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    B Tech Thermal Engineering

    All About B.Tech Thermal Engineering

    B.Tech Thermal Engineering or Bachelors of Technology in Thermal Engineering is a 4-year undergraduate degree programme that is a branch of mechanical engineering that aims to help engineers increase the efficacy and performance of thermal power plants such as heat exchangers, refrigeration systems, solar thermal among other things. Heat and mass transport, thermodynamics, fluid mechanics are all part of the curriculum that is taught to the B.Tech thermal engineering students over the duration of 4 years or 8 semesters. Overall, the method of converting produced energy from a thermal source into electrical, mechanical and chemical energy is taught to the Thermal Engineering students. 

    Candidates can pursue Bachelors in Thermal engineering with graduation from class 12 with minimum 50% aggregate with compulsory subjects in Physics, Chemistry and Mathematics. BTech graduates of Mechanical engineering and Chemical engineering can pursue a Masters in Thermal Engineering which is taught for a period of 2 years. 

    Admissions to Thermal Engineering programmes can be done on Merit Based or Entrance based. Some of the common entrance exams used for admissions to Thermal engineering are JEE Main, VITEEE, JEE Advanced, BITSAT and GATE.

    Thermal Engineering can be pursued at multiple levels such as Diploma, Undergraduate, Postgraduate and Doctoral levels. The course can also be learnt in multiple modes such as Online, Offline and Distance learning. Some of the top universities that provide training in Thermal engineering are IIT Bombay, COEP Pune, IIST Thiruvananthapuram, IIT Madras and VIT Vellore etc. The average tuition fee for Thermal Engineering courses ranges from Rs 2,00,000 to Rs 5,00,000. 

    After graduating, the candidates can find suitable employment opportunities in companies like Maruti Suzuki, TATA Motors, Indian Oil etc. 

    B.Tech Thermal Engineering Course Highlights

    The candidates can find out some important facts and details about the Thermal Engineering course from the highlights table given below - 

    Course Name

    Thermal Engineering

    Duration of the programme

    4 years

    Level of the programme


    Academic eligibility

    60% aggregate at the 10+2 level in the Science stream

    Admission process

    Both merit-based and entrance test based admissions

    Average course fee (In Rs)

    • Public Universities - Rs 2 to 5 Lakhs 
    • Private Universities - Rs 5 to 20 Lakhs

    Average starting salary

    INR 3.1 LPA

    Major recruiters

    BHEL, NTPC, Indian Oil, State Power Plants etc

    Job profiles

    Maintenance Engineer, Safety Engineer, Operation Engineer, Plant Service Engineer among others

    Why Choose Thermal Engineering?

    Career Opportunities: Thermal engineering graduates have several options for furthering their careers. They can find work in a variety of industries, including the petroleum industry, power plants, defense, transportation and the car sector, railways, and aviation sectors, among others. Graduates can work as professors and lecturers as well.

    High Salary: Graduates in this industry are paid well. Graduates may expect to earn between Rs 2 lakhs and Rs 15 lakhs and Thermal engineers with a masters degree can earn upto Rs 25 lakhs. 

    Further Education: An M.Tech is a more intense, strengthened devotion to the topic that necessitates in-depth knowledge and a desire to learn more about thermal engineering. Thermal sciences are the basic concepts of many engineering processes, therefore a thermal engineer is qualified for employment in a wide range of industries.

    How Many Courses are There in Thermal Engineering?

    Candidates interested in pursuing a career in Thermal Engineering have several options. Candidates can evaluate them based on their preferences.

    Diploma courses in Thermal Engineering

    • PG Diploma in Thermal Power Plant Engineering
    • PG Diploma in Fire Safety Engineering
    • PG Diploma in Fire and Industrial Safety

    Undergraduate Courses in Thermal Engineering

    Bachelor of Technology in Thermal Engineering: BTech is a full-time undergraduate programme that is available after the 12th grade. BTech Thermal Engineering is a four-year programme that studies heating and cooling processes in open and closed settings.

    Postgraduate Courses in Thermal Engineering

    • Master of Engineering in Thermal Engineering
    • Master of Technology in Thermal Engineering
    • MTech in Heat Transfer and Thermal Power
    • MTech in Thermal Science and Energy System
    • MTech in Thermal System Design 

    BTech Thermal Engineering Eligibility Criteria

    Thermal Engineering eligibility criteria are the factors that candidates must meet in order to be admitted to the course. This is done to determine whether or not the following individuals are qualified for Thermal Engineering. The eligibility criteria of Thermal Engineering according to the course level are mentioned below. Before filling up the application form from the chosen institutions or institutes, candidates should verify if they meet the requisite criteria.


    Basic Eligibility Criteria

    BTech in Thermal Engineering

    • Candidates must have finished their 12th grade education in the science stream with compulsory subjects like Physics, Chemistry, and Mathematics from a recognised board - ISC, CBSE, SSC, or State Board
    • English is a compulsory language
    • Minimum qualifying marks are 60-75% in qualifying exam
    • Admissions are also done based on marks scored in entrance examinations such as JEE Main, JEE Advanced etc

    M.E/MTech in Thermal Engineering

    • Candidates must have a B.E. / B.Tech degree in (Mechanical / Production / Automation / Metallurgical / Aeronautical / Mechatronics / Marine / Industrial / Manufacturing) from a recognised university or a related field
    • Candidates must have secured minimum 50% aggregate or equivalent CGPA in their bachelor degree
    • Additionally, certain institute might conduct entrance exam for admissions

    Diploma in Thermal Engineering

    • The general criteria for diploma courses is completion of 10th Std from a recognised board
    • For certain diploma after graduation course, the eligibility is 12th std and graduate degree in the respective field

    Thermal Engineering Types

    Candidates can study Thermal Engineering through multiple modes such as Online, Offline and distance learning. There are several alternatives in online or distance learning courses offered by premier institutes in India and Abroad. 

    Difference Between BE and Thermal Engineering Degrees

    The difference between Thermal Engineering and other engineering degrees such as Mechanical engineering and Chemical engineering are listed below in the table

    Thermal Engineering

    Mechanical Engineering

    Chemical Engineering

    Thermal engineering is the study of heat movement and energy transfer. 

    Mechanical engineering focuses on design, analyze, construct and maintain mechanical systems

    Chemical engineering studies the operation and design of chemical plants and converting raw chemicals to useful products

    Thermal engineers construct systems that use diverse thermal energy sources to general thermal, chemical and mechanical energy. 

    Mechanical engineers create both power producing and energy consuming systems such as generators, combustion engines and turbines. 

    Chemical engineers are responsible for the development and design of chemical production systems. Chemical engineers employ chemistry, physics, biology, and arithmetic concepts to address problems with the manufacture or usage of chemicals.

    How to Get Admission for Thermal Engineering?

    Thermal Engineering admission is dependent on the marks/rank received in the approved entrance tests. Admission to certain colleges is also based on merit. Few colleges have entrance exams to admit students to engineering programmes. Admissions to Thermal engineering  can be done on Merit-based or Entrance-exam based, further details regarding the same can be found below

    Merit-Based Admission

    • Admissions is granted based on the candidate’s performance in the qualifying exam
    • To be eligible for B Tech Thermal engineering; candidates must have passed 10+2 in science stream with minimum 60% aggregate marks
    • Candidates must also have a valid scorecard from accepted entrance examination
    • Certain institute might also conduct personal interview

    Entrance-Based Admissions

    After passing their 10+2 examinations, candidates can take several national level entrance tests to gain admission to Top Engineering Colleges. Some colleges also hold entrance tests to admit students to various engineering programmes.

    • Candidates will be required to appear for the admission exam and obtain a good score/rank for admissions
    • JEE Main scores are recognised by numerous universities in India that provide this degree in Thermal Engineering. 
    • Candidates may also take state or institute level admission examinations such as MHT CET, BITSAT, and others.
    • The counselling sessions will be provided to the selected students on the specified day and location

    BTech Thermal Engineering Entrance Exams

    Some of the entrance examinations on the basis of which candidates can take admission in top colleges are listed below. It is advisable to check the eligibility criteria of the respective exams before applying.

    JEE Main

    Joint Entrance Examination (JEE Main) is a national level examination conducted every year by NTA to offer admissions to several engineering courses. 


    For admission to integrated first degree programmes at BITS Pilani Campuses in Pilani, Goa, and Hyderabad, candidates must take the Birla Institute of Technology and Science Admission Test (BITSAT), a computer-based online exam.


    The Graduate Aptitude Test in Engineering (GATE)  is an exam administered in India that primarily assesses the thorough comprehension of numerous undergraduate engineering and scientific disciplines for the purpose of admission to master's programmes.


    For admission to engineering and other disciplines, Anna University administers the TANCET exam every year. Over 200 affiliated colleges in Tamil Nadu accept applicants who pass the TANCET test.

    Popular Thermal Engineering Colleges in India by State & City

    The following table highlights the top engineering colleges in India, which provide a significantly superior quality of education to those interested in studying thermal engineering there. Along with that, we have listed the approximate course fees and the locations of the institutions. 

    Thermal Engineering Top Colleges


    Average Total fees (Rs)

    Indian Institute of Technology


    8.5 Lakhs

    College of Engineering


    4 Lakhs

    Indian Institute of Technology


    8 Lakhs

    Indian Institute of Engineering Science & Technology


    5.5 Lakhs

    Motilal Nehru National Institute of Technology


    5 Lakhs

    Birla Institute of Technology


    20 Lakhs

    Jawaharlal Nehru Technological University College of Engineering



    Vellore Institute of Technology


    8 Lakhs

    Top Thermal Engineering Colleges by State & City 

    Some of the top engineering schools that offer thermal engineering courses have been listed below. 

    Thermal Engineering Colleges in Maharashtra

    Thermal Engineering Colleges in TamilNadu

    Thermal Engineering Colleges in Andhra Pradesh

    Thermal Engineering Colleges in Telangana

    Study Thermal Engineering Abroad

    There are several career options for Thermal Engineering positions abroad. More chances for thermal engineers are emerging as a result of the rising trend in demand for thermal engineers. As companies attempt to be more inclusive, the demand for greater diversity in the workforce is becoming more and more crucial. 

    In the engineering industry, where there is a dearth of diverse people, this tendency is having a particularly significant influence. Below is a list of the top five nations having the greatest need for mechanical engineers. The following countries provide significant success for skilled engineers like the USA, Canada, Japan, Germany and Singapore.

    Thermal Engineering Abroad Top Colleges 

    Candidates have ample opportunities to study Thermal Engineering abroad at some of the premier institutes. The list of top engineering universities abroad can be found in the table below along with the location. 

    Thermal Engineering Colleges Abroad


    Georgia Institute of Technology


    King’s College


    Technical University of Munich


    RWTH Aachen University


    Worchester University of Polytechnic


    Hong Kong Polytechnic University


    University of New South Wales


    Cranfield University


    Lawrence Technological University


    B.Tech Thermal Engineering Syllabus; Curriculum

    The core principles of Thermal Engineering revolve around heat dynamics and transfer in systems. As Thermal engineering is an integral part of Mechanical engineering, candidates learn the basic concepts of Thermal engineering in their graduate in Mechanical engineering. We can further look in-depth into the topics and concepts that will be covered in the Thermal engineering syllabus.. 

    Curriculum for Thermal Engineering


    Topics Covered


    • Classification 
    • SI & CI engines
    • Valve and Port Timing Diagrams
    • Air - Standard, air-fuel and actual cycles
    • Engine systems
    • Fuel injection systems for CI engines
    • Ignition
    • Cooling and Lubrication system
    • Fuel properties
    • Combustion Stoichiometry

    Normal Combustion and abnormal combustion in SI engines

    • Flame speed is important, and engine variables have an impact
    • Pre-ignition, abnormal combustion, and knocking in SI engines
    • fuel specifications, fuel quality, and anti-knock additives
    • Types of SI engines, combustion chamber requirements, etc.
    • In CI engines, combustion occurs in four phases.
    • Time lag and its significance
    • engine variables' impact
    • Engine Knock
    • Open and split combustion chambers in diesel engines, together with fuel injection
    • Specifications and fuel rating for diesel

    Testing and Performance and Reciprocating Compressors

    • metrics for performance cylinder pressure, fuel use, air intake, and exhaust gas composition measurements
    • Calculating frictional losses and indicated power for brakes Heat balance sheet and chart performance test
    • Positive displacement and dynamic forms of compressors are classified under the headings of fans, blowers, and compressors. - Rotary and reciprocating kinds
    • operating principles, labor necessary, Thermal effectiveness volumetric effectiveness and the impact of clearance volume, staged compression, undercooling, labor savings, and staged compression minimal work conditions

    Rotary Compressor (Positive displacement type)

    • Vane sealed compressors
    • Roots Blowers
    • Lysholm Compressors: technical features and operating principles
    • efficiency factors

    Dynamic Compressors

    • Centrifugal compressors: Mechanical features and operating principles - varying pressure and velocity
    • Velocity diagrams for energy transfer, impeller blade shape losses, slip factor, power input factor, pressure coefficient, and adiabatic coefficient

    Axial Flow Compressors

    • Isentropic efficiency
    • velocity triangles, and energy transfer per step of reaction are among the mechanical features and operating principles
    • calculations of pressure increase

    Gas Turbines

    • Simple Gas Turbine Plant
    • Ideal Cycle 
    • Closed Cycle and Open Cycle for Gas Turbines
    • Efficiency - Work Ratio and Optimum Pressure Ratio for Simple Gas
    • Turbine Cycle
    • Constant Pressure Cycle
    • Constant Volume Cycle Performance
    • Parameters for Closed and Semi-Closed Cycles
    • Regeneration
    • Intercooling and Reheating

    What is Thermal Engineering Course Fee?

    There are several alternatives for students to select from in the Thermal Engineering programme.  Thermal Engineering graduates are employed by several Indian government agencies in a range of positions, including Assistant Engineers, Site Engineers, and other Officer level positions. The majority of recruiting decisions are made after an entrance exam and a graduate's personal interview. The pay for a course in Thermal Engineering in India ranges between 5 to 10 LPA. Graduates of Thermal Engineering can find employment with the government in a variety of institutions and departments, including state and central educational institutions, R&D organizations, BHEL, Indian Railways, the Indian Armed Forces, state-specific electricity boards, the DRDO, steel plants, etc.

    Required Skill Set for Thermal Engineering

    The rules of thermodynamics and heat transmission underpin any solution in thermal engineering. The practice of thermal engineering, which is the study of thermal energy and energy conversion, necessitates a thorough knowledge of mechanical and chemical systems and how they interact to produce energy. Thermal solutions must be designed, developed, and maintained by a thermal engineer. Thermal analysis is done, and they determine what might be changed for increased efficiency.

    • Thermal Design Requirements: Requirements at the engineer level for thermal goods, such as telecom systems. Thermal solutions, as well as testing and validation methods, may be used to enhance and optimize these designs
    • Analytic Skills to conduct scientific analysis: Using scientific procedures and approaches that are based on empirical or quantifiable observations, a thermal engineer must have the skill to acquire, amend, or increase knowledge about phenomena
    • Drawing skills to interpret 2D & 3D plans: Interpret and comprehend plans and drawings for industrial processes that contain two- or three-dimensional representations
    • Accept and adapt to technologically innovative challenges: It's critical for engineers to accept new technologies. Engineering goes way beyond just making or building things, research in several disciplines etc. In order to provide answers for new problems and technological advancements, it is critical for engineers to stay current

    Thermal Engineering Scope in India

    Students studying thermal engineering have a wide range of job options in both public and commercial sectors. The market growth is not only restricted to domestic regions, but foreign markets as well. Thermal Engineering is considered to be one of the most difficult fields, but it is also one of the most lucrative in the broad fields of engineering. 

    Graduates in thermal engineering are required to maintain centers for oil engines, electric motors, pumps, and other manufacturing machinery. The future of a thermal engineer is only expanding in all directions due to the widening of scope and improvement in technology.

    A student of thermal engineering has numerous career options, including positions as plant chemists, piping designers, trainee planners, maintenance engineers, field service engineers, and independent consultants, in fields as diverse as the petroleum industry, power plants, defense, transportation and the automobile sector, railways, and aviation. Spacecraft and submarines both make extensive use of thermal engineering for propulsion and temperature management. The electrical power sector and the HVAC (heating, ventilation, and air conditioning) industry both use its concepts. Hence we can conclude that the scope of Thermal Engineering has an upward trajectory and in the next decade, there will be a high demand for thermal engineers due to the ever increasing demand for efficient technology. 

    What is Thermal Engineering Salary?

    The following table shows the average income for a skilled Thermal Engineer captioned. Candidates are urged to research the average salaries for the many occupations that fit their preferences.

    Job Profiles Offered After Completing Thermal Engineering

    Approximate Salary in Rs (Lakhs Per Annum)

    Junior Thermal Engineer

    Rs 4,00,000 to Rs 6,00,000

    Thermal Engineering

    Rs 7,00,000 to Rs 10,00,000

    Plant Chemist

    Rs 2,50,000 to Rs 4,00,000

    Maintenance Engineer

    Rs 3,00,000 to Rs 5,50,000

    Aero Thermal Engineer

    Rs 8,00,000 to Rs 13,00,000

    Process Engineer

    Rs 4,00,000 to Rs 7,00,000

    Engineer Flow & Thermal

    Rs 6,50,000 to Rs 10,00,000

    B.Tech Thermal Engineering Career Options and Job Prospects

    Most engineers in this profession work for manufacturing companies, while they can also choose management and executive roles in both the public and private sectors. Professionals in this field might also choose to work as teachers at colleges and universities depending upon the areas of interest. For people who desire to work as researchers, the Thermal Engineering sector offers a variety of chances. 

    One of the difficult and very lucrative areas is thermal engineering. The work of thermal engineers varies by industry and function, and they can find employment possibilities in both the commercial and governmental sectors. Thermal engineers are needed by the railroads and the military to help with machinery maintenance and design. Additionally, thermal engineers manage shops for oil engines, electric motors, pump sets, and other production tools.

    Piping Engineer

    The Piping Designer creates isometrics, pipeline designs, layout drawings, and proposals for this purpose. They are particularly responsible for developing pipe systems for industries and industrial projects.

    Plant Maintenance Engineer 

    The duties of a Maintenance Engineer also known as Plant Engineer includes choosing and implementing a plant maintenance strategy, modelling equipment maintenance cost, performing life cycle analysis, managing operational risks and redesigning equipment to increase efficiency. 

    Thermal Design Engineer

    A Thermal Design Engineer is responsible for leveraging thermodynamics to design technology and products. They also modify existing systems to accommodate the role of thermal energy, heat transfer to increase efficiency and improve production. 

    Safety Manager

    Safety managers contribute to all levels of production and operation. A safety engineer in a Thermal plant identifies risk prematurely and finds ways to reduce any hazardous consequences. A Thermal safety engineer is responsible for Risk assessment and management. 

    R&D Engineer

    MTech graduates can further get into a Doctoral program in Thermal engineering if they wish to work in Research and Development departments in leading companies. Currently, most companies provide funding to R&D departments to create new technologies and redesign existing products.

    FAQs about B.Tech Thermal Engineering

    Which are the countries other than India that offer jobs in the field of Thermal Engineering?

    There are many countries that have a high demand for Thermal Engineering; Some of them are Switzerland, Canada, South Korea, Australia, Japan, Germany and Norway.

    Which are the top companies that have a demand for Thermal Engineers?

    Some of the top companies that have demand for Thermal engineers are TATA Motors Ltd, Mahindra & Mahindra Ltd, TCS Ltd, Hindustan Motors, Mercedes Benz, Siemens Ltd, Cognizant Technology Solutions Corp, Whirlpool of India Ltd and Schindler. 

    How do I become a Thermal Engineer?

    You can start your path to becoming a Thermal Engineer by enrolling in BTech (Thermal/Mechanical or Chemical engineering) and further participate in internships to gain practical experience.

    What is the role of Thermal engineers in Power plants?

    Thermal engineers can have a variety of roles in a Power plant, starting from design to maintenance of systems in the power plant.

    What knowledge do thermal engineers need in order to do their jobs?

    Thermal engineers construct systems that use diverse thermal energy sources to generate chemical, mechanical, or electrical energy. They must be familiar with thermodynamics, fluid physics, and heat and mass transmission.

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    Related Questions


    ankita, Student / Alumni

    CSE is one of the most sought-after programs these days. India being global hub of software and back-office industries, this field has immense job opportunities. You must know the parameters on which to compare. Some are mentioned as follows: Curriculum: The course curricula of any tech degree must be very unique and dynamic. It must be developed with extensive consultations with industry. Tech trainings: The must students undergo many training like cutting edge technologies of SAP, Workday, waterfall other MOOCs, Advance Excel and many more. These skills come in handy for the students not only at the time of interviews and tests but also throughout their careers. Soft skills: There must be a dedicated effort by college/university in continuous improvement of personality, soft skills, professional ethics, interview skills, public speaking, presentation style development etc in students. These are must for placements as well as performance in the jobs. Exposure: The students must be exposed to large number of guest lectures and talks by industry experts, large number of events in university to enhance their organizing and networking kills, large number of social work initiatives to develop the right orientation and many more.

    prakash bhardwaj, Student / Alumni

    Quantum university situated in Roorkee uttarakhand is one of the most prestigious and reputed university in uttarakhand who provide best education with affordable fees.Quantum university also provide good scholarship through your 12th % or by Qcare scholarship exam conduct by university every year.The placements rate of this university is also above 90% and 200+companies visit the campus every year.The hostel facility of this university is very nice and affordable as compare to other university in uttarakhand.The Quantum university also provide passion programe in which student can participate in sports and hobbies courses also without any extra fees.

    Aditi Shrivastava, Student / Alumni

    Hi Somi, You will have to appear in the WBJEE of that year and qualify for the required cutoff to get admission to the B.Tech programme at GNIT. 

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