In the current scenario of contemporary environmental and social sustainability, sustainable construction is becoming an important topic. While buildings are the largest contributor to depletion of environmental resources, earth construction is being explicitly rethought considering the detrimental effects cement-based products have on the environment. The research on progressive construction from earthy material has focused primarily on manufacturing clay-rich soil, such as in adobe and cob methods. However, very little research has been done on mechanizing other methods, like rammed earth. This paper examines literature on thermal performance of rammed earth construction, in hot arid regions. An investigation of recent rammed earth projects as case studies was conducted, and compared, to produce realistic feasibility assessment of thermal performance of the material, that considered both the potentials of the technique and the technical challenges. The knowledge gained from these case studies offers comprehensive and concrete road map for viability of rammed earth construction based on its thermal performance, for hot arid regions which helps to increase its desirability and ability to attain passive thermal comfort in modern residential buildings in Riyadh.