Singapore Aircon Guides.
Long-form, no-fluff guides written by the same technicians who do the jobs.
Gas Top-Up Guides
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When Does an Aircon Actually Need a Gas Top-Up?
Aircons are sealed systems — they shouldn't lose refrigerant under normal operation. If yours needs frequent top-ups, the real fix is leak repair, not more gas. Here's how to tell the difference.
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R32 vs R410A Refrigerant: What Singapore Homeowners Need to Know
R32 cools more efficiently and costs less per kg than R410A. But you can't mix them, and most older units can't be retrofitted. Here's the practical guide for Singapore homeowners.
Aircon Installation Guides
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HDB Aircon Installation Rules in Singapore: BCA Brackets, Conduit & Compliance
HDB and BCA have specific rules for aircon brackets, conduits, and drainage. Skip them and you risk fines, reinstall costs, or being denied resale clearance. Here's what compliant installation looks like.
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Daikin vs Mitsubishi Starmex: Which Aircon Suits Your Singapore Home?
Two of the most popular aircon brands in Singapore — but which one suits your room, budget, and usage pattern? Here's the field-tested comparison from 18 years of installs.
Aircon Repair Guides
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Smelly Aircon? How to Get Rid of Musty and Burnt Odours
Aircon smells are diagnostic. Musty means biofilm; sour means bacteria; burnt means switch off now. Here's the smell-to-fix guide for Singapore homes.
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Noisy Aircon: What's Actually Wrong?
Aircon noise type tells you the fault type. Rattling, buzzing, whistling, clicking, gurgling — each points to a different fix. Match the sound to the cause here.
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Aircon Leaking Water Inside the Room: Why It Happens & How to Fix It
Water dripping from the front of an aircon almost always traces back to one of five causes. Here's the diagnosis flow and the typical fix cost for each.
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Aircon Not Cold? 7 Common Causes & Fixes
Warm air from the aircon is one symptom with seven possible causes. Here's how to narrow it down before booking the diagnosis — and what each fix realistically costs.
Chemical Wash & Overhaul Guides
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When Does Your Aircon Actually Need a Chemical Overhaul?
Routine servicing handles the surface. Chemical wash handles the coils. Chemical overhaul is what you call when those two aren't fixing it any more.
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Aircon Chemical Wash Cost in Singapore — Real 2026 Price Ranges
Chemical wash quotes in Singapore range from S$60 to S$150 per fan coil. Here's what the difference actually is, and why the cheapest quote isn't always cheaper.
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What Actually Happens During a Full Aircon Chemical Overhaul
A chemical overhaul is the deepest aircon clean possible without replacing parts. Here's exactly what happens, step by step, when we dismantle, clean, and rebuild your fan coil.
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Chemical Wash vs Chemical Overhaul: Which Does Your Aircon Need?
The one-sentence difference: a wash cleans the unit on the wall; an overhaul takes it down. Which one your aircon needs depends on age, symptoms, and history.
Aircon Servicing Guides
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7 Signs Your Aircon Needs Servicing Now
If you can spot any of these seven symptoms, the cost of servicing now is a fraction of the cost of letting it become an emergency call.
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HDB Aircon Servicing Pricing Explained (1 to 6 Units)
Per-unit pricing isn't a flat rate — and there's a good reason. Here's exactly what 1, 2, 3, 4, 5, and 6 units of HDB aircon servicing cost, and why.
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What's Included in Standard Aircon Servicing?
Standard servicing isn't a vague promise. Here's the exact checklist of what gets cleaned, checked, and tested for every per-unit price you pay.
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How Often Should You Service Your Aircon in Singapore?
Quarterly is the common answer. The honest answer depends on the room, the runtime, and whether the unit was chemically washed last year. Here's the cadence that actually works.
Guides
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The Coolbest 8-Step Aircon Servicing Process
Every Coolbest technician follows the same 8 steps on every job. No skipped corners, no surprise add-ons. Here's the full sequence.
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DIY vs Professional Aircon Cleaning: What HDB & Condo Owners Need to Know
Some aircon cleaning is fine to DIY. Most isn't. Here's the honest split for Singapore HDB and condo owners — and why getting it wrong can void your warranty.
Reading is fine. Cooling is better.
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