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Thermal comfort and ventilation conditions in healthcare facilities - Part 1: An assessment of indoor environmental quality (IEQ)

journal contribution
posted on 2020-06-01, 00:00 authored by Mawara Khan, Jamal ThaheemJamal Thaheem, Musfira Khan, Ahsen Maqsoom, Muhammad Zeeshan
Healthcare facilities provide a cure from the ailment while maintaining a clean environment. A high indoor environmental quality (IEQ) can improve the recovery process and create a pleasant working environment, while a poor IEQ causes nosocomial diseases that are harmful to the patients as well as the hospital staff. To assess the state of IEQ in selected local hospitals, the current study investigates critical IEQ parameters. Based on a detailed literature synthesis, three parameters are selected (temperature, relative humidity, and CO2) for IEQ assessment in four local hospitals. Four different locations (emergency room, OT, ICU, and medical ward) in each hospital are considered with respect to the existing heating, ventilation, and air conditioning (HVAC) system. Data is recorded on a 5-min interval for 6 days uninterrupted and the mean hourly value for each location is calculated for 24 hours. Statistical analysis is performed to compare the day- and night-time IEQ trends. A significant difference is found in the day- and night-time observations for OTs, while random trends are noticed in emergency areas. The results show that occupancy rate, ambient thermal conditions, type of HVAC system, and building orientation are vital drivers of IEQ. In conclusion, design and retrofitting recommendations are provided.

History

Journal

Environmental Engineering and Management Journal

Volume

19

Pagination

917-933

Location

Iasi, Romania

ISSN

1582-9596

eISSN

1843-3707

Language

eng

Publication classification

C1 Refereed article in a scholarly journal

Copyright notice

2020, Ecozone Publishing House Romania

Issue

6

Publisher

"Gheorghe Asachi" Technical University of Iasi. Politehnium Publishing House