Free Tool
Energy Cost Estimator
Estimate your monthly electricity costs for running aircond units. Based on Malaysia's TNB domestic tariff rates.
Average daily usage in hours
TNB average domestic rate: RM0.35/kWh
Estimates based on average TNB electricity rates and typical AC performance. Actual costs vary based on local rates, AC efficiency, usage patterns, and outdoor temperature.
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Malaysia uses tiered electricity pricing from TNB (Tenaga Nasional Berhad):
| Usage Tier | Rate (RM/kWh) |
|---|---|
| 1–200 kWh | RM0.218 |
| 201–300 kWh | RM0.334 |
| 301–600 kWh | RM0.516 |
| 601–900 kWh | RM0.546 |
| >900 kWh | RM0.571 |
This calculator uses an average rate of RM0.35/kWh for simplicity. Actual bills use tiered pricing above.
Energy Saving Tips
- • Regular servicing — A dirty aircond uses 15–30% more electricity. Chemical wash every 6–12 months keeps it efficient.
- • Upgrade to inverter — 5-star inverter models use 30% less electricity than standard 3-star units.
- • Set temperature to 24–25°C — Every degree lower adds ~6% to your electricity bill.
- • Use timer/sleep mode — Avoid running your AC 24/7 to save significantly.
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