What services does Thiam Seng Electrical Aircond. provide?

We supply, install, and service air conditioners for homes, offices, and projects. We are authorized dealers for Panasonic, Haier, Midea, and Daikin. Services include chemical cleaning, normal maintenance, troubleshooting, dismantle, part replacement, and home appliance services.

Where is Thiam Seng Electrical Aircond. located?

We are located at No.2A-1, Jalan PJU 8/5B, Damansara Perdana, 47820 Petaling Jaya, Selangor, Malaysia.

How can I contact Thiam Seng Electrical Aircond.?

You can call us at +60182500089 (Mr Lim), email at tsetc@thiamseng.com, or message via WhatsApp at https://wa.me/60182500089.

What types of air conditioners do you supply and install?

We supply and install Panasonic, Midea, Daikin, and Haier air conditioners, including Wall Mounted, Mini Cassette, Cassette, and Ducted units (Standard and Inverter).

Do you provide repair and troubleshooting services?

Yes, our skilled technicians can repair and troubleshoot all kinds of air conditioning issues, including units not cooling, noisy ACs, error codes, timer blinking, gas leaks, and more.

Do you offer part replacement for air conditioners?

Absolutely. We use high-quality, genuine parts for replacements, including electronic controller boards, compressors, capacitors, fan motors, sensors, copper piping, wiring, drain pumps, filters, and more.

What is included in your chemical service?

Our chemical service includes inspection, dismantling the indoor unit, cleaning evaporator coils and fans, chemical cleaning of condenser units, washing and wiping indoor casing, flushing drain pipes, checking gas pressure, topping up refrigerant if needed, and a 30-day workmanship warranty.

Do you provide normal maintenance service?

Yes, our normal service includes cleaning indoor grills and filters, clearing drain pipes, checking outdoor unit gas, power supply, cooling performance, topping up refrigerant if needed, and a 30-day workmanship warranty.

Do you offer site assessment and design for air conditioning systems?

Yes, we perform thorough site visits to recommend the best placement and optimal horsepower for your air conditioning system, ensuring maximum efficiency and comfort.

Who is Thiam Seng Electrical Aircon?

Thiam Seng Electrical Aircon is an established air conditioning specialist in Malaysia since 1987. We supply, install, and service major aircond brands such as Panasonic, Daikin, Midea, and more for both residential and commercial properties.

Is Thiam Seng Electrical Aircon an authorized Panasonic dealer?

Yes, we are an Authorized Panasonic Dealer since 1995, and also an Authorized Service Partner and Stockist for Panasonic air conditioner spare parts since 2004.

Does Thiam Seng Electrical Aircon provide VRF system solutions?

Yes. We specialize in Panasonic and Daikin VRF systems for large-scale commercial and residential projects, handling sales, design, installation, commissioning, and maintenance.

Do you offer aircond repair and troubleshooting services?

Yes. Our experienced technicians provide on-site aircond troubleshooting, compressor and part replacement, gas refilling, and both normal and chemical cleaning services.

What other products does Thiam Seng Electrical Aircon sell?

We sell new and refurbished home appliances such as refrigerators, washing machines, water heaters, and fans, all tested for quality and reliability.

How can I contact Thiam Seng Electrical Aircon?

You can contact us via phone at 018-2500089 or email us at tsetc@thiamseng.com. Alternatively, visit our website at https://www.thiamseng.com/ for more details.

What are your business hours?

Our business hours are Monday to Saturday, from 9:00 AM to 6:00 PM. We are closed on Sundays and public holidays.

Do you provide home appliance services?

Yes, we offer supply, installation, and repair for ceiling fans, refrigerators, washing machines, dryers, and water heaters.

What makes Thiam Seng Electrical Aircon different from others?

Our 38 years of experience, technical expertise, and trusted partnerships with major aircond brands make us one of the most reliable choices in Petaling Jaya. We emphasize honest service, professional installation, and long-term customer satisfaction.

Does Eco Mode really save electricity?

Yes. Eco Mode limits compressor power and maintains steady cooling, reducing electricity consumption during long usage.

Is Sleep Mode more efficient than Eco Mode?

Sleep Mode focuses on comfort and slight energy savings at night, while Eco Mode generally saves more electricity overall.

Does turning aircond on and off waste more electricity?

Yes. Frequent restarting uses more power because the compressor consumes the most electricity during startup.

Should inverter aircond be turned off frequently?

No. Inverter airconds are more efficient when left running steadily rather than being turned on and off repeatedly.

Why do some aircond installers charge more?

Higher charges usually include proper vacuuming, quality outdoor brackets, better materials, and correct installation standards.

Is vacuuming necessary during aircond installation?

Yes. Vacuuming removes air and moisture from the system, ensuring better cooling efficiency and longer compressor lifespan.

What happens if aircond installation is done without vacuuming?

Skipping vacuuming can cause poor cooling, higher electricity bills, compressor damage, and future gas problems.

Are outdoor brackets important?

Yes. Outdoor brackets improve stability, reduce vibration, prevent damage, and extend the lifespan of the outdoor unit.

Does chemical service of aircond reduce electricity bills?

Yes. Annual chemical service cleans coils and refrigerant lines, allowing the AC to cool more efficiently and use less electricity.

How often should chemical service be done?

Once a year is recommended for Malaysian homes. Heavy usage or very humid areas may require every 6–8 months.

Will chemical service extend my AC lifespan?

Yes. It removes sludge, mold, and debris that can cause compressor strain and premature failure.

Can I combine normal and chemical service?

Yes. Normal service every 3–4 months plus chemical service once a year gives optimal performance and efficiency.

Is it safe to reuse old copper pipes for new aircond?

Copper pipes can only be reused if they are compatible with the new refrigerant, properly flushed, pressure-tested, and in good condition. Otherwise, reuse is risky.

Can poor aircond installation increase electricity bills?

Yes. Poor installation such as incorrect pipe size, bad insulation, or gas leakage causes higher electricity consumption.

Why do cheap aircond installations cause more problems later?

Cheap installations often skip proper procedures, use low-quality materials, and result in frequent breakdowns and higher long-term costs.

Does incorrect installation affect aircond warranty?

Yes. Manufacturers may reject warranty claims if installation does not meet their technical requirements.

What is the best temperature to sleep with AC in Malaysia?

24–26°C is recommended — 25°C is a practical starting point.

Is it cheaper to use AC with a fan?

Yes. A fan helps distribute cool air so the AC can run at a milder setting, reducing electricity use.

Can sleeping with AC cause sickness?

Not if the AC is clean and set correctly. Most issues stem from overcooling or dirty filters/coils.

Should I leave an inverter AC on all night?

Yes — inverter ACs are designed for long operation and are energy-efficient. Use Sleep Mode and a sensible temperature to save energy.

How often should I service my AC if I use it nightly?

For nightly use, normal service every 3–4 months and a chemical deep clean every 12 months is recommended.

Does aircond gas finish naturally?

No. If your refrigerant is low, there is a leak that must be repaired.

How long should aircond gas last?

With proper installation, aircond gas can last 5–10 years or more.

Is gas top-up enough?

No. You must repair the leak or the gas will run out again.

Why does my aircond leak water?

Usually due to a blocked drain pipe, dirty coil or clogged blower fan.

When should I do chemical cleaning?

When airflow is weak, the coil is clogged or bad smell appears.

How much does a 1HP aircond cost per month?

A 1HP non-inverter costs around RM100–RM130/month while an inverter costs RM60–RM80/month.

Does inverter aircond save electricity?

Yes, inverter aircond saves 30–50% electricity by reducing compressor speed after cooling the room.

Which HP is suitable for a bedroom?

1HP is suitable for small/medium bedrooms. 1.5HP is better for rooms with direct sunlight or balcony.

Does temperature affect aircond electricity usage?

Yes. Lower temperatures use more electricity. Setting 24–26°C saves the most energy.

How long does a chemical service take?

Usually 1.5–3 hours per indoor unit depending on model and dirt level. We perform a pressure & gas check after reassembly.

Can I just do normal service instead of chemical?

Normal service is fine for routine upkeep. If you have bad smell, poor cooling, or leaks — chemical service is recommended to restore performance.

Will chemical cleaning damage my unit?

No — when done by trained technicians using appropriate chemicals and rinsing methods. Always choose certified technicians.

Eco Mode vs Sleep Mode — Which Saves More Electricity?

Name: Thiam Seng Electrical Aircond
Address: No.2A-1, Jalan PJU 8/5B, Damansara Perdana, Petaling Jaya, Selangor, 47820, MY
Telephone: +60182500089
Price range: RM
Rating: 5.0

Jan 19, 26

Eco Mode vs Sleep Mode — Which Saves More Electricity? (And Should You Turn Aircond On & Off?)

Many Malaysian homeowners ask two common questions:

Eco Mode or Sleep Mode — which saves more electricity?
Is it better to turn aircond on and off, or leave it running?

This article answers both clearly, without technical jargon.

1. What Is Eco Mode?

Eco Mode is designed to reduce power consumption while maintaining comfort.

Limits compressor power
Maintains steady temperature
Reduces electricity spikes

Best for: Long hours usage (daytime or overnight)

2. What Is Sleep Mode?

Sleep Mode is designed for night use and comfort.

Gradually increases temperature (1–2°C)
Reduces cooling intensity as you fall asleep
Prevents overcooling at night

Best for: Sleeping hours (6–8 hours)

3. Eco Mode vs Sleep Mode — Which Saves More Electricity?

Feature	Eco Mode	Sleep Mode
Electricity saving	High (steady control)	Moderate (comfort-based)
Best usage time	Long continuous use	Night sleep
Temperature control	Stable	Gradually increases
Comfort level	Consistent	More comfortable for sleep

Conclusion: Eco Mode generally saves more electricity overall, but Sleep Mode is better for night comfort.

4. Does Turning Aircond On and Off Waste More Power?

Yes — frequent ON and OFF can use more electricity.

Here’s why:

Aircond uses the most power when starting
Compressor works hardest to cool a warm room
Repeated restarts increase energy spikes

Which Is Better?

Short breaks (under 1 hour): Leave it ON using Eco or Sleep Mode
Long absence (several hours): Turn it OFF

5. Inverter Aircond: Different Rule

If you are using an inverter aircond:

Leaving it ON uses less power than restarting frequently
Inverter compressor adjusts speed efficiently
Eco Mode works best with inverter systems

Turning inverter aircond ON and OFF repeatedly reduces its efficiency advantage.

6. Best Electricity-Saving Setup (Malaysia Homes)

Set temperature to 24–26°C
Use Sleep Mode at night
Use Eco Mode for long usage
Avoid frequent ON/OFF
Service aircond regularly

7. Final Verdict

✔ Eco Mode saves more electricity for long usage ✔ Sleep Mode improves night comfort and prevents overcooling ✔ Turning aircond ON and OFF frequently wastes power ✔ Inverter airconds perform best when left running steadily

Using the right mode the right way can reduce your electricity bill without sacrificing comfort.

Need Advice or Aircond Service? Call Us

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