Dual Inverter Technology

LG Aircon Servicing Singapore

Specialist servicing for LG Dual Inverter, Artcool, and DUALCOOL aircon systems. Energy-efficient cooling maintained by direct technicians.

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4.3 Stars (1,095+ Reviews) 20+ Years Experience 90-Day Warranty 26 Technicians

LG's Dual Inverter: Engineering Efficiency

LG has carved a strong position in Singapore's aircon market with their Dual Inverter compressor technology. Unlike single inverter units, LG's dual inverter uses a twin rotary compressor that operates more smoothly with less vibration, resulting in quieter operation and up to 70% energy savings compared to non-inverter models.

The Artcool series stands out with its mirror-finish panel design, appealing to Singapore homeowners who want their aircon to complement modern interior styling. The DUALCOOL series adds LG's Plasmaster Ionizer, which claims to neutralise airborne bacteria and allergens — a feature particularly valued in Singapore's tropical climate.

LG units in Singapore predominantly use R32 refrigerant, and the Dual Inverter compressor comes with LG's 10-year warranty on the compressor itself. However, other components like sensors, PCBs, and fan motors still require regular maintenance to keep the system running optimally.

LG Artcool mirror finish aircon unit in a modern Singapore condominium living room

Common LG Aircon Issues We Fix

CH Error Codes on Display

LG uses CH error codes — CH02 for pipe sensor, CH05 for communication errors, CH10 for fan motor faults. We carry LG diagnostic tools to quickly pinpoint and resolve these specific error codes on-site.

Musty Odour from DUALCOOL Unit

Even with the Plasmaster Ionizer, LG coils accumulate mould in Singapore's humidity. The ionizer reduces airborne particles but cannot prevent biofilm buildup on wet coil surfaces. Chemical wash restores fresh air output.

Artcool Panel Condensation

The Artcool's flat mirror panel can develop surface condensation in highly humid conditions. This is not a leak but a design characteristic. We check insulation integrity and adjust settings to minimise this effect.

Dual Inverter Short Cycling

When an LG Dual Inverter unit repeatedly starts and stops in short cycles, it typically indicates a refrigerant issue, dirty condenser coil, or faulty inverter board. We diagnose the root cause before recommending repairs.

LG Aircon Services We Offer

General Servicing

Filter cleaning, coil inspection, gas pressure check, and drain cleaning for all LG models.

From S$50

Chemical Wash

Deep chemical cleaning for LG coils and blower. Special care for Artcool mirror panels during disassembly.

From S$80

R32 Gas Top-Up

Certified R32 refrigerant handling for LG Dual Inverter units with leak detection.

From S$80

Repair & Diagnostics

CH error code resolution, inverter board repair, sensor replacement, and fan motor servicing.

Diagnosis from S$30

Installation

New LG Dual Inverter, Artcool, or DUALCOOL system installation with proper sizing and piping.

Quote on request

Annual Contract

4 quarterly visits to maintain LG compressor warranty and system efficiency year-round.

From S$200/year

LG Aircon FAQ

How often should I service my LG aircon?
Service your LG aircon every 3-4 months in Singapore. The Dual Inverter compressor is efficient but evaporator coils and filters still accumulate dust and mould in tropical humidity, reducing airflow and cooling. Regular servicing also protects LG's 10-year compressor warranty.

My LG aircon shows CH error code. What does it mean?
LG CH error codes indicate specific faults: CH02 is indoor pipe sensor error, CH05 is indoor/outdoor communication error, CH10 is indoor fan motor error. WhatsApp us the exact code displayed on your unit and we can advise whether it requires immediate attention or can wait for scheduled maintenance.

Is LG Dual Inverter aircon expensive to service?
No, LG Dual Inverter units cost the same to service as other brands — general servicing from $50, chemical wash from $80. The Dual Inverter compressor actually has fewer moving parts than conventional compressors, which means lower long-term maintenance costs and better reliability.

Can you service LG Artcool and DUALCOOL models?
Yes, we service all LG models including Artcool Mirror series (which requires careful panel handling during cleaning), DUALCOOL with Plasmaster Ionizer, and standard wall-mounted Dual Inverter units. Each model has different disassembly steps that our technicians are trained for.

Why does my LG aircon smell bad after turning on?
Musty or foul odour from an LG unit indicates mould or bacteria on the evaporator coils and blower fan. Singapore's high humidity accelerates this growth. Even DUALCOOL's ionizer cannot prevent biofilm on wet surfaces. A chemical wash kills 99.9% of bacteria and eliminates the smell completely.

Need LG Aircon Service?

WhatsApp us your LG model number for a transparent quote. Same-day service available.

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