How Much Does Aircon Servicing Cost in Singapore? A No-Nonsense Price Guide

In Singapore, a general aircon service typically costs around 25 to 40 dollars per fan coil unit for a one-time visit, and less per unit if you buy a quarterly contract. Heavier jobs cost more: a chemical wash runs about 70 to 120 dollars per unit, a chemical overhaul roughly 130 to 200 dollars, and a gas top-up around 80 to 150 dollars depending on the refrigerant type and how much is needed. The exact figure depends on how many units you have, the servicing type, and whether you pay per visit or lock in a package.

Prices in this guide are broad market ranges for HDB flats and condos as of 2026, not fixed quotes. Actual cost swings with your unit count, brand, unit condition, and the contractor. Use these numbers to sanity-check a quote and to spot when someone is overcharging or upselling work you may not need yet.

What is included in a general aircon service?

A standard or general service is the routine cleaning most homes need every three to four months. The technician cleans the front panel and filters, wipes down the fan coil and blower, clears the drainage pipe, and checks that the unit cools and drains properly. It is light maintenance, not a deep clean.

This is the cheapest and most common service. If your aircon still cools well and only feels a bit weak or dusty, a general service is usually all you need.

• Filter and front panel cleaning
• Fan coil and blower wipe-down
• Drainage pipe clearing to prevent water leaks
• Basic cooling and gas pressure check

How much does each type of aircon service cost?

Costs rise with how deep the cleaning goes. A general service is quick surface cleaning; a chemical wash dismantles and soaks key parts; a chemical overhaul strips the unit down almost completely. Gas top-up is priced separately and depends on the refrigerant.

Here are typical per-unit ranges in Singapore. Multi-unit homes usually pay less per unit, and contract customers pay less again.

• General service: about 25 to 40 dollars per unit (one-time)
• Chemical wash: about 70 to 120 dollars per unit
• Chemical overhaul: about 130 to 200 dollars per unit
• Gas top-up: about 80 to 150 dollars, higher for R410A or R32 systems
• Condenser or compressor chemical wash: often quoted on top, roughly 80 to 150 dollars

Is a servicing contract cheaper than paying per visit?

For most households, yes. A quarterly contract spreads four visits a year across a fixed package, so the per-visit rate is lower than booking each service on its own. A common pattern is a yearly contract covering four general services, often working out to roughly 20 to 30 dollars per unit per visit.

Contracts also help you stay on schedule, which is the real money-saver. Regular cleaning keeps the unit efficient and reduces the chance of an expensive chemical overhaul or breakdown later. The trade-off is you are locked in, so pick a contractor you trust before committing.

• Contract pro: lower per-visit price and scheduled upkeep
• Contract pro: small issues get caught early
• Contract con: you commit to one company for the year
• Per-visit pro: full flexibility, good if you rarely use the aircon

What makes an aircon service quote go up?

Two quotes for the same flat can differ a lot, and it is usually down to a few factors. Knowing them helps you compare fairly instead of just picking the lowest number.

The biggest driver is the number of fan coil units, since almost everything is priced per unit. After that, the servicing type and the condition of your system matter most.

• Number of fan coil units in the home
• Servicing type: general versus chemical wash versus overhaul
• Whether a gas top-up or refrigerant refill is needed
• Refrigerant type, as R410A and R32 cost more than older R22
• Unit accessibility, such as high ceilings or awkward mounting
• Add-ons like condenser washing or drainage pump work

How often should you service your aircon in Singapore?

In Singapore's humid climate, most homes should book a general service every three to four months, or four times a year. Heavy users, homes with pets, or units running most of the day may need it more often. Light users can sometimes stretch to twice a year, but longer gaps invite mould, weak cooling, and water leaks.

A chemical wash is not a routine job. It is usually needed once every one to two years, or when the unit is noticeably weak, smelly, or leaking despite regular general servicing. Do not let a contractor push a chemical wash if a general service would do.

When should you call a professional instead of a general service?

Some symptoms point past routine cleaning. Warm air despite the unit running, ice forming on the pipes, loud rattling, persistent musty smells, or water dripping from the indoor unit usually mean a deeper problem such as low gas, a blocked drain, or a failing part. These need proper diagnosis, not just a filter wipe.

This is where a licensed aircon and electrical contractor is worth the call. Beyond servicing, they can safely handle gas top-ups, faulty wiring at the isolator, tripping circuits linked to the aircon, and full unit installation or replacement. If you want the servicing, repair, or a new install handled properly, our team can assess the units and give you a clear quote before any work starts.

• Aircon runs but blows warm air
• Ice or frost on the copper piping
• Water leaking or dripping indoors
• Musty or burning smells when it runs
• The aircon trips your circuit breaker

How can you keep aircon servicing costs down?

The cheapest aircon is a well-maintained one. Sticking to a regular general service schedule prevents the grime build-up that forces costly chemical washes and shortens the unit's life. Cleaning your own filters between visits also helps cooling and lowers your electricity bill.

Bundle where it makes sense. Servicing all your units in one visit, or signing a sensible contract, cuts the per-unit rate. And always get the number of units and the servicing type in writing so you are not surprised by add-on charges after the technician arrives.

• Service on schedule to avoid expensive deep cleans
• Rinse your own filters every few weeks
• Service all units in a single visit for a better rate
• Confirm unit count and service type in the quote upfront

Frequently asked questions

How much is aircon servicing for a typical HDB flat? Most HDB homes have two to four fan coil units. At roughly 25 to 40 dollars per unit for a general service, a single visit often lands somewhere around 60 to 130 dollars, less per unit if you take a contract or have more units.

Do I need a chemical wash every time? No. A chemical wash is only needed occasionally, usually once every one to two years or when cooling is clearly weak despite regular general servicing. Routine visits should be general cleaning, so be cautious if a chemical wash is pushed at every appointment.

Why is a gas top-up quoted separately? Refrigerant is a consumable and is priced by type and amount, so it sits outside the general service fee. Newer refrigerants like R32 and R410A cost more than the older R22. If your unit needs frequent top-ups, there may be a leak that should be fixed rather than repeatedly refilled.

Is the cheapest quote always the best deal? Not usually. A very low price can mean a rushed job, exclusions, or add-on charges once the technician is on site. Compare what is actually included, check the per-unit rate, and favour a licensed contractor who quotes clearly over the lowest headline number.