Heating, Ventilation, Air-Conditioning, and Refrigeration (HVAC/R/G)

Program Hours: 810
Assigned Course Preparation Hours 202
Academic Credits 60

Program Description

The HVAC/R program develops students’ skills and knowledge related to residential and commercial heating, ventilation, air conditioning, and refrigeration. As well as basic principles and practices of propane and natural gas service technicians for small appliance installation and service certifications recognized for licensing in the State of Maine. Topics covered include electricity, thermodynamics, combustion properties, principles of venting and ventilation, systems sizing and code interpretation, psychometrics, diagnostics, forced air furnaces, air distribution systems, and heating/cooling load analysis. This course provides students with a substantial skill and knowledge foundation typically required for Apprentice HVAC/R technicians. The course content prepares students for entry-level employment, advanced training in HVAC/R, and entry into post-secondary education.

Learning Objectives

  • Provide students with the troubleshooting, repair, and safety skills needed for entry-level positions in the HVAC industry.
  • Prepare students for entry-level employment with HVAC contractors, property management companies, and large buildings such as hospitals and hotels.
  • Provide students with a thorough grounding in the fundamentals of heating and cooling system design, installation, operation and analysis.
  • Emphasis is also placed on proper safety practices and procedures in the lab and the workplace, while installing, designing, troubleshooting and servicing HVAC/R systems.
  • Prepare students to pass multiple industry certifications (EPA, NORA Bronze, and CETP)

Methods of Instruction

All courses are delivered in a group and through one-on-one instructions using textbooks, educational materials, and field opportunities.


Refer to the Student Catalog and Handbook for the full list of policies.

Required Equipment

  • Tool Bag
  • Calculator (phones not allowed)
  • Safety Glasses
  • Offset Wrench – Yellow Jacket Model# 60616
  • Digital Clamp-on Multi-meter – UEI Model# G2 Phoenix DL389 TRMS
  • Gas Pressure Test Kit (Manometer) – Yellow Jacket Model# 78060
  • Manifold Gauges with Hose Set – Yellow Jacket Model# 42001 and 22984
  • Hex Key Bit – Yellow Jacket Model# 60609
  • 6 in 1 Screwdriver – Lennox Model# 23931


HVAC-01AC – Introduction to Air Conditioning/Charging and Recovery | Hours: 142

This course begins with an introduction to the HVAC/R industry including air conditioning, tools, safety, equipment and piping. The course then progresses to air conditioning fundamentals, applications and terminology. The course covers SI Units, heat load calculation, equipment selection, air conditioning systems and cycles, components and controls.

  • Educational Resources
    • Refrigeration and Air Conditioning Technology 8th Edition, w/CD. Whitman, Johnson. ISBN: 13:978=1305578296

HVAC-02RC – Refrigeration and Controls | Hours: 150

This course introduces students to basic refrigeration concepts and electric motors, as well as the EPA 608 Refrigerant certification process and test.

  • Educational Resources
    • Refrigeration and Air Conditioning Technology 8th Edition, w/CD. Whitman, Johnson. ISBN: 13:978=1305578296
    • EPA 608 Refrigerant Certification: Quick Study Guide and CD

HVAC-03CETP-1 – Introduction to Gas | Hours: 60

This course addresses the fundamentals involved with Propane gas and the necessary steps and tests required to install or restart a gas appliance into operation in a manner that is compliant with the NPGA gas laws.

  • Educational Resources
    • NFPA-54 Gas Code Book
    • NFPA-58 Gas Code Book
    • Basic Principles and Practices of Propane Book 1.0

HVAC-03CETP-2 – CETP Propane and Natural Gas Training | Hours: 240

This course addresses the sequence of operations with gas equipment specifically with trouble shooting the appliance and the electrical circuitry involved with various gas appliance categories, as well as the funamentals that are unique to natural gas.

  • Educational Resources
    • Basic Electricity for Propane Appliance Book 4.4
    • Basic Propane Appliance Service and Troubleshooting Book 4.5
    • Advanced Propane Appliance Service and Troubleshooting Book 4.6
    • Fuel Gas Technician (Natural Gas) Book FGT 1.1
    • Placing Vapor Distribution Systems and Appliances into Operations Book 4.2
    • Installing Appliances and Interior Vapor Distribution Systems Book 4.3

HVAC-04NORA – Oil Technician (NORA) | Hours: 202

Students develop their knowledge and skills related to residential and commercial oil heating. Topics covered include: heating oil and its properties, oil tanks and piping, fuel units, nozzles, combustion chambers, drafting and venting, combustion properties,  basic electricity, ignition systems, motor controls, thermostats, hydronic and forced air systems, maintenance and service. This course provides students with the skills to pass necessary to pass the NORA Bronze Certification.

  • Educational Resources
    • NORA Oil Heat Technician’s Manual (Silver Certification Manual)
    • NORA Silver Book DVD (Optional)

HVAC-PD – Professional Development | Hours: 16

This course covers the concepts of professional customer relations and service aimed at enabling the highest level of success based on customer satisfaction and retention. The course addresses how to cope with difficult co-workers and manage stress in the workplace, as well as perform as a team member in the organization.

HVAC-EXT – Externship (Optional) | Hours: 80

Upon successful completion of selected modules, students may be eligible for a two week (80 hour) externship program. Students will gain valuable on-the-job work experience performing various HVAC/R job duties in both residential and commercial settings.



Students may be tested for the Gas Certification through CETP (The Certified Employee Training Program). CETP is a formal body for training, testing and documentation to ensure that workers in the propane industry have the necessary knowledge and skills to perform their work safely and effectively.


Students can test for the four certification exams for EPA 608.

  • Type I Certification: Can only work on small appliances (5 lbs. or less of refrigerant)
  • Type II Certification: Can only work on medium, high, and very-high pressure appliances
  • Type III Certification: Can only work on low-pressure appliances
  • Universal Certification: Possesses all three certification levels.


NORA is a collaborative program established by the oil industry to strengthen the industry by improving education and training for employees, providing customers more information, and developing new products for customers. NORA’s Bronze Certification is a program for those who have minimal field experience as an oil heat technician. The Bronze Certification will give individuals recognition in the industry and teach individuals the fundamental skills of oil heat.,