Abstract
Indoor Thermal Performance of a Retrofitted Air-Conditioned Mosque: Case Study for Penang State Mosque
Highlights
Thermal comfort is a condition of mind where one experiences satisfaction with the thermal environment (ISO 7730, 2005) and is assessed by subjective evaluation
The graph shows that the air conditioning system was started operation (ON) and shutoff (OFF) at a different time
This result was in contrast to the interview session with the mosque officer, where the officer stated that the air conditioning system was fixed from 3.00 PM to 9.30 PM
Summary
Thermal comfort is a condition of mind where one experiences satisfaction with the thermal environment (ISO 7730, 2005) and is assessed by subjective evaluation. This condition is achieved when the individual no longer needs temperature adjustment (colder or warmer than the current temperature). This means that to estimate thermal comfort, it requires physical measurements and subjective tools such as scales (ASHRAE 2013). Occupants are temporarily in the situation of congregate activities, various dress and intermittent exposure time. It is unrealistic to expect that the same environment will satisfy every occupant. To predict the thermal sensation of the body as a whole, indices such as the predicted mean vote (PMV) or predicted percentage dissatisfied (PPD) are commonly used especially in thermal comfort level in HVAC applications (Fanger 1970)
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