Electricity Consumption in Hong Kong
24 November 2024
Other Ways
Lighting
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Compact fluorescent lamps (CFL) is more energy efficient than incandescent light bulb by 70% to 80%. The energy efficacies of T8 and T5 fluorescent tubes are 10% to 30% more than that of T12 or T10 fluorescent tubes.
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Install lighting zone control wherever possible to turn lighting off in unoccupied common area.
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Parabolic-type lighting reflectors can reflect sufficient light with fewer fluorescent tubes.
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Make use of daylight whenever possible.
Air-conditioning
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Replace ageing Heating, ventilating and air-conditioning (HVAC) equipment with new energy-efficient equipment such as with "Grade 1 or Grade2 Energy Label".
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Install more temperature control panels in an area, users can switch air-conditioning on and off in areas that are used infrequently.
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During cool seasons, if outside conditions are suitable, try to open windows instead of turning on the air-conditioners.
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To maintain cooling efficiency, regularly clean the condenser tubes, cooling coils and air filters.
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Set room temperatures to the standard optimum temperature: 25.5 °C.
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Switch off whenever unoccupied.
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Install outdoor shading devices or add reflective film to reduce solar heat.
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Choose the most suitable HP model for different areas.
HP |
Area(m2) |
¾ |
6-8 |
1 |
8-10 |
1 ½ |
10-15 |
2 |
15-20 |
2 ½ |
20-25 |