Honest answers about aircon
30+ plain-English guides covering common faults, smart maintenance and honest pricing — written by the AirCond Master team in Cheras.
General aircon care
Aircon Servicing vs Repair: Which Do You Need?
Servicing is routine cleaning. Repair fixes a specific fault. Here's how to tell which you actually need — with a symptom-to-service mapping table.
Read guideHow Cheras Dust and Urban Heat Shorten Your Aircon's Lifespan
Road dust from MRR2 and SUKE, urban heat-island effect in dense Cheras — both put extra strain on aircon compressors. Here's the case for quarterly cleaning.
Read guideHow Often Should You Service Your Aircon in Malaysia?
For most Malaysian homes, every 3 months is the right cadence. Heavily used or commercial units need monthly attention. Here's why the humid Klang Valley climate matters.
Read guideSigns Your Aircon Needs Servicing
Weak airflow, musty smell, water dripping, rising electricity bill, ice on copper pipes — the most common early signs that your aircon is overdue for a service.
Read guideWhy Is My Aircon Not Cooling?
Aircon running but no cold air? Common causes are a clogged filter, low refrigerant, a frozen coil or a thermostat issue. Here's how to tell — and when to call a licensed technician.
Read guideAircon Repair
Aircon Emitting a Musty or Foul Smell: Causes
A musty or sour aircon smell is mould and bacteria on the coil and drain pan. Here's why it builds up, why it's a health flag, and how a chemical wash clears it.
Read guideAircon Error Codes Explained: Daikin, Panasonic & Acson Blinking Lights
Blinking timer or operation light on your aircon? That's a brand-specific error code. Here's what the most common Daikin, Panasonic and Acson patterns mean.
Read guideAircon Leaking Water: Causes and Fixes
Most aircon water leaks come from a blocked drain line. Frozen coils, damaged insulation and condensate pump faults are next. Here's what's likely and how it's fixed.
Read guideAircon Not Turning On: What to Check First
Before calling a technician, check the power, isolator, breaker and remote. Then know the safety limits — capacitor and PCB faults need a licensed visit.
Read guideAircon Repair vs Replacement: When to Fix or Replace
Age, refrigerant type, repair cost ratio and energy efficiency all matter. Here's how we weigh repair vs replacement honestly, without pushing new sales.
Read guideHow Much Does Aircon Repair Cost in Malaysia?
Aircon repair pricing in Malaysia varies hugely by fault type. Here's a transparent breakdown of typical price bands by category and what drives cost up or down.
Read guideWhy Is My Aircon Making Loud Noises?
Rattling, grinding, buzzing or hissing — each aircon noise points to a different fault. Here's what each one usually means and which ones can't wait.
Read guideAircon Chemical Wash
Aircon Chemical Wash Price in Malaysia: What to Expect
Chemical wash pricing varies by unit type and quantity. Here's a transparent breakdown of typical Malaysian price bands and what's actually included.
Read guideChemical Wash vs Normal Aircon Service: What's the Difference?
Normal service rinses filters and accessible parts. Chemical wash uses degreaser to deep-clean the coil and drain. Here's when each is the right choice.
Read guideHow Often Should You Do an Aircon Chemical Wash?
Typically every 6–12 months, depending on usage and dust. Here's how to set the right cadence for your home and the signs you're overdue.
Read guideSigns Your Aircon Needs a Chemical Wash
Persistent musty smell, visible mould, weak airflow despite cleaning, allergy symptoms when the aircon runs — clear signs you've moved past 'normal service' territory.
Read guideWhat Is an Aircon Chemical Wash and How Does It Work?
A chemical wash uses a degreaser to dissolve mould and grime that a normal rinse can't reach. Here's the step-by-step procedure and what it actually cleans.
Read guideAircon Installation
Best Aircon Brand for Klang Valley Homes: Daikin vs Panasonic vs Mitsubishi
Daikin, Panasonic and Mitsubishi all make reliable aircon for Malaysian homes. Here's how they compare on durability, parts availability, warranty and price.
Read guideHow Much Does Aircon Installation Cost in Malaysia?
Aircon installation pricing in Malaysia depends on HP, brand and piping distance. Here's a transparent breakdown of price bands and what's actually included.
Read guideInverter vs Non-Inverter Aircon: Which Is Better for Malaysian Homes?
Inverter aircon costs more upfront but uses 30–40% less electricity. For daily long-hour use, the savings pay off. Here's how to decide for your situation.
Read guideWhat Size (HP) Aircon Do I Need for My Room?
HP-to-room-size guide for typical Malaysian homes, with adjustments for ceiling height and sun exposure. Why over-sizing wastes energy and under-sizing fails to cool.
Read guideWhat to Expect During Aircon Installation
From site assessment to commissioning, here's the full walk-through of an aircon installation day — what we do, in what order, and how long it takes.
Read guideAircon Chemical Overhaul
Chemical Wash vs Chemical Overhaul: Which Does Your Aircon Need?
A chemical wash cleans in place; an overhaul fully dismantles the indoor unit. Here's when each is genuinely warranted and the cost difference between them.
Read guideHow a Chemical Overhaul Stops Persistent Aircon Water Leaks
If chemical washes haven't stopped the leak, the drain pan and coil are too clogged for surface cleaning. Here's how a full overhaul fixes the source.
Read guideWhen Does an Aircon Need a Full Chemical Overhaul?
Age, neglect, recurring leaks after washes, heavy mould — these are the indicators that an overhaul is the right service, not a regular chemical wash.
Read guideAircon Gas Top Up
How to Spot an Aircon Refrigerant Leak
Ice formation, oily residue at joints, gradual cooling loss and repeated top-ups all indicate a refrigerant leak. Here's how to spot the signs and what to do.
Read guideR32 vs R410A vs R22: Aircon Refrigerant Gases Explained
R32 is the newest and most efficient. R410A is mid-age. R22 is being phased out for environmental reasons. Here's why the type matters for top-ups and replacement.
Read guideSigns Your Aircon Needs a Gas Top Up
Weak cooling, ice on copper pipes, longer running times and a hissing sound all point to low refrigerant. Here's why a top-up alone may not fix the problem.
Read guideCommercial Aircon Service
Aircon Maintenance Contracts for Shops and Offices in Cheras
Scheduled aircon servicing on a flat-rate contract keeps commercial cooling reliable and downtime predictable. Here's what a contract should include and how it's priced.
Read guideCeiling Cassette vs Wall-Mounted Aircon Servicing: What's Different?
Cassette units are ceiling-mounted, often grease-exposed, and need height-access. Wall units are simpler. Here's how servicing differs and why it matters for commercial premises.
Read guideReady to Book Your Aircon Service?
Government-licensed technicians, transparent pricing, and 24/7 availability for urgent repairs.