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ed2go Construction and Trades Trades HVAC/R Certified Technician (Voucher Included)
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HVAC/R Certified Technician (Voucher Included)

It’s no secret that skilled HVAC/R technicians are in high demand. But those with HVAC Excellence or NATE certifications have greater earning potential and more opportunities for career advancement. If you already have one-to-two years of industry experience, this course will prepare you for the next step in your career — certification.  

Through hands-on simulations and in-depth course material, you will strengthen your understanding of HVAC/R service, repair, and maintenance. You will also learn about sustainable technology, environmental challenges and their solutions, industry advancements, and develop customer-facing professional skills. 

By course completion, you will have the formal training and specialized knowledge to successfully sit for the HVAC Excellence Core and Professional Technician exams, the NATE Core and Specialty Test exams, and the EPA 608 certification exam. You will also receive a voucher package to take the HVAC Excellence exams.

12 Months / 162 Course Hrs
Open enrollment

Offered in Partnership with your Preferred School

Ivy Tech Community College

Why this school? It's been chosen based on your location or if you've visited this school's website. Change School

Learning Method


Self-Paced. Study on your own schedule

Contact Us for additional information

HVAC/R Certified Technician (Voucher Included)

Contact Us

Details + Objectives

Course Code: GES793

What You Will Learn
  • Discuss the latest advances and trends in green technology
  • Describe the four basic components that make up the vapor-compression refrigeration cycle
  • Explain the functions and desired characteristics of system refrigerants, EPA laws governing safe refrigerant handling and transport, and concepts of recovering, recycling, reclaiming, and retrofitting refrigerants
  • Demonstrate piping operations typically performed by the air conditioning technician
  • Properly install an air-conditioning system and put it into operation
  • Understand the procedures and criteria needed to conduct a residential energy audit
How the course is taught
  • Self-paced, online course
  • 12 months to complete
  • Open enrollment, begin anytime
  • 162 course hours
How you will benefit
  • You will be prepared to sit for the NATE Certification exams
  • You will be prepared to sit for the HVAC Excellence Certification exams
  • You will be prepared to sit for the EPA 608 Refrigerant Handling exam
  • Use real-world simulations included in this course to get “hands-on” experience
  • Soft skills simulations included in the course will help sharpen your customer service skills


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I. Introduction

Heat, Temperature, and Pressure 


Matter and Energy 


Refrigeration and Refrigerants 

II. Safety, Tools and Equipment, and Shop Practices 
A.   General Safety Practices 
B.   Tools and Equipment 
C.   Fasteners 
D.   Tubing and Piping 
E.   Leak Detection, System Evacuation, and System Cleanup 
F.   Refrigeration and Oil Chemistry and Management – Recovery, Recycling, and Reclaiming, and Retrofitting 
G.   System Charging 
H.   Calibrating Instruments 
I.   Simulation: Safety Quiz
J   Simulation: Soft Skills Quiz
III. Automatic Controls 

Basic Electricity and Magnetism 


Introduction to Automatic Controls 


Automatic Control Components and Applications 


Troubleshooting Basic Controls 


Advanced Automatic Controls-Direct Digital Controls (DDCs) and Pneumatics 

IV. Electric Motors 

Types of Electric Motors 


Application of Motors 


Motor Controls 


Troubleshooting Electric Motors 

V. Commercial Refrigeration 

Evaporators and the Refrigeration System 






Expansion Devices 


Special Refrigeration Systems 


Commercial Ice Machines 


Special Refrigeration Applications 


Troubleshooting and Typical Operating Conditions for Commercial Refrigeration 

VI. Air-Conditioning (Heating and Humidification) 

Electric Heat 


Gas Heat 


Oil Heat 


Hydronic Heat 


Indoor Air Quality 

VII. Air-Conditioning (Cooling) 

Comfort and Psychometrics 


Refrigeration Applied to Air-Conditioning 


Air Distribution and Balance 




Residential Energy Auditing 


Typical Conditions 



VIII. All-Weather Systems 

Heat Gains and Heat Losses in Structures 


Air Source Heat Pumps 


Geothermal Heat Pumps 

IX. Domestic Appliances 

Domestic Refrigerators and Freezers 


Room Air Conditioners 

X. Commercial Air-Conditioning and Chilled-Water Systems 

High-Pressure, Low-Pressure, and Absorption Chilled-Water Systems 


Cooling Towers and Pumps 


Operation, Maintenance, and Troubleshooting of Chilled-Water Air-Conditioning Systems 


Commercial, Packaged Rooftop, Variable Refrigerant Flow, and Variable Air Volume Systems 

XI. Simulation Challenge Mode: HVAC 
XII. Simulation Challenge Mode: Electricity for HVAC 
View All Sections

Instructors & Support

Mike Baker

Mike Baker has been an instructor since 2011. Previously, he was HVAC Program Director at both Virginia College and Vista College. Baker was a HVAC technician for several decades and has experience hiring, training, and managing HVAC Technicians. He holds numerous HVAC Excellence certifications, several Green Mechanical Council certifications, an EPA 608 Universal certification, and Emerson Climate Technology certifications. He has served as both an HVAC Excellence Instructor and Exam Proctor. 


Prerequisites / Requirements


This course is designed for working HVAC/R technicians with one-to-two years of industry experience. In addition, you should have a high school diploma or GED.

However, if you do not have the previous work experience in the HVAC/R industry, we recommend our HVAC/R Technician course.


Hardware Requirements:

  • This course can be taken on either a PC or Mac.
  • Webcam and microphone for testing. 

Software Requirements:

  • PC: Windows XP or later
  • Mac: OS X Snow Leopard 10.6 or later.
  • Browser: The latest version of Google Chrome or Mozilla Firefox are preferred. Microsoft Edge and Safari are also compatible.
  • Adobe Flash Player. Click here to download the Flash Player.
  • Adobe Acrobat Reader. Click here to download the Acrobat Reader.
  • Software must be installed and fully operational before the course begins.


  • Email capabilities and access to a personal email account.

Simulation Requirements 

  • Desktop Browser: A 64-bit web browser 

  • Recommend: Mozilla Firefox 52+, Google Chrome 57+ 

  •  Supported: MS Edge 15+, Apple Safari 10.1+ 

Instructional Materials

The instructional materials required for this course are included in enrollment. The following material will be available online: 

  • EPA Section 608 Preparatory Manual 

 The following textbook will be shipped to you approximately 7-10 business days after enrollment: 

  • DEWALT HVAC Technician Certification Exam Guide 

More About

Upon completion of this course, you will receive an HVAC Excellence ESCO Group Voucher Package that includes:

  • 1 Principals of Electrical and Refrigeration (Core)* exam voucher
  • 1 Professional Technician exam voucher (Residential Air Conditioning recommended)
  • 1 EPA 608 exam voucher

*To sit for the HVAC Excellence Core exam, you must provide two years of documented work experience. Exam proctor fees may apply. 

Additionally, this course aligns with the following Professional Technician specialty areas (vouchers are not included for the below exams):

  • Principals of Electrical and Refrigeration Theory 

  • Residential Air Conditioning 

  • Gas Heat 

  • Electric Heat 

  • Heat Pump Installer 

  • Heat Pump Service 

  • Light commercial Air Conditioning 

  • Light commercial Refrigeration 

About Certification


HVAC Excellence strives to meet and solve the technical challenges facing the industry. The organization believes that the best way to do this is to improve the technical skills and knowledge of the professionals “on the ground” through hands-on continuing education and certification programs. HVAC Excellence offers a wide variety of individual examinations, certification courses, and career tracks for HVACR technicians. Completing a course certified by HVAC Excellence can help you break into this growing field.


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Can I register for a course if I am an international student?

Yes, ed2go courses are completely online. However, keep in mind that not all certifying bodies or industry-specific certifications are recognized internationally. Please review your country’s regulations prior to enrolling in courses that prepare for certification.

Does this course prepare for a certification?

Yes. This course prepares for the HVAC Excellence Core and Professional Technician certifications exams, the NATE Core and Specialty Test certification exams, and the EPA 608 certification exam. However, you will only be provided with an exam voucher package for HVAC Excellence exam. 

When can I start the course?

This course is open enrollment, so you can register and start the course as soon as you are ready. Access to your course can take 24-48 business hours.

How long does it take to complete this course?

This course is self-paced and open enrollment, so you can start when you want and finish at your own pace. When you register, you'll receive twelve (12) months to complete the course.

What if I don't have enough time to complete my course within the time frame provided?

The time allotted for course completion has been calculated based on the number of course hours. However, if you are unable to complete the course, contact your Student Advisor to help you work out a suitable completion date. Please note that an extension fee may be charged.

What kind of support will I receive?

You may be assigned with an instructor or team of industry experts for one-on-one course interaction. Your support will be available (via e-mail) to answer any questions you may have and to provide feedback on your performance. All of our instructors are successful working professionals in the fields in which they teach. You will be assigned to an Advisor for academic support.

What happens when I complete the course?

Upon successful completion of the course, you will be awarded a Certificate of Completion.

Am I guaranteed a job?

This course will provide you with the skills you need to obtain an entry-level position in most cases. Potential students should always do research on the job market in their area before registering.

Can I get financial assistance?

ed2go courses are non-credit, so they do not qualify for federal aid, FAFSA and Pell Grant. In some states, vocational rehab or workforce development boards will pay for qualified students to take our courses. Additionally, some students may qualify for financial assistance when they enroll, if they meet certain requirements. Financing is available from select schools. Learn more:

How can I get more information about this course?

If you have questions that are not answered on our website, representatives are available via LIVE chat. You can also call us at 1-877-221-5151 during regular business hours to have your questions promptly answered. If you are visiting us during non-business hours, please send us a question using the “Contact Us” form.

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