Aircond Raised Your Electricity Bill? Here’s the Fix Malaysians Need (2026)
- Nabihah
- 11 minit lalu
- 3 min membaca
Contents
Introduction
Did your electricity bill suddenly spike after installing aircond? You're not alone.
Many Malaysians are shocked to see their TNB bill double after installing an air conditioner. In this article, we break down the main reasons behind it and how to easily fix the problem — without giving up your comfort.
1. How Aircond Usage Affects Your Electricity Bill
Airconds are among the biggest contributors to your monthly power usage.
Fact: According to the Energy Commission, cooling systems (including airconds) account for over 40% of household electricity consumption in Malaysia.
Example:If your typical bill is RM200, after installing just one aircond and using it for 8 hours daily, your bill could rise to RM350 or more.
Why does this happen?
Airconds consume a lot of energy for continuous cooling
Using them overnight (8–12 hours) doubles usage cost
Older models are less energy-efficient compared to inverter models
FAQ:
Q: Do all types of airconds cause a high electricity bill?
A: No. Inverter models are more energy-efficient than conventional ones.
2. Main Reasons Why Your Bill Increased After Installing Aircond
Common causes many homeowners overlook:
Lack of regular servicing: Dirt makes the aircond work harder
Too low temperature (<22°C): The lower the temp, the higher the energy use
Wrong aircond size: Oversized or undersized BTUs reduce efficiency
Poor placement: If placed under direct sunlight or too high, more energy is used
Poor heat insulation: More outside heat enters, making aircond run longer
FAQ:
Q: Even if I use aircond just 1 hour a day, can the bill still increase?
A: Yes, especially if it’s an old, unserviced unit — it’s still inefficient.
3. How to Use Aircond Efficiently Without Raising Your Bill
Use smart habits, save more:
Set temperature between 24–26°C — ideal & energy-saving
Use Eco or Sleep mode at night
Set a timer or auto-off function during sleep
Use ceiling or stand fans to circulate air
Keep doors & windows closed to retain cool air
FAQ: Q: Is 26°C still cool enough?
A: Yes, especially if you have fans or thermal insulation — it’s comfortable and cost-effective.
4. Aircond Maintenance Tips to Avoid Energy Waste
Regular servicing = better performance + lower bills
Service every 3–6 months
Clean filters, coils, and blower
Avoid dust buildup that stresses the compressor
Research shows: A poorly maintained aircond can use up to 20% more electricity.
FAQ: Q: How much is a typical aircond service?
A: Around RM70–RM150 depending on type (basic or chemical cleaning)
5. Choosing Energy-Saving Airconds: What to Know
Smart choices save long-term.
Look for 5-star energy rating (check Suruhanjaya Tenaga’s site)
Inverter models are more efficient, though pricier upfront
Choose BTU based on room size (e.g., 1HP for 10x10 rooms)
Choose brands with good after-sales service
Example: A 1.5HP inverter aircond costs around RM80/month for 8-hour usagevs. a regular model which could cost RM120–RM140/month
FAQ:
Q: Inverter vs non-inverter — which is better?
A: Inverter is more efficient, quieter, and a smart long-term investment
Did You Know?
Many Malaysians don’t realise: A "cold" aircond can still be leaking gas, making the compressor work harder and silently driving up your bill
TNB Smart Meters now show daily usage — track spikes and identify peak usage hours
Conclusion
Airconds aren’t the problem — incorrect usage is.
If your electricity bill surged after installing aircond, review your habits, model type, and service schedule. With a few smart adjustments, you can enjoy cool air without stressing over your monthly bill.
Frequently Asked Questions (FAQ)
1. Why is my bill high even if I only use aircond at night?
Because airconds use a lot of energy even in short bursts, especially if poorly maintained or set at low temps.
2. Is it cheaper to use aircond during rainy days?
Yes, cooler outdoor temperatures reduce the aircond’s workload.
3. How do I know if my aircond is inefficient?
If it takes too long to cool or your bill increases despite same usage time.
4. Should I switch off and on the aircond or just let it run?
Constantly switching on/off can use more energy. Timers are more efficient.
5. What’s the average lifespan of an aircond?
Usually 7–10 years, but depends on maintenance frequency.
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