Author : Karrar A. Hammoodi, A. M. Mohsen, Ihab Omar, Ammar M. Al-Tajer and Ali Basem

The objective of this study is to provide a simplified worksheet based on the Total Equivalent Temperature Difference (TETD) Approach to estimate a building’s cooling load under Iraqi climate conditions. The heating, ventilation and air conditioning (HVAC) system was applied to scientific laboratories at the College of Engineering, University of Warith Al-Anbiyaa, Karbala, Iraq. The study estimates the cooling load of the building, which consists of 10 zones. Cooling load elements such as ventilation, lighting, walls, floors, roofs, windows, infiltration, and human factors were considered. The worksheet provides an appropriate alternative for easy and fast prediction within Iraq’s climate conditions.

Keywords: Air-Conditioning, Human comfort, cooling and heating load, Heat gain, Total Equivalent Temperature Difference.