Ninja Cool: Aircon Repair Services in Singapore

When Your Aircon Breaks Down in Singapore, Every Hour Counts

Singapore’s tropical climate doesn’t forgive a broken aircon. With outdoor temperatures hovering above 30°C and humidity often above 80%, even a few hours without cooling makes sleep impossible, makes work spaces unproductive, and — left unfixed — turns a minor fault into a major bill.

Most aircon repair Singapore calls fall into three urgency tiers:

Immediate (call us within hours): No cooling at all, burning smell, electrical sparking, gas smell, complete unit shutdown 🟡 Same-day to next-day: Water leaking from the indoor unit, ice forming on copper pipes, loud unusual noises, sudden energy bill spike 🟢 This week: Weaker cooling than usual, longer cool-down times, mild musty smells, intermittent fan issues

Whatever tier your problem falls into — we’ll handle it. Below is a complete guide to what we repair, how much it costs, and how our process works.

Common Aircon Problems We Repair — TOFU/MOFU (Diagnostic Content)

12 Common Aircon Problems Our Technicians Fix Every Week

Knowing what’s wrong with your aircon helps you ask the right questions and avoid being upsold on repairs you don’t need. Here are the most frequent issues we resolve across HDB flats, condominiums, landed homes, and commercial spaces in Singapore.

1. Aircon Not Cold (Weak or No Cooling)

The most common complaint we receive. Causes range from a dirty filter (free DIY fix) to low refrigerant gas, a failing compressor, a faulty thermostat, blocked condenser coils, or a dying capacitor. A proper diagnosis is everything — we don’t guess.

2. Aircon Water Leaking from Indoor Unit

Usually a blocked drainage pipe — often a quick S$50–S$80 fix. Sometimes it’s a cracked drain tray, a frozen evaporator coil due to low gas, or an installation angle issue causing water to pool instead of drain.

3. Aircon Making Unusual Noises (Rattling, Grinding, Buzzing, Hissing)

Rattling usually means a loose fan blade or panel. Grinding suggests bearing wear. Buzzing points to electrical issues. Hissing is the warning sign — a refrigerant leak that needs immediate attention.

4. Foul Smells (Musty, Sour, or Burning)

Musty smells = mould inside the fan coil unit (chemical wash needed). Sour smells = bacterial growth in the drain pan. Burning smells = electrical fault — switch the unit off and call us immediately.

5. Aircon Compressor Not Working

The most expensive repair on the list. Compressor failure is often caused by years of low refrigerant operation, electrical surges, or simple age. Replacement cost ranges S$600–S$1,500. Sometimes replacement of the whole unit is more economical — we’ll tell you honestly.

6. Refrigerant Gas Leak / Gas Top-Up Required

If your aircon cools well for 20 minutes then stops, you likely have a refrigerant leak. We use proper electronic leak detectors, fix the leak source, then re-gas with R32, R410A, or R22 depending on your system.

7. Faulty Thermostat or Remote Control

Cooling doesn’t match the temperature you set? Sensor or thermostat fault. Usually a simple, affordable replacement.

8. Aircon Tripping Circuit Breaker / Power Issues

A serious safety signal. Could be a faulty compressor pulling excess current, damaged wiring, or an undersized circuit. We diagnose properly before recommending repair.

9. PCB (Printed Circuit Board) Failure

Symptoms: unit doesn’t respond to remote, lights blinking error codes, intermittent operation. PCB replacement ranges S$150–S$350 depending on model.

10. Fan Motor / Blower Failure

The unit turns on but no air comes out, or airflow is dramatically reduced. Usually motor or capacitor replacement.

11. Frozen Evaporator Coil / Ice Build-Up

Caused by restricted airflow or low refrigerant. We thaw, diagnose the root cause, and fix — not just clear the ice and walk away.

12. Drainage System Blockage / Backflow

Often the underlying cause of leaks, smells, and even mould issues. A proper vacuum flush of the drain line solves most cases.

Complete Aircon Repair Singapore Service — One Trusted Team

NinjaCool provides end-to-end aircon repair services for every aircon type, brand, and fault. Whatever the issue, we have the diagnostic equipment, spare parts, and experience to fix it properly.

Residential Aircon Repair

HDB flats, executive condos, private condominiums, landed homes — we handle split systems, multi-split systems, window units, portable units, and ceiling cassettes for residential customers across Singapore.

Commercial Aircon Repair

Offices, F&B outlets, retail spaces, clinics, salons, warehouses, and showrooms. We understand business downtime is expensive — that’s why we prioritise commercial calls and offer flexible after-hours scheduling.

24-Hour Emergency Aircon Repair Singapore

Burning smell, electrical sparking, complete shutdown, severe water leak? Our emergency line is staffed round-the-clock. After-hours surcharges apply but are quoted upfront — no surprise bills.

Aircon Gas Top-Up & Leak Repair

Full-service refrigerant work: leak detection, leak repair, vacuum, recharge. We handle R32 (current standard), R410A, and R22 (older systems) under NEA-compliant procedures.

Major Component Replacement

Compressor, PCB board, fan motor, capacitor, thermostat, sensors, expansion valve, drain pan. We use original or manufacturer-equivalent parts — never the cheapest spares.

Aircon Repair & Replacement Consultancy

Sometimes repair is the wrong answer. If your unit is over 8 years old, has a failed compressor, or repeated breakdowns, we’ll honestly recommend replacement — and quote that too.

Post-Repair Aircon Servicing

Many breakdowns start as neglected maintenance. After a major repair, we offer follow-up servicing to prevent recurrence. Our aircon servicing team works hand-in-hand with our repair team — same company, full service history retained.

All Major Aircon Brands Repaired by Brand-Trained Technicians

Our technicians are trained on inverter and non-inverter systems from every brand sold in Singapore:

🔵 Daikin 🔵 Mitsubishi Electric (Starmex) 🔵 Mitsubishi Heavy Industries 🔵 Panasonic 🔵 Fujitsu 🔵 LG 🔵 Samsung 🔵 Hitachi 🔵 Toshiba 🔵 Midea 🔵 Carrier 🔵 York 🔵 Sanyo 🔵 Sharp

We also repair older and discontinued models that many other companies will refuse to touch.

What Actually Happens During a NinjaCool Repair Call

We believe a customer should always know exactly what they’re paying for. Here’s our proven 5-step aircon repair workflow:

Step 1 — Booking & Pre-Diagnosis (10 minutes) You call, WhatsApp, or book online. Our coordinator asks the right questions — symptoms, unit age, brand, error codes — so the technician arrives with the right parts and tools.

Step 2 — On-Site Diagnosis (15–45 minutes) The technician arrives, runs a structured fault-finding checklist using calibrated tools: pressure gauges for refrigerant, multimeters for electrical faults, leak detectors, and digital thermometers. Guesswork doesn’t happen here.

Step 3 — Transparent Written Quote Before any repair work begins, you get an itemised quote — labour, parts, GST, and any potential additional work clearly listed. No verbal estimates. No “we’ll see when we open it up.” You approve, then we proceed.

Step 4 — Repair Execution Our technicians follow manufacturer-approved procedures with genuine parts. We protect your floors with drop sheets, work efficiently, and clean up properly before leaving.

Step 5 — Test, Document & Warrant Every repair is tested for at least 15 minutes — cooling output, airflow, sound profile, electrical draw. You receive a service report documenting what was fixed, what parts were used, and the 90-day warranty terms.

A typical residential repair is completed in 60–120 minutes. Major component replacements (compressor, full PCB) may require a second visit if specialty parts need ordering.

Aircon Repair Price Singapore — Honest, Upfront Rates

Pricing varies based on unit type, brand, and the specific fault — but we publish typical ranges so you know what fair looks like before anyone steps into your home. All prices below are indicative, GST-inclusive ranges based on standard HDB / condo split-system jobs in 2026.

Diagnostic & Inspection

Common Repairs

Major Repairs

Replacement Option

No hidden charges. All quotes are itemised and approved before work begins. Emergency (after-hours, public holiday) calls carry a 30–50% surcharge clearly disclosed upfront.

Aircon Repair or Replacement? Here’s How to Decide Honestly

Sometimes the smartest repair is no repair at all. We’ll always give you the honest answer — even if it costs us the job. Use this framework to evaluate your options:

✅ Choose Repair When:

• Your unit is under 7 years old
• The repair quote is less than 40–50% of the cost of a new unit
• The fault is in a single component (sensor, capacitor, fan motor, thermostat)
• The unit has otherwise been well-maintained
• The model is still supported with available spare parts

🔄 Consider Replacement When:

• Your unit is 8+ years old (10+ for premium brands like Daikin/Mitsubishi)
• The compressor has failed (replacement often costs 60–80% of a new unit)
• You’ve had three or more breakdowns in the past 12 months
• Cooling efficiency is permanently degraded even after servicing
• The unit still uses R22 refrigerant (being phased out — expensive and hard to source)
• Electricity bills have steadily climbed despite normal usage

A modern inverter aircon uses 30–50% less electricity than a 10-year-old non-inverter unit. Sometimes the “expensive” replacement actually saves money within 2–3 years on the SP bill.

How to Prevent Frequent Aircon Repairs in Singapore

The cheapest aircon repair is the one you never had to make. Here’s what we recommend to every customer:

1. Service every 3–4 months.In Singapore’s climate, this isn’t optional. A serviced aircon develops fewer faults, lasts longer, and uses less electricity. See our aircon servicing packages.
2. Clean filters yourself every 2–3 weeks.Pop them out, rinse with mild soapy water, air-dry, and replace. Five-minute job that prevents 40% of common faults.
3. Set sensible temperatures.24–26°C is the sweet spot for efficiency and comfort. Running at 18°C constantly stresses every component.
4. Use the timer function.Don’t leave the aircon running 24/7 unless someone is home. Modern inverter units cycle far more efficiently than they run continuously at extreme settings.
5. Keep the outdoor condenser clear.No plants, no laundry, no debris within 60cm. The condenser needs to breathe to release heat.
6. Close doors and windows when running.Sounds obvious, but uncontrolled airflow forces the system to work overtime.
7. Address small symptoms early.A musty smell or a slight efficiency drop is the cheapest possible moment to repair. Waiting until the unit dies converts a S$80 fix into a S$800 fix.
8. Use the auto-clean functionif your model has one — usually after each session, especially in humid weather.

Where We Provide Aircon Repair Singapore Service

NinjaCool serves the entire island. Our technicians know the access requirements for every housing type — narrow service yards in older HDBs, MCST rules in major condo developments, after-hours protocols for commercial buildings.

We regularly handle aircon repair near me searches from customers in:

Central: Bukit Timah, Bishan, Toa Payoh, Novena, Newton, Orchard, Tiong Bahru, Holland Village, Bukit Merah East: Tampines, Bedok, Pasir Ris, Changi, Katong, Marine Parade, Simei, East Coast West: Jurong East, Jurong West, Clementi, Bukit Batok, Choa Chu Kang, Boon Lay, Pioneer North: Woodlands, Yishun, Sembawang, Ang Mo Kio, Mandai North-East: Hougang, Sengkang, Punggol, Serangoon South & CBD: HarbourFront, Telok Blangah, Sentosa Cove, Tanjong Pagar, Raffles Place, Shenton Way

Not on the list? Call us anyway — we serve all 28 districts of Singapore.

Why Singapore Households & Businesses Trust NinjaCool for Aircon Repair

🏆 10+ Years of Specialised Repair Experience

NinjaCool Services Pte Ltd has been Singapore’s go-to aircon repair specialist for over a decade. We’ve diagnosed thousands of compressor faults, chased countless refrigerant leaks, and replaced more PCBs than most companies have technicians.

BCA-Trained & Insured Technicians

Every technician on our team is trained in-house, insured, and equipped with proper diagnostic equipment — pressure gauges, manifold sets, electronic leak detectors, multimeters, and digital thermometers. We don’t show up with just a screwdriver and a smile.

Genuine 24-Hour Emergency Response

When we say 24-hour aircon repair, we mean it. Our emergency line is monitored round-the-clock. For genuine emergencies (no cooling in heat, burning smell, electrical fault, severe leakage), a technician will be at your door fast — usually within 2–4 hours.

Truly Transparent Pricing

You’ll never get a “we’ll figure it out as we go” answer from us. Every quote is itemised: parts, labour, GST, surcharges. You approve before we touch anything.

90-Day Workmanship Warranty

Every repair is backed by a 90-day workmanship guarantee. If the same fault returns within that window, we return and fix it at no charge — no questions, no fine print.

Genuine OEM & OEM-Equivalent Parts

Cheap aftermarket parts cause repeat breakdowns. We use original manufacturer parts wherever possible, and approved equivalents where OEM isn’t available. We document every part used on your service report.

Full Service History Retained

Every repair we do is logged against your address. The next time you call us, the technician already knows your unit’s history — which means faster diagnosis and no duplicate work.

Residential AND Commercial Capability

From a single-room studio in Tiong Bahru to a 50-unit ceiling cassette system in a CBD office — we scope our team and equipment to fit the job.