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Certified Refrigeration and Air-conditioning Technician Level-III

How It Works

  1. 1. Select Certification & Register
  2. 2. Receive a.) Online e Learning Access (LMS)    b.) Hard copy - study material
  3. 3. Take exam online anywhere, anytime
  4. 4. Get certified & Increase Employability

Test Details

  • Duration: 60 minutes
  • No. of questions: 50
  • Maximum marks: 50, Passing marks: 25 (50%).
  • There is NO negative marking in this module.
  • Online exam.

Benefits of Certification

Rs.3,499 /-

Vskills has developed a new strategic framework for Skill Development for early school leavers and existing workers, especially in the unorganized sector to improve their employability called Trade Employable Skills (TES).

Vskills certification for Refrigeration and Air-conditioning Technician Level-III assesses the candidate as per the company’s need for Refrigeration and Air-conditioning Technician. The certification tests the candidates on various areas in Refrigeration and Air-conditioning.

Trade Employable Skills does effective assessment and certification of candidates in different trade disciplines like Electrical, Electronics, Agriculture, Chemical, Automobile, IT, etc to make them job ready.

Note: Please note that the course comes with online e-learning only. No hard copy will be provided.

Why should one take this certification?

To demonstrate clear understanding and practical aspects and to get a visible recognition for this knowledge.

This Course is intended for professionals and graduates wanting to excel in their chosen areas. It is also well suited for those who are already working and would like to take certification for further career progression.

Earning Vskills Refrigeration and Air-conditioning Technician Level-III Certification can help candidate differentiate in today's competitive job market, broaden their employment opportunities by displaying their advanced skills, and result in higher earning potential.

Who will benefit from taking this certification?

Job seekers looking to find employment in Refrigeration and Air-conditioning departments of various companies, students generally wanting to improve their skill set and make their CV stronger and existing employees looking for a better role can prove their employers the value of their skills through this certification.

Table of Content

Practice Test

Companies that hire Refrigeration and Air-conditioning Technician Level-III

All small and medium companies need certified employees who have the requisite skills. There are more jobs opening up in the economy on a regular basis with the fast growth of the country.

Apply for Certification

By Net banking / Credit Card/Debit Card

We accept Visa/Master/Amex cards and all Indian Banks Debit Cards. There is no need to fill application form in case you are paying online.

Please click buy now to proceed for online payments.

  • Visa Card
  • Master Card
  • American Express



  • What is Psychrometry?
  • Composition of Air
  • Psychrometric Terms
  • Dry-bulb temperature
  • Wet-bulb temperature
  • Humidity
  • Psychrometric ratio
  • Human Comfort


  • Ideal properties for a refrigerant
  • Role of Refrigerant
  • How Refrigerant Works
  • Refrigerant Blends
  • Lubricants

Oil in Refrigerant Circuits

  • Oil Usage
  • Important Oil Terms
  • Types of oils used in refrigeration systems.
  • Oil Specifications
  • Oil Separators
  • Oil Circulation
  • Technician Considerations
  • Oil Return
  • Oil Quantity
  • Oil Mixing
  • New Oil Considerations


  • What is a Condenser?
  • Heat to be Removed
  • Types of Condensing Unit
  • Air-cooled condenser
  • Water Cooled Condenser
  • Evaporative Condenser
  • Condenser Maintenance


  • Evaporator Basics
  • Evaporator Working
  • Types of evaporators
  • Evaporator Coil
  • Evaporator Coil Maintenance

Expansion Valve

  • What is Expansion Valve
  • Types of Expansion Valves
  • Expansion Valve Problems

Word Processing - MS-Word 2013

  • MS-Word Basics
  • Working With Documents
  • Customize the Word Environment
  • Editing a Document
  • Formatting Text
  • Formatting Paragraphs
  • Styles
  • Graphics
  • Proofing a Document
  • Page Formatting

Spreadsheet - MS-Excel 2013

  • Excel 2013 Basics
  • Workbook and Worksheet
  • Manipulating Data
  • Worksheet Formatting
  • Page Properties and Printing
  • Excel Formulas
  • Sort and Filter
  • Charts

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