The first section of the book focus on the advancement in different technologies in various fields with the integration of solar assisted devices. Here the research carried out by several researchers are highlighted and their contribution is appreciated. This book will be helpful to identify the scope for future research and contribution towards the use of renewable energy for upcoming research fellows and active research scientists. A special focus is laid in the later section of the book on the advanced techniques employed in the field of Refrigeration and air conditioning for different human & social needs.