Amidst the growing commitment of reducing energy consumption across the Gulf Region, the rising discourse and practice of sustainability in institutions of higher learning has led to energy- efficiency investments to improve the overall environmental performance. There is an increasing level of legislation addressing energy and environmental issues. Recently, Qatar Construction Specifications upgraded requirements aimed at improving the energy-efficiency of domestic, public and commercial buildings by adopting the Global Sustainability Assessment System (GSAS) requirement hence, raised the need of solar assisted cooling system. Air conditioning counts for more than 60% of the electricity consumption in Gulf Cooperation Council (GCC) countries in the built environment. Moreover, cooling the ventilation air is usually obtained with refrigeration machinery, and often some post-heating is required to heat the air before it is supplied to the rooms. The other possibility is chemical dehumidification by using desiccants.