2. Literature review
2.1. Thermal comfort
The essential principle to achieve an adequate environmental condition is by accommodating the building's
occupant with satisfactory thermal condition. According to British Standard BS EN ISO 7730 (2005), thermal
comfort is the state where the person's mind is satisfied with the current thermal condition in their surroundings. In
short, it is when a person's brain stimulates the feeling of either too hot or too cold.
2.1.1. Factors affecting thermal comfort in working area
The term thermal comfort is hard to define since it depends on certain criteria and varies according to the human
body. However, the factors affecting thermal comfort in workplace can be divided into two main categories,
environmental factors, and personal factors (McMullan, 1998).
2.1.1.1. Environmental factors