Sustainable Development Goals

Abstract/Objectives

Air conditioning accounts for 70% of the Main Library's total power consumption, with the majority stemming from the operation of the central chiller system. To effectively reduce energy use, operational data from various AC components will be collected in 2025. Furthermore, four energy-saving initiatives have been planned along with their estimated benefits. These measures will be implemented starting in July, with continuous monitoring of electricity data to ensure the achievement of energy-saving targets.

Results/Contributions

Air conditioning accounts for 70% of the Main Library's total power consumption, with the majority generated by the operation of the central chiller system. Since July 2025, four energy-saving initiatives have been implemented:

  1. Delayed Transition Between Night and Day AC Modes
  2. Frequency Reduction of Air Handling Units (AHU) via Variable Frequency Drives (VFD)
  3. Prioritizing High-Efficiency Chillers
  4. Dynamic Chiller Configuration and Load Management

Achievements: Over the six-month implementation period, total electricity savings reached 179,668 kWh, representing 5.7% of the total AC power consumption for 2024. This resulted in a cost reduction of approximately NT$540,000.

Keywords

Air Conditioning Energy Saving, Electricity Consumption, AC Power Consumption, Energy-Saving Benefits, Carbon Footprint

Contact Information

區家麟
clou@lib.nthu.edu.tw