Available courses

HVAC technicians who are trained on residential and light commercial air conditioning are often called upon to service and repair commercial refrigeration systems. This course builds upon your core knowledge of air conditioning to help you learn and understand medium and low temperature refrigeration.

  • Course Length - 7 Weeks
  • Course Materials - "Commercial Refrigeration for HVAC Technicians" - Sold separately. Free shipping
  • eLearning - 7 Sessions
  • Exams - End of Unit Exams
  • Commercial Refrigeration Student Group Forum Access - Unlimited
  • Course Price - $350.00
  • Course Material - Purchased Separately

This is a comprehensive course for HVAC students. It is designed to prepare you for an entry level HVAC technician job.

This course covers the electrical principles and practices that are required of installation and service technicians who are working in the industry. The text is written with a blend of theoretical and practical applications for HVAC Techs. Many service tips, procedures, diagnostic charts, and reference materials make this course and accompanying textbook valuable tools for use in the field after course completion.

Course Information

This course will help you prepare for the NATE Air Conditioning and Heat Pumps Certification Exam, which most HVAC Technicians do not pass on their first attempt. We will go through the study guides together chapter by chapter to ensure you have a thorough understanding of each. Live eLearning events and timed practice tests are also included. I recommend you take the practice tests until you can achieve a score of 80%. There is no guarantee that you will pass the NATE Certification exam after completing this course.

  • Course Length - 7 Weeks
  • Course Materials - "Heat Pumps and Air Conditioning Preparing for the NATE Exam
  • eLearning - 7 Sessions
  • Practice Exams - Unlimited Access (after course completion)
  • NATE Student Group Forum Access - Unlimited
  • Course Material - Order from  Johnstone Supply, part number G35-909

Course Curriculum

  • Human comfort and system selection
  • Heat transfer and the basic refrigeration cycle
  • System components
  • Electrical components
  • Installation guidelines
  • Reading electrical schematics
  • Troubleshooting electrical circuits
  • System performance checks
  • Gas and Oil Heating

Course Information

This course will help you prepare for the NATE Core Certification Exam, which most HVAC Technicians do not pass on their first attempt. We will go through the study guides together chapter by chapter to ensure you have a thorough understanding of each. Live eLearning events and timed practice tests are also included. I recommend you take the practice tests until you can achieve a score of 80%. There is no guarantee that you will pass the NATE Certification exam after completing this course.

  • Course Length - 6 Weeks
  • Course Materials - "Core Essentials Preparing for the NATE Exam
  • eLearning - 3 Sessions
  • Practice Exams - Unlimited Access (after course completion)
  • NATE Student Group Forum Access - Unlimited
  • Course Material - Order from  Johnstone Supply, part number G35-908

Course Curriculum

  • Soft skills
  • Trade tools
  • Safety
  • Heat and matter
  • Electrical diagrams
  • Test instruments
  • Air Conditioning and Heat Pumps

Free EPA Study and Practice Course for Students New to HVAC

The following outline is a general guide to the issues covered on the test given for EPA certification under section 608. This is a CLOSED BOOK test and requires a lot of memorization. Dates, regulation numbers, protocols etc... This is a very difficult test so practice, practice, practice. The questions on the quiz are representative of what is on the test. There is no guarantee you will pass the EPA Certification Test by completing this course.

Who Should Attend
For individuals who are new or fairly new to HVAC or who want to fine tune their skills and understanding of HVAC.

Course Design

Duration: 4 Weeks.
Workload: 1 hour per day, 5 out of 7 days per week, for testing and study time.
Teaching Format: Self guided e-learning.
Classroom Format: Online information and practice test.
Content and Learning Community: Includes unlimited access to practice exams.

Instructor: This e-course is self-guided.

Topics:

  • Section 1: AC and Heat Pump Assessment
  • Section 2:  AC and Gas Furnace Assessment
  • Number of Questions: 35 ea.
  • Time Limit: 1 Hour
  • Minimum Pass Score: 80%

This is an introductory course for Customer Service Representatives, Dispatchers, Administrative Personnel, and Maintenance Technician Trainees. 

Topics Include:

  • U.S. Department of Energy Views
  • LSU Residential Maintenance Study
  • The 3 Parts of a Maintenance Visit
  • What Components are Inspected and Why
  • What is Cleaned and Why
  • What Makes NearU's Maintenance the Industry Standard

Course Length - 1.5 Hours


  • Introduction
  • Operation
  • Troubleshooting
  • Replacement
  • 1 hour
  • Quiz
  • Certificate of Completion
  • 100% Shutoff vs. Non-100% Shutoff Ignition Control Module
  • Soft and Hard Lockouts
  • Purging
  • Wiring and Terminals
  • Sequence of Operation
  • 1 hour
  • Quiz
  • Certificate of Completion

Learning Objectives:

  • CFM per ton
  • Total External Static Pressure
  • How to Measure Static Pressure
  • Blower Charts
  • How to Calculate System Performance
  • 1-1.5 Hours
  • Exam
  • Certificate

This one hour long video class uses an 80% Single Stage Rheem Gas furnace schematic as the example. We examine, discuss, and break the schematic down section by section, component by component.

  • Ladder and schematic diagrams
  • Legends
  • Symbols
  • Components and their states
  • Sequence of operation using the schematic diagram
  • 1 hour
  • Quiz
  • Certificate of Completion

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