B.Tech Thermal Engineering: Admission 2025, Syllabus, Eligibility, Subjects, Colleges, Careers

• Updated on  Aug 16, 2025, by Sachin Jaiswal

B.Tech Thermal Engineering is a 4-year undergraduate program that delves into the science of heat transfer, thermodynamics, and energy systems. More engineering students are interested in civil engineering because of its detailed coursework and the increase in energy-efficient technology. Students will learn both theoretical and practical knowledge important for many careers across the industrial field.

 

The basic eligibility criteria for the B.Tech Thermal Engineering include a 10+2 degree in Physics, Chemistry, and Math, with typically 50–60% marks, as this varies by college. Students typically gain admission to engineering colleges via JEE Main, MHT CET or tests organized by the states or nationally.

 

The average course fees for the B Tech Thermal Engineering range from INR 2,00,000 – 6,00,000, depending on the institute type. Some of the famous institutes offering the course are IIT Madras, NIT Rourkela, NIT Trichy, Anna University, and UPES Dehradun.

 

After completing B.Tech Thermal Engineering, students can find many career opportunities available in power plants, the automobile industry, manufacturing, and research. The minimum salary at the entry-level is usually INR 3.1 lakhs and may reach INR 10 lakhs or more based on personal qualifications and the hiring company. Many job opportunities in this sector are found at BHEL, NTPC, Tata Motors, and Adani Power, which post vacancies for Design Engineers, Plant Chemists, and Operations Engineers.

 

B.Tech Thermal Engineering Highlights

 

Given below are some of the B Tech Thermal Engineering basic key highlights:

Parameter

Details

Course Name

B.Tech Thermal Engineering

Course Level

Undergraduate

Duration

4 Years (8 Semesters)

Course Type

Full-time

Admission Process

Entrance-based (JEE Main, JEE Advanced, State-level exams) or Merit-based

Eligibility Criteria

10+2 with Physics, Chemistry, Mathematics; Minimum 50-60% aggregate

Course Fees

INR 2.27 lakhs – INR 9.73 lakhs (varies by institute)

Subjects

Thermodynamics, Fluid Mechanics, Heat Transfer, Power Plant Engineering, Refrigeration, Renewable Energy, Applied Mathematics

Top Colleges

IIT Delhi, NIT Kurukshetra, NIT Rourkela, BITS Pilani, UPES Dehradun

Job Profiles

Design Engineer, Plant Chemist, Operations Engineer, Safety Engineer, Maintenance Engineer

Top Recruiters

BHEL, NTPC, Tata Motors, Adani Power, Indian Oil, Larsen & Toubro

Average Salary in India

INR 3.1 lakhs – INR 5 lakhs (entry level)

What is B.Tech Thermal Engineering?

 

B.Tech Thermal Engineering is a four-year undergraduate program that focuses on the study and application of heat energy, its conversion, and management in various systems. Since it is part of mechanical engineering, this branch studies thermodynamics, fluid mechanics and heat transfer, so students can learn to design, run, and enhance engines, power plants, and refrigeration systems.

 

Why Study B.Tech Thermal Engineering?

 

B.Tech Thermal Engineering is an ideal choice for students interested in energy systems, thermodynamics, and innovative solutions for global challenges. What makes this field different is its industry importance and many diverse career paths.

 

Here are some of the points on why should one pursue this course:

  • High Industry Demand: B.Tech Thermal Engineering graduates are sought after in manufacturing, automotive, electronics, aerospace, power, and energy sectors, ensuring robust job prospects.
  • Because of the flexible curriculum, students qualify for positions such as Thermal Design Engineer, Maintenance Engineer, Operations Engineer, Safety Engineer and HVAC Engineer.
  • Beginners receive a salary between INR 3–6 lakhs annually and may progress to earn more down the line.
  • Graduates can either study for an M.Tech, PhD or a research position, and all such opportunities contribute to inventions in thermal sciences and renewable energy.

Who Should Study B.Tech Thermal Engineering?

 

B.Tech Thermal Engineering is ideal for students who are passionate about energy systems, problem-solving, and technology innovation. Anyone eager to study mechanical and thermal sciences well while preparing for many different types of jobs will find this course helpful.

  • Those students who are interested in machines, engines, energy systems, and both physics and mathematics.
  • If you want to open doors in multiple industries like power, automotive, aerospace, and manufacturing, having thermal engineers is very helpful.
  • Prospective students who wish to study, carry out research or specialize in HVAC, renewable energy or computational fluid dynamics.
  • Candidates who aim to promote sustainability and energy efficiency are best suited to this field because of its importance in addressing challenges to nature.
  • Students who want to grow and be flexible will appreciate the course, which encourages them to upgrade their skills and follow technological progress.

B.Tech Thermal Engineering Eligibility Criteria

 

B.Tech Thermal Engineering has specific eligibility criteria that candidates must fulfill to secure admission.

 

The basic eligibility criteria for pursuing B.Tech Thermal Engineering are as follows:

  • Candidates must have completed 10+2 (or equivalent) from a recognized board with Physics, Chemistry, and Mathematics as compulsory subjects.
  • A minimum aggregate score of 50% to 60% in the qualifying examination is required; the exact percentage depends on the college or university.
  • Admission is generally entrance-based, with candidates needing valid scores in national or state-level engineering entrance exams like JEE Main, JEE Advanced, VITEEE, or similar tests accepted by the respective institutions.

B.Tech Thermal Engineering Entrance Exams 2025

 

Entrance exams are crucial for securing admission to B.Tech Thermal Engineering programs at top institutes in India.

 

Below is a table of major entrance exams for B.Tech Thermal Engineering in 2025, along with their expected dates and key details.

Exam Name

Application Date (Tentative)

Exam Date (Tentative)

Application Fee

JEE Main 2026

November 2025

February 2026

INR 1000 for male candidates,INR 800 for female candidates in the General, OBC-NCL, and EWS categories, and INR 500 for candidates in the SC/ST/PwD/Transgender categories.

JEE Advanced 2026

March 2026

May 2026

INR 1600 for female candidates (all categories) and SC, ST, and PwD candidates.

 

INR 3200 for all other candidates.

VITEEE 2026

Nov 2025-Mar 2026

April 2026

INR 1,350

MET 2026

Dec 2025-Mar 2026

Apr 2026

INR 2000

COMEDK 2026

Feb-Mar, 2026

May 2026

INR 1,950

JET 2026

Nov 2025

May 2026

INR 600

TNEA 2026

May-June 2026

June 2026

INR 500 (Gen/OBC)

 

INR 250 (SC/ST/EWS)

KCET 2026

Jan-Feb 2026

Apr 2026

INR 500 (Karnataka)

 

INR 700 (Non-Karnataka)

B.Tech Thermal Engineering Colleges in India

 

B.Tech Thermal Engineering is offered by a select number of top engineering institutes in India, focusing on advanced studies in heat transfer, thermodynamics, and energy systems. These colleges provide excellent academic infrastructure, industry connections, and placement opportunities. Here is a list of leading colleges that specifically offer B.Tech in Thermal Engineering:

College Name

Location

Total Course Fees (Approx)

NIRF Ranking 2024 (Engineering)

IIT Madras

Chennai, Tamil Nadu

INR 8.8 lakhs

1

IIT Delhi

New Delhi

INR 8.8 lakhs

2

IIT Roorkee

Roorkee, Uttarakhand

INR 8.6 lakhs

6

IIT Guwahati

Guwahati, Assam

INR 8.6 lakhs

7

NIT Trichy

Tiruchirappalli, Tamil Nadu

INR 5.6 lakhs

9

NIT Rourkela

Rourkela, Odisha

INR 6.4 lakhs

15

UPES

Dehradun, Uttarakhand

INR 13.2 lakhs

52

Anna University

Chennai, Tamil Nadu

INR 2.2 lakhs

18

B.Tech Thermal Engineering Admission Process 2025

 

B.Tech Thermal Engineering admissions at top institutes like IIT Madras are highly competitive and follow a structured, entrance-based process. \

 

The procedure is designed to select candidates with strong academic backgrounds and aptitude for engineering. The following admission process is based on the system followed by IIT Madras.

 

Step 1. Candidates must have completed 10+2 with Physics, Chemistry, and Mathematics, securing at least 75% aggregate marks.

 

Step 2. Register for JEE Main 2025 on the official NTA website by filling out the application form, uploading necessary documents, and paying the application fee.

 

Step 3. Appear for the JEE Main exam and secure a qualifying rank to be eligible for JEE Advanced.

 

Step 4. Register for JEE Advanced 2025 using your JEE Main credentials, complete the form, upload documents, and pay the required fee.

 

Step 5. Appear for the JEE Advanced exam; only top 2.5 lakh JEE Main qualifiers are eligible.

 

Step 6. After the results, participate in JoSAA (Joint Seat Allocation Authority) Counselling by registering online, filling in course and college preferences, and uploading required documents.

 

Step 7. Seats are allotted based on JEE Advanced rank, preferences, and availability.

 

Step 8. Once allotted a seat, confirm acceptance by paying the seat acceptance fee and verifying documents.

 

Step 9. Complete the final admission formalities at the allotted institute, including payment of the full course fee and submission of original certificates.

 

Required Documents

  • Latest passport-size photograph
  • Aadhaar Card, Voter ID, or Passport (first and last pages)
  • PAN Card
  • Admission offer letter
  • Entrance exam scorecard (JEE Main/Advanced)
  • Qualifying degree certificate (Class 12)
  • Mark sheets of qualifying exams
  • Category certificate (SC/ST/OBC/EWS/PwD, if applicable)
  • No Objection Certificate (if required)
  • Medical certificate (if required)

B.Tech Thermal Engineering Syllabus and Duration

 

The B.Tech Thermal Engineering program at IIT Madras is a four-year undergraduate course designed to provide a strong foundation in thermal sciences, heat transfer, and energy systems.

 

The curriculum combines theoretical knowledge with hands-on laboratory experience, preparing students for diverse roles in industry and research. Below is the semester-wise syllabus structure based on the B.Tech (Dual Degree) in Thermal Engineering at IIT Madras.

Semester 1

Semester 2

Functions of Several Variables

Series and Matrices

Physics. 1

Physics. 2

Thermodynamics

Chemistry

Introduction to Programming

Engineering Mechanics

Physics Lab

Basic Electronics

Chemistry Lab

Environmental Science

Life Skills

 

NSS/NSO/NCC

Engineering Drawing

Semester 3

Semester 4

Differential Equations

Maths Elective

Strength of Materials

Materials & Design

Foundations of Fluid Mechanics

Applied Thermal Engineering

Basic Electrical Engineering

Manufacturing Processes

Applied Mechanics/Fluid Mechanics Lab

Measurements and Instrumentation

Kinematics & Dynamics of Machinery

Humanities Elective-2

Semester 5

Semester 6

Heat Transfer

Professional Elective -1 +

Energy Conversion System

Life Sciences

Manufacturing Technology

Automation in Manufacturing

Design of Machine Elements

ME Lab-2

Machine Drawing Practice

ME Lab-3

Semester 7

Semester 8

Professional Elective 2

Professional Elective 5

Professional Elective 3

Professional Elective 6

Professional Elective 4

Professional Elective 7

Humanities Elective-3

Measurement in Thermal Engg

Honours Elective 2

Numerical Methods in Thermal Engg

-

Honours Elective 3

 

Table of Contents

  1. B.Tech Thermal Engineering Vs. B.Tech Mechanical Engineering Course Comparison

 

B.Tech Thermal Engineering Vs. B.Tech Mechanical Engineering Course Comparison

Tabulated below is the detailed course comparison for the B.Tech Thermal Engineering and BTech Mechancal Engineering for the students:

Aspect

B.Tech Thermal Engineering

B.Tech Mechanical Engineering

Course Focus

Specializes in thermodynamics, heat transfer, fluid mechanics, refrigeration, power plants, and energy systems.

Covers a broad range of mechanical concepts, including design, manufacturing, robotics, materials, and thermal sciences.

Duration

4 years (8 semesters)

4 years (8 semesters)

Eligibility

10+2 with Physics, Chemistry, and Mathematics (PCM)

10+2 with Physics, Chemistry, and Mathematics (PCM)

Skills Taught

Thermal system design, power plant engineering, HVAC systems, and renewable energy technologies.

Mechanical design, CAD/CAM, robotics, manufacturing processes, thermal and fluid sciences.

Career Opportunities

Power plants, the automobile industry (engine design), aerospace (propulsion), renewable energy, refrigeration, and the air conditioning sector.

Manufacturing, automobile, robotics, energy, aerospace, production plants, R&D, defense sector.

Higher Studies

M.Tech in Thermal Engineering, Energy Systems, Heat Power Engineering, PhD in related areas.

M.Tech in Mechanical, Mechatronics, Robotics, Automobile Engineering, PhD in specialized fields.

Average Salary Range

INR 4–7 LPA (fresher); with experience 8–12 LPA.

INR 4–7 LPA (fresher); with experience 9–14 LPA.

Best Suited For

Students interested in specializing early in energy systems and thermal sciences.

Students who want a broad mechanical base with the flexibility to branch into various fields later.

B.Tech Thermal Engineering Job Opportunities in India

 

B.Tech Thermal Engineering graduates in India can explore diverse job opportunities across sectors like automotive, power, manufacturing, and energy. The field offers roles in design, maintenance, operations, and safety, with leading recruiters and competitive salaries. Below is a summary of key job profiles, experience levels, top recruiters, average salaries, and sectors:

Job Profile

Experience

Top Recruiters

Average Salary (INR)

Thermal Design Engineer

0–3 years

Tata Motors, BHEL, Siemens

INR 7,00,000

Thermal Plant Service Engineer

0–3 years

NTPC, Thermax, Adani Power

INR 4,00,000

Maintenance Engineer

0–3 years

Larsen & Toubro, GE, Mahindra & Mahindra

INR 4,50,000

Operations Engineer

0–3 years

Indian Oil, BHEL, Adani

INR 4,50,000

Safety Engineer

0–3 years

DRDO, BARC, Siemens

INR 6,70,000

HVAC Engineer

0–3 years

Blue Star, Voltas, ISRO

INR 4,50,000

Thermal Systems Analyst

0–3 years

General Electric, Tata Motors

INR 7,00,000

B.Tech Thermal Engineering FAQs

Is B.Tech Thermal Engineering offered as a standalone program or only as a specialization within Mechanical Engineering?

The majority of colleges in India permit students to study Thermal Engineering under Mechanical Engineering at the undergraduate level, but not as an individual B.Tech course. A small number of institutes, including DY Patil University, let students do this program independently.

What is the difference between B.Tech Thermal Engineering and B.Tech Mechanical Engineering?

While B.Tech Mechanical Engineering covers a broad range of topics including design, manufacturing, and mechanics, B.Tech Thermal Engineering focuses specifically on heat transfer, thermodynamics, and energy systems. Thermal Engineering is seen as a branch within Mechanical Engineering.

Are there opportunities for international study or exchange programs during B.Tech Thermal Engineering?

There are top Indian institutes forming alliances with overseas universities to make it possible for students to join exchange programs, intern or work on research alongside students in other countries. Different colleges offer availability for electives based on their contacts and regulations.

Does the course include any laboratory work or practical activities?

Students are commonly required to complete substantial experiments in heat transfer, fluid mechanics, and thermodynamics. Almost all of these programs organize workshops, visits to industrial sites, and internships to give hands-on experience.

Can B.Tech Thermal Engineering graduates work in the IT or software sector?

It is possible for graduates to go to work in IT, usually taking on functions related to simulation, CF,D or software engineering. A number of companies bring on thermal engineers to work with technical software due to their detailed analytical abilities.

What are the prospects for entrepreneurship after a B.Tech in Thermal Engineering?

Graduates have the option to launch their own HVAC service companies, provide advice on energy or produce thermal gear. The increase in attention to sustainable energy and green technologies gives new startups chances to lead the way.

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