solution followed by a high-pressure rinse for coils with heavier contamination. Fully concealed units without a service panel require access to be established first.
Service Scope
Same four areas regardless of service level — the method on the coil and access point changes based on condition and unit type.
Filter
Accessed via the return air grille or service panel. Removed, rinsed clear, dried, and refitted — no ceiling opening needed for standard filter access.
Evaporator coil
General servicing: dry clean via the service panel — coil vacuumed and brushed down, clears surface dust and loose buildup. Chemical jet wash: chemical solution applied to the fins, then flushed with high-pressure water — for exposed units with heavier contamination.
Condensate drain
Traced and flushed from the unit to the discharge point. Ducted condensate blockages back up silently — a ceiling stain is often the first sign.
Blower
Accessed via the service panel, with partial disassembly if needed. Chemical jet wash includes a chemical rinse on the blower blades where buildup is heavy.
Duct connections
Checked for leaks or disconnection at the unit. A loose duct joint is a common cause of uneven zone cooling and is easy to miss without service panel access.
Condition check
We note anything unusual — coil corrosion, drain pan condition, motor noise — and flag it separately. Nothing added without your approval.
Service level is confirmed on arrival based on coil condition and accessibility. For concealed units without a service panel, we assess access before committing to any work or price.
Benefits of Ducted Servicing
What changes after a ducted service — at either level.
Airflow restored across all zones
Coil and blower cleared so the system distributes evenly again.
Drain line cleared before it backs up
Ducted condensate blockages are silent until they stain the ceiling.
Duct connections checked
Loose joints found and flagged before they cause uneven cooling or energy waste.
Corrosion and damage caught early
Coil surface and drain pan condition noted on every visit, before a concealed fault becomes a ceiling repair.
When to Book Ducted Servicing
Ducted systems are easy to defer — but neglect compounds quietly above the ceiling.
Unit due for routine maintenance
Every 3 to 6 months for general servicing, depending on usage and zone load.
Uneven cooling across zones
A dirty coil, blocked blower, or loose duct connection restricts distribution to specific areas.
Ceiling staining near the discharge grille
Condensate backing up, not necessarily a structural leak.
Smell from ceiling vents after a recent general service
Mould on the coil has gone beyond rinse range; chemical jet wash is the next step.
Post-renovation clean
Construction dust is drawn into concealed units and needs clearing before regular use.
When Ducted Servicing Is Not Suitable
Servicing clears dirt and drainage — not mechanical faults, and not units with no access point.
Fully concealed unit with no service panel
Access needs to be established first; we assess on-site and explain the options before any work begins.
Not cooling despite a clean system
Likely a refrigerant or compressor fault, not contamination.
Error codes on the controller
Sensor, PCB, or communication fault requiring diagnosis, not cleaning.
Ceiling leak after servicing
May indicate a cracked drain pan or disconnected condensate line needing repair.
Ducted Servicing FAQ
Ducted Servicing Rates
General servicing and chemical jet wash for ducted systems. Concealed units quoted on-site. We cover all areas of Singapore, Monday to Saturday. See the full price list for all services.
| Service | 3+3+ units | 22 units | 11 unit |
|---|---|---|---|
| Servicing (ducted) | |||
| General servicing | $30 | $40 | $60 |
| Chemical jet wash (exposed) | $350 / unit | ||
| Chemical jet wash (concealed) | Request quote | ||
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