Commercial Aircon Services · KL & Selangor
Chilled Water FCU & AHU Service KL & Selangor
In high-rise offices, malls and hotels, cooling comes from the building's central chiller plant — chilled water piped to fan coil units (FCUs) and air handling units (AHUs) on every floor. The chiller belongs to the building; the FCUs serving your premises are your responsibility. MY AC COOL services chilled water FCUs and AHUs across KL & Selangor, coordinating directly with building management.
- Same-Day Service
- 30-Day Warranty
- Certified Technicians
Chilled Water Unit Service Scope
- FCU coil cleaning — in-place chemical wash
- Blower and fan housing cleaning
- Filter cleaning or replacement (washable and media types)
- Drain pan flush and condensate line clearing
- Chilled water valve and actuator function check
- Thermostat and control verification
- Air-off temperature measurement and report
- AHU servicing for tenant-owned units
Tenant FCUs: the Gap Between You and the Chiller Plant
Building management maintains the chillers, pumps and risers — but the FCUs inside your office or lot are typically the tenant's to maintain. When your floor feels warm even though the building's chilled water supply is fine, the cause is almost always at your FCU: a fouled coil, clogged filter, stuck valve or failed actuator.
We work within building rules: liaising with management for water isolation where needed, scheduled after-hours access, and written service reports formatted for building files and fit-out compliance.
Symptoms of a Failing Chilled Water FCU
- Office warm despite building cooling running normally
- Air blowing but not cold — likely valve or actuator stuck closed
- Water stains around ceiling FCU positions
- Whistling or rumbling from the FCU cabinet
- Complaints concentrated in specific zones of the floor
PPM for Offices in Chilled Water Buildings
For tenants with multiple FCUs, our PPM contracts schedule quarterly servicing across all units, with priority callout for warm-office complaints and consolidated monthly reports — one contact (Zack) handling coordination with your building management end to end.
We service all major aircon brands


















































FAQ
Frequently Asked Questions
The building says their chiller is fine but our office is warm — can you help?
Yes — this usually means the fault is in your tenant FCUs: fouled coils, clogged filters or stuck chilled-water valves. We diagnose and fix at the unit level.
Do you coordinate with our building management?
Yes, we handle access requests, water isolation coordination and provide service reports formatted for building management files.
Can you service AHUs as well as FCUs?
Yes — we service tenant-owned AHUs including coil cleaning, filters, belts and controls. Larger plant-room work is quoted after site survey.
How is chilled water FCU servicing priced?
By unit count, size and access, confirmed in a free site survey with a fixed written quotation.

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