• American Society of Mechanical Engineers (ASME) https://www.asme.org/
• American Society of Thermal and Fluids Engineers (ASTFE) http://www.astfe.org/
• Institution of Mechanical Engineers (IMechE), UK http://www.imeche.org
• International Centre for Heat and Mass Transfer (ICHMT) https://www.ichmt.org/

• Learn Thermodynamics https://www.learnthermo.com/
• NPTEL E-learning course -- Refrigeration and Air Conditioning http://nptel.ac.in/courses/112105129/
• Lesson 4 Review of fundamental principles – Thermodynamics : Part I http://nptel.ac.in/courses/112105129/4
• Lesson 5 Review of fundamental principles – Thermodynamics : Part II http://nptel.ac.in/courses/112105129/5
• Physics https://courses.lumenlearning.com/physics/
• The Ideal Gas Law https://courses.lumenlearning.com/physics/chapter/13-3-the-ideal-gas-law/
• Kinetic Theory: Atomic and Molecular Explanation of Pressure and Temperature https://courses.lumenlearning.com/physics/chapter/13-4-kinetic-theory-atomic-and-molecular-explanation-of-pressure-and-temperature/
• Phase Changes https://courses.lumenlearning.com/physics/chapter/13-5-phase-changes/
• Humidity, Evaporation, and Boiling https://courses.lumenlearning.com/physics/chapter/13-6-humidity-evaporation-and-boiling/
• The First Law of Thermodynamics https://courses.lumenlearning.com/physics/chapter/15-1-the-first-law-of-thermodynamics/
• The First Law of Thermodynamics and Some Simple Processes https://courses.lumenlearning.com/physics/chapter/15-2-the-first-law-of-thermodynamics-and-some-simple-processes/
• Introduction to the Second Law of Thermodynamics: Heat Engines and Their Efficiency https://courses.lumenlearning.com/physics/chapter/15-3-introduction-to-the-second-law-of-thermodynamics-heat-engines-and-their-efficiency/
• Carnot’s Perfect Heat Engine: The Second Law of Thermodynamics Restated https://courses.lumenlearning.com/physics/chapter/15-4-carnots-perfect-heat-engine-the-second-law-of-thermodynamics-restated/
• Applications of Thermodynamics: Heat Pumps and Refrigerators https://courses.lumenlearning.com/physics/chapter/15-5-applications-of-thermodynamics-heat-pumps-and-refrigerators/
• Entropy and the Second Law of Thermodynamics: Disorder and the Unavailability of Energy https://courses.lumenlearning.com/physics/chapter/15-6-entropy-and-the-second-law-of-thermodynamics-disorder-and-the-unavailability-of-energy/
• Statistical Interpretation of Entropy and the Second Law of Thermodynamics: The Underlying Explanation https://courses.lumenlearning.com/physics/chapter/15-7-statistical-interpretation-of-entropy-and-the-second-law-of-thermodynamics-the-underlying-explanation/
  
• Thermodynamics | Physics | Science | Khan Academy https://www.khanacademy.org/science/physics/thermodynamics
• Thermodynamics - Videos & Lessons | Study.com https://study.com/academy/topic/thermodynamics.html

Web Links:

• Thermodynamics - Wikipedia https://en.wikipedia.org/wiki/Thermodynamics
• Thermopedia https://www.thermopedia.com/