Table 1. The Locations of IAQ Assessment in the Present Study.

Building Types	No. of sampling points	Type of MVAC	Use of Indoor Space	Remark
Academic Institution	57	Centralised AHU, Discrete Air Conditioning	Office Setting	Building A
Hotel	4	Centralised AHU	Office Setting, Canteen	Building B
Commercial Tower	4	Centralised AHU, Discrete Air Conditioning	Meeting Rooms	Building C
Commercial Tower	5	Centralised AHU	Office Setting	Building D
Commercial Tower	8	Centralised AHU	Office Setting	Building E
Commercial Tower	11	Centralised AHU	Office Setting	Building F
Manufacturing	4	Centralised AHU	Central Command Room	Building G
Manufacturing	2	Fan Coil Unit	Enclosed Production Room	Building H
Manufacturing	12	Centralised AHU, Discrete Air Conditioning	Enclosed Production Room	Building I

*Indicated sampling points do not include reference point used in the assessment such as outdoors air sampling. A minimum of 1 sampling point for every 500 m² MVAC serving area is observed.