Chemical Wash in Singapore

Deep cleaning using specialised chemical solutions to remove stubborn dirt, mould, and bacteria from the evaporator coil and fan blower.

Frequently Asked Questions

How much does an aircon chemical wash cost in Singapore?
An aircon chemical wash in Singapore costs S$60–S$180 per unit, with an average of around S$94 per unit based on prices from 40+ companies. The price varies by company size, property type, and whether GST is included.
What is an aircon chemical wash?
An aircon chemical wash is a deep-cleaning service where the indoor unit is partially disassembled and the evaporator coil, fan blower, and drainage tray are cleaned with chemical solutions. It removes mould, bacteria, and stubborn dirt that regular servicing cannot address.
When do I need a chemical wash instead of regular servicing?
You need a chemical wash when your aircon smells musty, drips water, blows warm air despite being set cold, or has not been deep-cleaned in over a year. It is recommended once a year as part of a maintenance routine.
How long does a chemical wash take?
A chemical wash for one unit takes approximately 1–1.5 hours. For multiple units, expect 2–4 hours depending on the number of units and their condition.
Is a chemical wash the same as a chemical overhaul?
No. A chemical wash cleans the unit in place without full disassembly. A chemical overhaul involves complete disassembly and soaking of every component — it is more thorough and costs more (S$60–S$220 per unit), but is only needed for heavily soiled or malfunctioning units.

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