Your One-Stop Aircond Partner Since 1987
From equipment supply and professional installation to servicing, repair, genuine spare parts and commercial VRF systems, Thiam Seng supports homes and businesses across Petaling Jaya and the Klang Valley.
Air-Conditioning Services for Every Requirement
We serve homeowners, businesses, contractors and commercial projects with equipment supply, installation, maintenance and dependable after-sales support.
Wholesale & Retail
Supply of Panasonic, Daikin, Midea and Haier air conditioners for homeowners, businesses and project requirements.
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VRF & VRV Systems
Commercial system design, equipment selection, installation, testing and commissioning for larger buildings.
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Repair & Troubleshooting
Professional checking for cooling problems, error codes, electrical trips, unusual noise, odours and leaks.
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Cleaning & Maintenance
Normal and chemical servicing to improve cleanliness, drainage, airflow and overall operating condition.
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Supply & Installation
Wall-mounted, cassette, mini-cassette and ducted systems with complete piping and installation works.
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Genuine Spare Parts
Compatible replacement components including controllers, compressors, motors, sensors, drain pumps and remotes.
View details →Wholesale & Retail Air Conditioners
Founded in 1987, Thiam Seng Electrical Trading Co. supplies air conditioners and home appliances to homeowners, businesses and contractors throughout the Klang Valley.
We are a Panasonic authorised dealer and one of the recognised authorised service and spare-parts partners for Panasonic Malaysia. Our long-standing sales performance reflects our product knowledge, availability and commitment to after-sales support.
- Panasonic air conditioners
- Daikin air conditioners
- Midea air conditioners
- Haier air conditioners
- Residential requirements
- Commercial and bulk orders
Panasonic VRF & Daikin VRV Systems
We provide end-to-end commercial air-conditioning solutions designed for energy efficiency, flexible zoning and dependable building comfort.
- Site assessment and load calculation
- System design and equipment selection
- Indoor and outdoor equipment supply
- Copper piping and insulation
- Controls and system integration
- Testing and commissioning
- Operational handover
- Warranty and after-sales support
Repair & Troubleshooting
Our technicians diagnose residential and commercial air-conditioning problems and recommend appropriate repair or replacement options based on the equipment condition.
- Aircond not cold
- Cannot switch on or off
- Unusual operating noise
- Unpleasant odour
- Blowing warm air
- Error code or timer blinking
- Electrical tripping
- Refrigerant leakage
Dismantling Existing Air Conditioners
We dismantle existing air-conditioning equipment carefully for replacement, relocation, renovation or disposal requirements.
- Wall-mounted indoor and outdoor units
- Ceiling-exposed units
- Cassette units
- Ducted units
- Indoor and outdoor brackets
- Flexible ducts and grilles
Normal Service or Chemical Service
Choose the service level according to the unit’s condition. Our team checks the operating condition after the cleaning work is completed.
Normal Service
- Remove and clean front grille
- Wash and clean filters
- Clear accessible drain pipe
- Check gas operating condition
- Check power-supply voltage
- Check indoor cooling performance
- Check compressor running current
- Refrigerant top-up if required*
- 30-day workmanship warranty
Chemical Service
- Pre-service unit inspection
- Dismantle accessible indoor components
- Chemical-clean evaporator coil
- Clean cross-flow fan
- Clean outdoor condenser unit
- Wash indoor casing
- Flush accessible drainage line
- Check gas and cooling condition
- Check compressor running current
- Refrigerant top-up if required*
- 30-day workmanship warranty
*Refrigerant top-up is subject to system condition, refrigerant type and applicable charges.
Genuine & Compatible Part Replacement
We prioritise genuine or manufacturer-compatible components selected according to the air-conditioner model and technical requirements. Diagnosis and stock confirmation are required before replacement.
Site Assessment & System Selection
We assess room size, layout, heat exposure, insulation and usage before recommending suitable air-conditioner capacity and installation placement.
Correct capacity selection improves comfort and efficiency while helping to avoid unnecessary energy consumption and premature equipment wear.
- Room and usage assessment
- Cooling-capacity recommendation
- Indoor-unit placement planning
- Outdoor-unit location review
- Piping-route planning
- Installation quotation
Supply & Installation Works
We supply and install Panasonic, Daikin, Midea and Haier wall-mounted, mini-cassette, cassette and ducted air-conditioning systems.
- Hacking, drilling and coring
- Copper refrigerant piping
- PVC drain piping
- Power and control wiring
- Pipe insulation
- Cable tray
- Trunking and PVC casing
- PVC conduit
- Outdoor-unit bracket
- Vacuum and operational testing
Ventilation & Electrical Services
Supporting works are available for selected residential and commercial requirements.
- Exhaust-fan installation
- 24-hour timer switch
- Electrical wiring
- New switch and socket outlet
- Lighting installation
Home Appliance Service & Installation
Our support also covers selected Panasonic home appliances, including supply, delivery, installation, checking and repair services.
- Supply and install ceiling fans
- Dismantle ceiling fans
- Check and repair refrigerators
- Supply and deliver refrigerators
- Check and repair washing machines
- Supply and deliver washing machines
- Service washing-machine drums
- Check and repair dryers
- Supply and deliver dryers
- Service dryers
- Check and repair water heaters
- Install and dismantle water heaters
How Can We Help You?
Send us your air-conditioner model, service location and a brief description of what you need. Our team will advise the appropriate next step.
WhatsApp 018-250 0089