Past Event

Physical Half Day Seminar on Energy Efficiency in Built Environment: From System Design to Smart Building Optimization
Venue: Wisma IEM
Date & Time: 10 Sep 2026 (9:00 AM - 3:00 PM) Closed
CPD: 4
Closing Date Before: 07-Sep-2026 (Subject to change based on availability of seat)
Organised By Technical Division - Environmental Engineering (ENETD)

SYNOPSIS   

Session 1 : By Ms. Mak Kai Lin

This seminar explores the application of innovative HVAC components to improve energy efficiency in building air-conditioning systems. Common industry challenges that contribute to unnecessary energy consumption and higher operating costs will be discussed. The session will introduce the working principles and applications of key energy-saving technologies, such as heat recovery, variable frequency drives, and EC fans. Their integration into HVAC systems will be explained, with emphasis on practical implementation and potential energy-saving outcomes. Through these applications, participants will gain a better understanding of how energy-efficient HVAC components can optimize system performance, reduce energy consumption, and support more sustainable building operations. The seminar aims to provide practical knowledge that can be applied in HVAC system design and equipment selection.


Session 2 : Dr. Aloysius Decruz

This seminar explores practical strategies for improving HVAC system energy efficiency through the application of inverter technology, advanced controls, and modular chiller optimization. It covers the key factors influencing HVAC energy performance, including COP, EER, IPLV, and the significance of part-load operation, before examining how efficient components such as microchannel heat exchangers, electronic expansion valves (EEVs), high-efficiency fans, and inverter-driven compressors enhance system performance. The session also compares fixed-speed and inverter-based systems, discussing their energy, cost, and application trade offs while addressing common misconceptions. Finally, it highlights the role of effective control strategies—including control loops, lead–lag sequencing, load sharing, and redundancy—in maximizing efficiency, reliability, and operational performance, supported by practical lessons from real-world HVAC applications.

Session 3 : Mr. Yeo Jian Rong

Introduction to Smart Solutions system to control Air Conditioning Units for offices, and chain stores application. It will cover on functionality of proposed system, method to achieve energy saving by integrating hardware such as energy sensors, human presence sensors, and A/C control modules, to realize real-time electricity tracking, automated occupancy control.  This session also will share Case Study on Energy Optimization Using Temperature Locking & Scheduling.

BIODATA OF SPEAKER

Speaker 1 : Ms. Mak Kai Lin

Six years’ experience in HVAC industry, Kai Lin specializes in commercial air conditioning products and system applications across the commercial and industrial sectors. Her technical proficiency encompasses the design and implementation of chillers, air handling units, precision air conditioners, and variable refrigerant flow systems. Having transitioned from a background in chiller application design and product customization for international markets into a strategic pre-sales role, she excels at recommending tailored solutions for mission-critical environments such as data centers, hospitals, and cleanrooms.


Speaker 2: Dr. Aloysius decruz

Aloysius Decruz has over 30 years of experience in HVAC training and education, with expertise in energy-efficient HVAC systems, refrigeration, and sustainable energy technologies. He holds a PhD in Sustainable Energy Technologies from the University of Nottingham, a Master's in Energy Engineering from UPM, and specialized refrigeration training from IFFI CNAM, Paris.

A certified HRDF Train-the-Trainer (TTT) and member of the International Institute of All-Natural Refrigeration (IIAR), he has delivered professional training since 1997 to engineers, technicians, academic institutions, government agencies, hospitals, and leading industries across diverse sectors.

Session 3 : Mr. Yeo Jian Rong

Mr. Yeo has 15 years of working experience in HVAC industry specialize Energy Saving initiative and Process Cooling for Manufacturing Plants.  Successfully oversaw end-to-end commissioning across high-profile commercial and residential projects, including Menara Dayabumi (POS Malaysia), Capers (YTL), and National Mail Centre Shah Alam.

NOTE

•   Free Admission


Additional Information
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Physical Half Day Seminar on Energy Efficiency in Built Environment: From System Design to Smart Building Optimization
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03-Sep-2026
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