RETROFITTING SHOWCASES

The showcases presented here are those shared by the case study contributor and their project team. HKGBC staff have scrutinised the findings and asked for follow-up where necessary to ensure the accuracy of the details provided.

You may specify the showcases you want to see by selecting the filters: (Note: For the three filters, if you do not specify, then it means ALL)
Select Building Types
  • Commercial - Office
  • Commercial - Retail
  • Commercial - Data Centre / Server Room
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  • Commercial - Hotel & Hostel/Apartment
  • Others - Carpark    
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Select Systems
  • MEP System (MEPS)
  • HVAC - Waterside Air Conditioning System
  • HVAC - Airside Air Conditioning System
  • HVAC - Heating System
  • HVAC - Carpark Mechanical Ventilation System
  • HVAC - Data Centre/Server Room
  • HVAC - external pipework and ductwork
  • Electrical System - Lighting
  • Electrical System - Electricity Distribution System
  • Electrical System - Lift and Escalator
  • Plumbing & Drainage System
  • Commercial Appliances - Green Commercial Kitchen
  • Commercial Appliances - Server Room / Data Centre
  • Central Control and Monitoring System (CCMS)
  • Building Automation /Management System
  • Smart control Platform
  • Building Envelope (BE)
  • Curtain Wall and skylight System
  • Opaque Wall and Roof System
  • Passive System
Building Owner The Hong Kong Polytechnic University
Using AI solution and data mining technologies to optimise energy efficiency and operational performance for major equipment and building services systems
Using advance control algorithm to improve energy efficiency and operational performance for major equipment and building services systems
Building/Project Name Campus buildings in The Hong Kong Polytechnic University
Systems Building Automation /Management System
Smart control Platform
Building Types Others - School/Education Institution
Description of the building:

  • The "AC on demand" strategy is applied to all campus offices. Fan coil units (FCU) are installed in the offices for air-conditioning. A controller is installed for office temperature control and on/off of FCUs.
  • The chiller plant for campus phase 1&2 buildings consists of a multiple-chiller system with six water-cooled chillers and two air-cooled chillers, providing a total capacity of 4,225 tons. PAUs supply fresh air to all spaces, FCUs are installed in classrooms and offices, while AHUs are used for large open areas such as the lecture halls and stadiums.
  


Using AI solution and data mining technologies to optimise energy efficiency and operational performance for major equipment and building services systems
Using advance control algorithm to improve energy efficiency and operational performance for major equipment and building services systems
Building Owner The Hong Kong Polytechnic University
Building/Project Name Campus buildings in The Hong Kong Polytechnic University
Systems Building Automation /Management System
Smart control Platform
Building Types Others - School/Education Institution
Description of the building:

  • The "AC on demand" strategy is applied to all campus offices. Fan coil units (FCU) are installed in the offices for air-conditioning. A controller is installed for office temperature control and on/off of FCUs.
  • The chiller plant for campus phase 1&2 buildings consists of a multiple-chiller system with six water-cooled chillers and two air-cooled chillers, providing a total capacity of 4,225 tons. PAUs supply fresh air to all spaces, FCUs are installed in classrooms and offices, while AHUs are used for large open areas such as the lecture halls and stadiums.
  


Using AI solution and data mining technologies to optimise energy efficiency and operational performance for major equipment and building services systems
Using advance control algorithm to improve energy efficiency and operational performance for major equipment and building services systems

Building Owner Tuen Mun Hospital
Replacement of more efficient chiller
Installation of electromagnetic clamp-on / ultrasonic devices for condensing water system
Conversion to variable speed chilled water pump
Building/Project Name Tuen Mun Hospital, Main Block
Systems HVAC - Waterside Air Conditioning System
Building Types Others - Hospital / HealthCare
Description of the building:

Tuen Mun Hospital (TMH) is an acute hospital with approximately 2,000 beds, established in 1990. The ten-storey TMH Main Block includes Accident & Emergency services, Day Care services, Operating Theatres, and Pharmacy, etc. The building is fully air-conditioned 24/7, supported by a central water-cooled chiller plant in the basement.    


Replacement of more efficient chiller
Installation of electromagnetic clamp-on / ultrasonic devices for condensing water system
Conversion to variable speed chilled water pump
Building Owner Tuen Mun Hospital
Building/Project Name Tuen Mun Hospital, Main Block
Systems HVAC - Waterside Air Conditioning System
Building Types Others - Hospital / HealthCare
Description of the building:

Tuen Mun Hospital (TMH) is an acute hospital with approximately 2,000 beds, established in 1990. The ten-storey TMH Main Block includes Accident & Emergency services, Day Care services, Operating Theatres, and Pharmacy, etc. The building is fully air-conditioned 24/7, supported by a central water-cooled chiller plant in the basement.    


Replacement of more efficient chiller
Installation of electromagnetic clamp-on / ultrasonic devices for condensing water system
Conversion to variable speed chilled water pump

Building Owner The Hong Kong & China Gas Company Limited
Using high volume low pressure (HVLP) ceiling fan for ventilated cooling
Using electronically commutated (EC) plug fan in AHU / PAU / CRAC
Replacement of high efficacy lighting source
Modernisation of lifts and escalators
Building/Project Name Towngas Headquarters Building
Systems HVAC - Airside Air Conditioning System
HVAC - Carpark Mechanical Ventilation System
Electrical System - Lighting
Electrical System - Lift and Escalator
Building Types Commercial - Office
Description of the building:

  • Office in Industrial-Office Building with 28 floors (13 floors of offices, 5 floors of warehouse, 5 floors of carpark, 2 floors of multifunctional areas (11/F &12/F), B/F, G/F Entrance and R/F Plant Rooms).
  • Fully air-conditioned with water cooled centrifugal oil free type VSD chillers, VSD Chilled Water Pumps and Cooling Towers.
  • Air Handling Units and Fan Coil Units with pre-treated fresh air.
  • ACVVVF Lift Control for Cargo Lifts.
  • T5 LED Light Tubes.
  


Using high volume low pressure (HVLP) ceiling fan for ventilated cooling
Using electronically commutated (EC) plug fan in AHU / PAU / CRAC
Replacement of high efficacy lighting source
Modernisation of lifts and escalators
Building Owner The Hong Kong & China Gas Company Limited
Building/Project Name Towngas Headquarters Building
Systems HVAC - Airside Air Conditioning System
HVAC - Carpark Mechanical Ventilation System
Electrical System - Lighting
Electrical System - Lift and Escalator
Building Types Commercial - Office
Description of the building:

  • Office in Industrial-Office Building with 28 floors (13 floors of offices, 5 floors of warehouse, 5 floors of carpark, 2 floors of multifunctional areas (11/F &12/F), B/F, G/F Entrance and R/F Plant Rooms).
  • Fully air-conditioned with water cooled centrifugal oil free type VSD chillers, VSD Chilled Water Pumps and Cooling Towers.
  • Air Handling Units and Fan Coil Units with pre-treated fresh air.
  • ACVVVF Lift Control for Cargo Lifts.
  • T5 LED Light Tubes.
  


Using high volume low pressure (HVLP) ceiling fan for ventilated cooling
Using electronically commutated (EC) plug fan in AHU / PAU / CRAC
Replacement of high efficacy lighting source
Modernisation of lifts and escalators

Building Owner Nan Fung Group (by Nan Fung Property Management)
Using AI solution and data mining technologies to optimise energy efficiency and operational performance for major equipment and building services systems
Building/Project Name TKO Plaza
Systems Smart control Platform
Building Types Commercial - Retail
Description of the building:

  • Two-storey shopping mall with over 19k sq ft, almost 100 stores, over 300 hourly car parking spaces
  • Air-conditioned with air-cooled central chilled water system, plant operating from 0630 to 2230
  • 6 Screw Type Air-cooled Chiller with 2 having 609A 380V(AC) rating, 320TR Capacity. 4 having 749A 380V(AC) rating, 350TR Capacity.
  • 9 Chilled Water Pump with VSD installed, 30kW rating, 36-43Hz Capacity.
  


Using AI solution and data mining technologies to optimise energy efficiency and operational performance for major equipment and building services systems
Building Owner Nan Fung Group (by Nan Fung Property Management)
Building/Project Name TKO Plaza
Systems Smart control Platform
Building Types Commercial - Retail
Description of the building:

  • Two-storey shopping mall with over 19k sq ft, almost 100 stores, over 300 hourly car parking spaces
  • Air-conditioned with air-cooled central chilled water system, plant operating from 0630 to 2230
  • 6 Screw Type Air-cooled Chiller with 2 having 609A 380V(AC) rating, 320TR Capacity. 4 having 749A 380V(AC) rating, 350TR Capacity.
  • 9 Chilled Water Pump with VSD installed, 30kW rating, 36-43Hz Capacity.
  


Using AI solution and data mining technologies to optimise energy efficiency and operational performance for major equipment and building services systems

Building Owner GE (LHIL) LESSEE LIMITED T/A THE LANGHAM, HONG KONG
Replacement of electric/gas heater/boiler to heat pump
Building/Project Name The Langham, Hong Kong
Systems HVAC - Heating System
Building Types Commercial - Hotel & Hostel/Apartment
Description of the building:

The Langham Hong Kong, established in 1989, is a five-star neoclassical landmark in Tsim Sha Tsui, featuring 498 rooms that harmonize European elegance with Asian contemporary design. Its crown jewel is a rooftop infinity pool offering panoramic Victoria Harbour vistas, complemented by the Chuan Spa's holistic therapies rooted in traditional Chinese medicine. The hotel's Art Deco-inspired interiors and marble-clad grand lobby reflect timeless luxury. Since its debut, it has consistently ranked among Asia's most prestigious hospitality destinations, celebrated for blending architectural grandeur with bespoke guest experiences.    


Replacement of electric/gas heater/boiler to heat pump
Building Owner GE (LHIL) LESSEE LIMITED T/A THE LANGHAM, HONG KONG
Building/Project Name The Langham, Hong Kong
Systems HVAC - Heating System
Building Types Commercial - Hotel & Hostel/Apartment
Description of the building:

The Langham Hong Kong, established in 1989, is a five-star neoclassical landmark in Tsim Sha Tsui, featuring 498 rooms that harmonize European elegance with Asian contemporary design. Its crown jewel is a rooftop infinity pool offering panoramic Victoria Harbour vistas, complemented by the Chuan Spa's holistic therapies rooted in traditional Chinese medicine. The hotel's Art Deco-inspired interiors and marble-clad grand lobby reflect timeless luxury. Since its debut, it has consistently ranked among Asia's most prestigious hospitality destinations, celebrated for blending architectural grandeur with bespoke guest experiences.    


Replacement of electric/gas heater/boiler to heat pump

Building Owner PCCW-HKT Telephone Limited
Conversion to Waterside Free Cooling System
Building/Project Name Pak Tin Exchange
Systems HVAC - Waterside Air Conditioning System
Building Types Commercial - Office
Commercial - Data Centre / Server Room
Description of the building:

  • A 4-storey building with offices, datacentres, telephone exchange areas.
  • Fully air-conditioned with water cooled central chilled water system, constant speed water pumps.
  • Water cooled central chiller water system controlled by Building Monitoring System around-the-clock.
  


Conversion to Waterside Free Cooling System
Building Owner PCCW-HKT Telephone Limited
Building/Project Name Pak Tin Exchange
Systems HVAC - Waterside Air Conditioning System
Building Types Commercial - Office
Commercial - Data Centre / Server Room
Description of the building:

  • A 4-storey building with offices, datacentres, telephone exchange areas.
  • Fully air-conditioned with water cooled central chilled water system, constant speed water pumps.
  • Water cooled central chiller water system controlled by Building Monitoring System around-the-clock.
  


Conversion to Waterside Free Cooling System

Building Owner Yetwan Development Limited (Property Management Company)
Application of insulated coating / painting at external wall and roof
Building/Project Name Set Win Automobile Plaza
Systems Opaque Wall and Roof System
Building Types Industrial
Description of the building:

 3 floors industrial building located in Yuen Long, it was built in 1986.


Application of insulated coating / painting at external wall and roof
Building Owner Yetwan Development Limited (Property Management Company)
Building/Project Name Set Win Automobile Plaza
Systems Opaque Wall and Roof System
Building Types Industrial
Description of the building:

 3 floors industrial building located in Yuen Long, it was built in 1986.


Application of insulated coating / painting at external wall and roof

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