School of
INDUSTRIAL TRADESHelms College prepares students for careers in the industrial trades through carefully designed programs that stress personalized instruction and practical experience. Our instructors are experienced professionals in the industry, who share their real-world knowledge and experience. Students develop their skills through hands-on learning with tools and equipment selected specifically for the instruction of industrial trades programs.
Programs in INDUSTRIAL TRADES
Length: 880 Clock Hours; 44 Instructional Weeks
Credential Awarded: Diploma
Mode of Delivery: Residential
Program Description
The objective of the program is to provide the student with the skills and knowledge required for entry-level employment in the Heating, Ventilation, Air Conditioning and Refrigeration industry. The program is designed to be comprehensive in nature, including extensive hands-on training, covering service for residential and commercial refrigeration, gas furnaces, heat pumps, electric furnaces and air conditioning equipment.
Career Opportunities
Upon satisfactory completion of the program, students are prepared to seek entry-level positions in the HVACR field such as HVACR Service Technician, HVACR Installation Technician, and Apprentice Heating Technician.
| Course Code | Course Title | Clock Hours | Credit Hours |
| HVR 101 | Principles of Electricity | 55 | 4 |
| HVR 101 | 4.0 Credits | 55 Clock Hours (33 Lecture/22 Lab) | Prerequisite: None This course is designed to present basic concepts of electricity. Topics covered in the course include electrical safety, electrical theory, circuits, measuring instruments, alternating currents, transformers, and more. Students will develop skills that support introductory electrical theory and principles that are required in the construction and maintenance industries. | ||
| HVR 105 | Thermodynamics | 55 | 4 |
| HVR 105 | 4.0 Credits | 55 Clock Hours (33 Lecture/22 Lab) | Prerequisite: None In this course students become familiar with the principles and theory of thermodynamics and how they apply to the HVAC-R industry. The components and features of the HVAC-R system are introduced. Students will also be introduced to Manual “J” calculations. At the conclusion of this course students will have a basic understanding of heat, pressure, temperature, conduction and radiation. | ||
| HVR 110 | Practical Applications of Electricity | 55 | 4 |
| HVR 110 | 4.0 Credits | 55 Clock Hours (33 Lecture/22 Lab) | Prerequisite: None This course delivers the practical applications of electricity in relation to the Heating, Ventilation, Air Conditioning (HVAC) systems & the electrical panels. Topics include basic principles of electricity, circuits, interpreting wiring diagrams, the principles of electric motors and testing, troubleshooting, servicing, maintaining and installing HVAC electrical components. Students will be focusing on alternating current circuits, proper wiring of electrical boards, the application of electrical laws to practical wiring applications and safety in the process. | ||
| HVR 115 | HVACR Controls | 55 | 4 |
| HVR 115 | 3.0 Credits | 44 Clock Hours (22 Lecture/22 Lab) | Prerequisite: None In this course students gain a basic understanding of the principles and theory of controls used in the HVACR industry. Students will apply electrical and energy theory to applications; learn control components, the basics of troubleshooting, and types of electric motors. At the completion of this course the student will be prepared to use Ohms law to analyze circuits, identify types of mechanical, electromechanical, and electronic controls to sense and control temperature, level, flow, and pressure, the use of basic electrical troubleshooting techniques, and identify types of motors and state there characteristics. | ||
| HVR 120 | Controls, Motors and Motor Controls | 55 | 5 |
| HVR 120 | 4.0 Credits | 55 Clock Hours (33 Lecture/22 Lab) | Prerequisites: HVR 105 In this course, students will be introduced to direct digital controls (DDCs): control applications, types of control systems, and components. The application of motors: safety, voltages, environments, insulation, bearings and drives. Motor controls: safety, control devices, motor protection, and troubleshooting electric motors. Upon completion of this course the student will be prepared to explain control terminology, describe electronic control components, explain service factor amperage (SFA), full load amperage (FLA), and rated load amperage (RLA); and describe motor applications. | ||
| HVR 125 | Refrigerants | 55 | 4 |
| HVR 125 | 4.0 Credits | 55 Clock Hours (33 Lecture/22 Lab) | Prerequisites: HVR 105 This course introduces the physics of the basic refrigeration cycle, refrigerants, the pressure and temperature relationship, and pressure-enthalpy to the student. The methods and principles associated with evacuation, recovery and charging of refrigeration and air conditioning equipment are explored. At the completion of this course students will be prepared to identify the main components in a refrigeration cycle, use a pressure temperature chart, measure superheat and sub-cooling, plot a pressure-enthalpy diagram, correctly recover, evacuate and charge an air conditioning or refrigeration system within compliance of EPA608 guidelines, identify refrigerants, and determine the temperature application. | ||
| HVR 130 | Residential Air Conditioning | 55 | 4 |
| HVR 130 | 4.0 Credits | 55 Clock Hours (33 Lecture/22 Lab) | Prerequisites: HVR 125 In this course students become familiar with indoor air quality and major air conditioning system components including: condensers, compressors, accumulators, suction lines, evaporators, metering devices, receivers, suction-, discharge-, liquid- and condensate lines. How equipment is selected using manual J heat gain and heat loss calculations are explored. At the end of this course the student will have a foundation of indoor air quality issues and methods that can address these issues. The student will be able to speak about use of manual J to apply proper selection of equipment and installation and use of major air conditioning components. | ||
| HVR 135 | Commercial Air Conditioning | 55 | 4 |
| HVR 135 | 4.0 Credits | 55 Clock Hours (33 Lecture/22 Lab) | Prerequisites: HVR 125 This course focuses on the installation, start-up, and operation of commercial air-conditioning equipment. High-pressure, low-pressure, absorption chilled-water systems, cooling towers and pumps, operation, maintenance, and a troubleshooting of chilled water air conditioning systems, commercial packaged rooftop equipment, economizers, variable air volume, variable refrigerant flow and variable air flow system will be covered. Upon completion of this course students will be able recognize components and types of commercial air conditioning systems. | ||
| HVR 140 | Commercial Refrigeration | 55 | 4 |
| HVR 140 | 4.0 Credits | 55 Clock Hours (33 Lecture/22 Lab) | Prerequisites: HVR 125 Commercial Refrigeration provides the student with a basic understanding of the components, methods, principles and troubleshooting associated with HVAC-R equipment used in commercial HVAC-R systems. Topics include the major components, controls and accessories used in refrigeration systems, the identification of appropriate systems for given applications, and diagnosis and service of refrigeration systems. At the end of this course, students will be able to define, describe and identify the concepts, functions, components and troubleshooting strategies involved in commercial refrigeration. | ||
| HVR 145 | Industrial Refrigeration | 55 | 4 |
| HVR 145 | 4.0 Credits | 55 Clock Hours (33 Lecture/22 Lab) | Prerequisites: HVR 125 Industrial Refrigeration provides the student with a basic understanding of the components, methods, and principles associated with transport refrigeration and in large-scale industrial facilities. Topics include methods of refrigerated transport, and the components, processes and troubleshooting of chillers, cooling towers and chilled water air conditioning systems. At the end of this course, students will be able to define, describe and identify the concepts, functions, and components involved in servicing transport- and industrial-style refrigeration systems. | ||
| HVR 150 | Electric Heat and Heat Pumps | 55 | 4 |
| HVR 150 | 4.0 Credits | 55 Clock Hours (33 Lecture/22 Lab) | Prerequisites: HVR 105 Students are introduced to the principles and theory of electric heat and heat pump systems. Focus is on the equipment and controls of electric heating and how to maintain, test, and troubleshoot electrical problems. This course also provides students with a basic understanding of the principles and theory of heat pumps. The equipment and controls of air-source and geothermal heat pumps are covered. At completion of this course the student should be prepared to identify the components, trace electrical schematics, describe operating sequence, perform basic maintenance and tests in troubleshooting electric heat and heat pump systems. | ||
| HVR 155 | Gas Heating Systems | 55 | 4 |
| HVR 155 | 4.0 Credits | 55 Clock Hours (33 Lecture/22 Lab) | Prerequisites: HVR 105 Gas Heating Systems exposes students to the theory of gas combustion and gas heating equipment and controls. Throughout the course students gain practical knowledge of gas furnaces along with safety considerations, and students will implement techniques used for troubleshooting, maintaining, and installing gas-heating equipment. After successfully completing this course, students will have the knowledge and skills necessary to begin supervised service and maintenance as well as installation of gas heating systems. | ||
| HVR 160 | Water-Based Heating Systems | 55 | 4 |
| HVR 160 | 4.0 Credits | 55 Clock Hours (33 Lecture/22 Lab) | Prerequisites: HVR 105 Water-Based Heating Systems introduces students to the equipment and controls of hot water and steam-based heating systems, as well as the strategies used to reduce indoor air pollution. Throughout the course students will gain valuable knowledge and experience with safety procedures, tools, piping, valves, and control systems used with water-based heating systems, and the tools and components used for providing indoor quality air. After successfully completing this course, students will have the knowledge and skills necessary to begin supervised maintenance and repair of water-based heating systems, and be able to explain procedures used to create indoor quality air. | ||
| HVR 165 | HVAC System Performance | 55 | 4 |
| HVR 165 | 4.0 Credits | 55 Clock Hours (33 Lecture/22 Lab) | Prerequisites: HVR 125 This course provides the student with the basic principles for the design and installation of HVACR equipment and how these practices assure proper system performance. The principles and theory of airflow requirements, indoor air quality, duct design, load calculation, and sheet metal fabrication are covered in this course. Manual “J” will be introduced. At the completion of this course the student will be prepared to develop a basic load calculation resulting in a properly sized system, recognize good installation practices and analyze system performance. | ||
| HVR 170 | HVAC Troubleshooting and Service Calls | 55 | 4 |
| HVR 170 | 4.0 Credits | 55 Clock Hours (33 Lecture/22 Lab) | Prerequisites: HVR 125 This course provides the student with the basic principles for troubleshooting HVACR equipment. The methods for repairing problems identified in HVACR equipment are practiced. The focus is on HVACR service calls for residential and commercial equipment. At the completion of this course, the student will be prepared to make service calls for troubleshooting and repairing problems in basic HVACR equipment. | ||
| HVR 180 | EPA Certification Preparation | 55 | 4 |
| HVR 80 | 4.0 Credits | 55 Clock Hours (33 Lecture/22 Lab) | Prerequisites: HVR 125 This course provides an extensive review of refrigeration and air conditioning systems fundamentals and lab practical. The Core, Type I, Type II and Type III certifications will be covered. Emphasis will be place on the safe and proper handling of refrigerants in compliance with Section 608 of the Clean Air Act. At the end of this course the student will be prepared for the EPA Certification—Universal Exam. | ||
| Totals | 880 Hours | 43.5 Hours | |
HELMS COLLEGE: BRINGING HVACR TRAINING TO MACON
HVACR technicians are in high demand. According to the Bureau of Labor Statistics, employment of heating, air conditioning, and refrigeration mechanics and installers is projected to grow 15 percent from now until 2026, much faster than the average for all occupations.
To take advantage of this growing field, some of the skills you will need to learn are:
- Install, clean, and maintain HVACR systems
- Install electrical components and wiring
- Inspect and test HVACR systems and components
- Discuss system malfunctions with customers
- Repair or replace worn or defective parts
- Recommend maintenance to improve system performance
We invite you to learn more about our programs today. Find out just how Helms College changes everything.
Apply NowHeating, Ventilation, Air Conditioning and Refrigeration was last modified: August 7th, 2023 by