Dr. Shaik Sharmas Vali is currently working as Assistant Professor in the Department of Mechanical Engineering, Srinivasa Ramanujan Institute of Technology (Autonomous) Ananthapuramu, Andhra Pradesh, India. He Completed his Ph.D. from National Institute of Technology Karnataka. Dr. Vali’s areas of interest include Green Refrigerants for Air Conditioning, Low GWP refrigerants for domestic refrigerators, Automotive air conditioning, Flammability study of fluids, Design of VCR system components, Green Technology, Energy Engineering, Heat Transfer and Cooling load reduction for Energy Efficient Buildings. From the past 5–6 years (since 2017), he contributed to the refrigeration and air conditioning, HVAC, low-energy, low-CO2 emissions and low GWP alternative refrigerants in the following way: His publications are archived in top science citation indexed journals in the areas of Energy, Environment, low carbon, and sustainability. He published about 30 research articles in SCI/SCIE/ESCI/Scopus indexed reputed international journals, international conferences and book chapters. He also serving as potential reviewer for more than 10 SCI indexed reputed international journals (Publishers: Elsevier, Springer, Sage, Taylor & Francis, American Chemical Society). He collaborated with many research scientists from various countries, such as the Turkey, Australia, Greece, Italy, Saudi Arabia, Malaysia, and Republic of Korea.