50% Off

Diploma in HVAC Technician

Rs.7,000 Rs.3,500

IISDT Offers 50% discount on all courses. Enroll your course today to avail discount offer. Government Job Valid Diploma/Certificate.

Diploma in HVAC, Heating, ventilation, and air conditioning (HVAC) is an indoor and vehicular environmental comforting technology. The technology aims to provide thermal comfort and high indoor air quality.

HVAC systems offers ventilation and balances pressure between vacuum spaces.


Course Name: Diploma in HVAC Technician

Course Id: DHVAC/Q1001.
Education Qualification: 10th Pass.

Duration: 370 Hrs (Equivalent to One Year).

Total Credits: 18.

How You will Get Diploma Certificate:

Step 1- Select your Course for Certification.

Step 2- Click on Enroll Now.

Step 3- Proceed to Enroll Now.

Step 4- Fill Your Billing Details and Proceed to Pay.

Step 5- You Will be Redirected to Payment Gateway, Pay Course and Exam Fee by Following Options.

Card(Debit/Credit), Wallet, Paytm, Net banking, UPI and Google pay.

Step 6- After Payment You will get Study Material Login id and Password on your email id.

Step 7- After Completion of  Course Study give Online Examination.

Step 8- After Online Examination within 7 days you will get Diploma Certificate soft copy(Scan Copy) and Hard Copy(Original With Seal and Sign) within 30 days.

Step 9- After Certification you will receive Prospect Job Opportunities as per your Interest Area.

Online Examination Detail:

  • Duration- 120 minutes.
  • No. of Questions- 60. (Multiple Choice Questions).
  • 10 Questions from each module, each carry 10 marks.
  • Maximum Marks- 600, Passing Marks- 40%.
  • There is no negative marking in this module.
How Students will be Graded:
191-100O (Outstanding)
281-90A+ (Excellent)
371-80A (Very Good)
461-70B (Good)
551-60C (Average)
641-50P (Pass)
70-40F (Fail)

Benefits of Certification:

  • Government Authorized Assessment Agency Certification.
  • Certificate Valid for Lifetime.
  • Lifetime Verification of Certificate.
  • Free Job Assistance as per your Interest Area.


Refrigeration and Air Conditioning- Introduction, Primary and secondary refrigerants, History of refrigeration, Classes of refrigerants, Hydrocarbon refrigerants, Halocarbons, Molecular structures of common refrigerants, Blending of refrigerants, Thermodynamics of mixtures, Thermodynamics of mixtures.

Fitting and Welding- Principle of welding, Types of welding, Fusion Welding Processes, Gas welding, oxyacetylene welding, Shielded Metal arc welding, Functions of electrode covering, Advantages and Disadvantages of SMAW, gas- tungsten arc welding, electrodes, Shielding Gases, Advantages and Disadvantages, gas- metal arc welding.

Thermal Insulation- Role in the refrigeration industry, Several different types of insulating, Chosen as per economy, operating temperature, humidity conditions, volatile discharges, flammability, ease of application, availability, environmental degradation, Thermal insulation in refrigeration industry, Hot and Cold insulation materials, Heat conduction mechanism, Thermal conductivity.

Commercial RAC Plants & Car Air Conditioner- Engine/Automobile cooling, Microprocessor/PC cooling, The nuclear power plant (BWR), Compact Heat Exchanger, Cross flow heat exchanger, Shell and tube heat exchanger, Multi pass shell and tube heat exchanger, Regenerative heat exchanger.

Commercial compressor & Capacity Control- Plate-Frame/ Plate heat exchangers, Overall heat transfer coefficient, Fouling factor, Fouling of heat exchangers, Analysis of heat exchangers, Design/Analysis of a heat exchanger, The Lograrithmic Mean Temperature, Multi and cross flow heat exchangers.

Water Softening Plants & Chiller- Types of chillers, Refrigeration systems, Chiller performance, Chiller plant control, Why softening, Water quality and softening, Softening processes, Pellet reactor, Softening in a treatment plant, Theory, Practice.


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