Cool. Clean. Transparent Aircon Servicing in Singapore.
Fixed per-unit pricing from S$50, 90-day workmanship warranty, and West-Region crews dispatched the same day. Coolbest has kept Singapore homes cool since 2005.
- 18+ years serving Singapore
- Licensed BCA & NEA technicians
- Same-day West Region response
- 90-day workmanship warranty
- 4.8/5 Google Reviews
- 10,000+ Singapore homes served
- 18+ Years in business
- Yes West Region same-day
- 90 days Workmanship warranty
Sound familiar?
The aircon problems we solve every week
If any of these match your unit, you’re in the right place. Each links to a diagnostic guide so you know what’s likely wrong before we arrive.
Blowing warm air
Cooling weak or stopped entirely. Usually filter, refrigerant, or compressor. We diagnose before touching anything.
Dripping water
Water on your floor or ceiling. Usually drainage blockage or biofilm. Often same-day fixable.
Mouldy smell
Musty or sour odour when you turn it on. Biofilm on the coil. Needs chemical wash, not air freshener.
Rattling or buzzing
New sound from the unit. Sometimes a loose part, sometimes a compressor warning. Video it and WhatsApp us.
Blinking error light
Brand-specific codes tell us a lot. We know the Daikin U4, Mitsubishi P6, and friends.
Rising electricity bill
Dirty coils force the compressor to work harder. Servicing or chemical wash typically cuts bill 10-20%.
Our Core Services
Routine Servicing, Chemical Wash, Repair, and Installation
Three focused services covering the full lifecycle of a home aircon - diagnosed honestly, quoted transparently, delivered by licensed technicians.
Most booked Chemical Wash
Full dismantle-and-soak chemical overhaul that restores cooling, kills mould, and lifts indoor air quality.
Most booked Installation
Site-survey-based installation of split, multi-split, and window-type aircon systems across all major brands.
Most booked Repair
Diagnostic-first aircon repair for cooling faults, leaks, noise, odour, and electrical issues across all major brands.
Why Coolbest
Five reasons Singapore families choose us
We’re not the cheapest aircon service in Singapore. We are one of the most honest, and that’s the business Mr Chong built.
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Fixed, published pricing
From S$50 for a single fan coil up to S$115 for six. On our pricing page, not hidden behind a phone call.
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90-day workmanship warranty
Every repair and servicing visit. Same fault recurs within 90 days, we come back at no cost.
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Diagnosis-first philosophy
We don’t default to refrigerant top-ups or chemical washes. We find the cause and fix it, even if the fix is simpler.
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Licensed technicians only
BCA contractor registration, NEA refrigerant handler certification, trained across Daikin, Mitsubishi, Toshiba, LG, Panasonic.
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West-Region home base
Block 540 in Jurong West is our HQ. Same-day response in Jurong, Boon Lay, Clementi, Bukit Batok is operationally realistic, not marketing.
How Coolbest Works
Booked → Diagnosed → Fixed → Warranted
No over-promising on WhatsApp, no surprise charges on-site. Here's exactly what happens when you book.
WhatsApp or Call
Describe your issue. We ask the right questions and give a ballpark quote. 95% of enquiries get a same-day response.
Site Visit
Licensed technician arrives in uniform, does a real inspection, shows you what's going on with photos.
Transparent Quote
Written on-the-spot quote for parts and labour. We never do work you didn't approve. Diagnosis fee credits to the job.
Fix + 90-Day Warranty
Repair done the same visit when possible, parts ordered if not. Every job covered by our 90-day workmanship warranty.
Get a Same-Day Quote - No Surprises
90-day workmanship warranty on every job. WhatsApp us a photo and your postal code for a fast, honest quote within working hours.
By The Numbers
18 Years Keeping Singapore Homes Cool
Founded 2005, still same team values
Across Singapore’s HDB, condo, landed
200+ reviews
On every job we do
No Surprises
Transparent per-unit servicing prices
Published pricing for general servicing. Chemical wash, repair, and installation are quoted on the site visit based on your unit condition.
1 Fan-Coil
Single-room flat or studio
- Filter rinse & deep brush
- Evaporator coil wipe
- Drainage tray flush
- Blower wheel cleaning
- 90-day workmanship warranty
2 Fan-Coils
Typical 3-room HDB
- Filter rinse & deep brush
- Evaporator coil wipe
- Drainage tray flush
- Blower wheel cleaning
- 90-day workmanship warranty
3 Fan-Coils
Typical 3-room HDB
- Filter rinse & deep brush
- Evaporator coil wipe
- Drainage tray flush
- Blower wheel cleaning
- 90-day workmanship warranty
4 Fan-Coils
4–5 room HDB or condo
- Filter rinse & deep brush
- Evaporator coil wipe
- Drainage tray flush
- Blower wheel cleaning
- 90-day workmanship warranty
Prices above are per complete visit, not per hour. Multi-unit discounts already applied. Chemical wash starts at S$90/unit; repair diagnosis fee S$80 (credited toward repair if you proceed).
Real Homes, Real Reviews
What Singapore neighbours say
Reviews from Yuhua, Taman Jurong, Teban Gardens and across the West Region.
“Chemical overhaul on our 11-year-old Yuhua flat units — came on time, showed me the slime, fixed everything in one afternoon. Honest pricing, no upsell.”
“Booked a standard service before lunch and the technician arrived by 4pm. Three bedroom units plus the living room, all clean again for $85.”
“Best aircon crew in Jurong West. Mr Chong himself came for our Gek Poh installation — BTU-sized the rooms properly and cleaned up perfectly.”
“Multi-split service for our J Gateway condo — five fan coils, one outdoor. Done in a morning. Priced fairly.”
“Teban Gardens HDB. Booked online, got confirmation, tech came same day. Clean work and the $70 three-unit price matched exactly.”
Where We Work
Covering the West Region and beyond
Our Jurong West HQ puts our crews minutes away from surrounding estates. We also handle Central Region bookings on a scheduled basis.
Learn Before You Book
Free Aircon Guides for Singapore Homeowners
18+ years of what actually goes wrong, written in plain language. Start with these if you're new to Singapore aircon.
Aircon Servicing for HDB, Condo, and Landed Homes
How aircon servicing differs across Singapore HDB flats, condos, and landed properties. Coolbest Aircon keeps per-unit pricing consistent across all three.
Read guide → MOFUDIY Aircon Filter Cleaning vs Professional Servicing
DIY filter rinsing has a place — but it can't reach the coil, blower, or drainage pipe. Here's what only professional aircon servicing can do in Singapore.
Read guide → MOFUHow Often Should You Service Your Aircon in Singapore?
The right aircon servicing cadence for Singapore's tropical climate. Coolbest Aircon explains when HDB, condo, and heavy-use units need a professional visit.
Read guide → TOFUSigns Your Aircon Needs Professional Servicing
Weak airflow, rising bills, musty smell, or water marks? These are the signs your aircon needs professional servicing before the problem becomes a repair.
Read guide → MOFUWhat's Included in a Standard Aircon Servicing?
Exactly what Coolbest Aircon's S$50–S$115 per-unit servicing covers in Singapore: filter wash, coil wipe, drainage flush, blower, vacuuming. No surprises.
Read guide →Questions Answered
Frequently asked by Singapore homeowners
The questions we answer on almost every site visit. For anything else, WhatsApp us; we answer within working hours.
How much does aircon servicing cost in Singapore?
Coolbest charges S$50 for 1 unit, S$55 for 2 units, S$70 for 3, S$85 for 4, S$100 for 5, and S$115 for 6 units — a full servicing visit per home. Prices are published upfront with no surprise charges.
How often should I service my aircon in Singapore?
For heavy daily use, every 3 months. For lighter, evening-only use, every 6 months works. Singapore's humidity and dust load mean longer intervals risk mould growth in the drainage tray.
What's included in a standard aircon servicing?
Filter washing, evaporator coil wipe-down, drainage tray flush, blower wheel cleaning, vacuuming, and a drainage-pipe check. Chemical washing, gas top-up, and parts replacement are quoted separately.
When do I need a chemical wash instead of regular servicing?
Go for a chemical wash when cooling weakens despite regular servicing, the unit smells mouldy, you see black slime in the drainage, or the unit is 5+ years old and hasn't had one. Typical cadence: every 1–2 years for heavy use.
Do you offer a warranty on repairs?
Yes. Every repair and servicing job comes with a 90-day workmanship warranty. If the same fault recurs within 90 days, we come back at no cost.
Do you service Bukit Timah and other areas outside Jurong?
Yes — we serve the whole island, with dense coverage across the West Region (Jurong West, Jurong East, Clementi, Bukit Batok, Boon Lay) and regular routes into Central Region areas like Bukit Timah, Queenstown, and Bishan. Same-day West Region, next-day Central is typical.
Book your same-day service today
WhatsApp us a photo and your postal code. We'll confirm a West Region slot within 2 hours.