Courses » RAC Product Design

RAC Product Design


This course will lead to an understanding of refrigeration and air-conditioning products, the components within these products, familiarity with selection parameters for the components and an appreciation of environmental impact of design choices. The course includes a case study to illustrate the process of design leading to a successful product in market.

Important For Certification/Credit Transfer:

Weekly Assignments and Discussion Forum can be accessed ONLY by enrolling here

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All content including discussion forum and assignments, is free

Final Exam (in-person, invigilated, currently conducted in India) is mandatory for Certification and has INR Rs. 1100 as exam fee.

Students pursuing BE/ME/Ph.D. in Mechanical Engg. and Design Engineers working in Industries.

CORE/ELECTIVE: Elective course

UG/PG: Advanced UG/ PG

PREREQUISITES: Applied Thermodynamics and Basic Heat and Mass Transfer.

INDUSTRY SUPPORT: Refrigeration and Air Conditioning Industries such as Carrier, Trane, LG, Samsung, Voltas, Blue star, Emerson, Danfoss etc.

2976 students have enrolled already!!


Sanjeev Jain is a Professor of Mechanical Engineering at IIT Delhi, India. He worked in industry for a few years before joining IIT Delhi faculty in 1996. His research interest include Solar cooling, Building energy efficiency, natural refrigerants, decentralized energy systems, recent interest in understanding of mind and cognition.

Bhupinder Godara graduated in Mechanical Engineering from IIT Delhi in 1987. He completed his M.Tech in Thermal Engineering in 1989 from IITD and has Industry experience of over 25 years in leading Refrigeration and AC companies like Carrier, Danfoss & Fedders Lloyd. He has managed several design programs from concept to market and the products designed successfully continue to meet customer needs in diverse applications like Railway Coaches, Residences, Commercial and Telecom.


Week 1  :  Introduction to the design process in general and for Ref. & AC in particular. Applied Thermodynamics as a design tool. Refrigerants and their properties, energy efficiency and environmental considerations, Practical aspects
Week 2  :   Ref. system Components & their types :- compressors, condensers, evaporators, expansion devices. Working principle of the components and unique features
Week 3  : Selection of components for an intended design. Balancing the diversity of design objectives and optimization. Appreciation of the diverting in operating parameters in real applications and incorporation of controls and safety Components
Week 4  :  Product design - New product launch – Performance testing, reliability, safety, Case studies etc


Refrigeration and air conditioning, C.P. Arora. Refrigeration and Air-conditioning, R.C. Arora. Refrigeration and air conditioning, W.F. Stoecker and WP Jones. ASHRAE Handbooks. Fundamentals, HVAC Systems & Equipment, refrigeration and HVAC Application
  • The exam is optional for a fee.
  • Date and Time of Exam: October 7, 2018 (Sunday)
  • Time of Exams: Morning session 9am to 12 noon; Afternoon session: 2pm to 5pm.
  • Exam for this Course will be available in both morning & afternoon sessions.
  • Registration url: Announcements will be made when the registration form is open for registrations.
  • The online registration form has to be filled and the certification exam fee needs to be paid. More details will be made available when the exam registration form is published.


  • Final score will be calculated as : 25% assignment score + 75% final exam score
  • 25% assignment score is calculated as 25% of average of  Best 3 out of 4 assignments
  • E-Certificate will be given to those who register and write the exam and score greater than or equal to 40% final score. Certificate will have your name, photograph and the score in the final exam with the breakup.It will have the logos of NPTEL and IIT Madras. It will be e-verifiable at http://nptel.ac.in/noc/