Heating, Refrigeration and A/C A.A.S. Degree
HRA A.A.S. Degree Courses
Preferred Course Sequence
| Semester I | Cr Hrs | |
|---|---|---|
| HRA-102 Basic Refrigeration Theory and Application This introductory course provides students through lecture and lab the basic knowledge and skills required to comprehend the refrigeration cycle and service the refrigeration system. |
4-2-4 | |
| HRA-103 Electricity for Heating, Refrigeration and A/C
This is a lecture/laboratory course focused on AC electrical theory, troubleshooting and schematic reading as applied to refrigeration and air conditioning systems. |
4-2-4 | |
| ENG-101 Composition I English 101 introduces students to college-level writing and thinking through personal narrative, analytical, and research-supported writing. The processes of critical thinking, composing, revising, and editing are emphasized. Students will learn basic research skills and documentation techniques. Prerequisite: Grade of NC or better in ENG 050 or satisfactory score on English placement assessment. |
3-3-0 | |
| MTH-125 Technical Math I This course is designed to give students in technical programs a background in applied algebra and trigonometry. Topics include basic algebraic expressions, ratio and proportion, trigonometric functions, solving right and oblique triangles, linear and quadratic equations, volumes and surface areas, operations with polynomials, graphing, and number systems. Prerequisite: Grade of “NC” or better in MTH 070 (preferred), MTH 050 or MTH 055 or equivalent or satisfactory score on the Mathematics Placement Assessment. |
3-3-0 | |
| PLS-101 American Government and Politics
This course is an introduction to the origin, organization and policy of the United States and state government. The course fulfills Missouri state law requiring instruction in the Constitutions of the United States and Missouri. |
3-3-0 | |
| Semester II | Cr Hrs | |
|---|---|---|
| HRA-125 Refrigerants and Refrigerant Handling This course offers Lecture/Lab experiences that familiarize the students with the characteristics of the most commonly used refrigerants and retro-fitting CFC systems. Refrigerant recovery and evacuation procedures are emphasized and practiced during this course. The course includes administration of the EPA Exam. Prerequisite: HRA 102. |
4-2-4 | |
| HRA-135 Refrigeration Motors and Controls This course offers Lecture/Lab experiences that familiarize the students with the characteristics of electrical controls and motors in refrigeration, heating and air conditioning systems. The students will learn and wire electrical circuits that are commonly used in refrigeration, heating and air conditioning. Students will learn the fundamentals of electronic control boards used on central air conditioners. Prerequisite: HRA 103. |
4-2-4 | |
| HRA-180 Air Distribution Systems This course offers the knowledge & skill necessary to design, size and fabricate duct systems used in heating and air conditioning. Emphasis will also be given to air quality management and humidification. |
2-1-2 | |
| COM-105 Public Speaking This is an introductory course in research, composition, delivery, and evaluation of speeches for a variety of purposes and occasions. Students will develop skills in critical listening and analysis through small group and individual activities. |
3-3-0 | |
Social Science Elective - 3 hours |
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| Total Semester Hours: | 16 | |
| Semester III | Cr Hrs | |
|---|---|---|
| HRA-245 Commercial Refrigeration Systems This course offers lecture/laboratory experiences that provide the student with knowledge of commercial refrigeration systems. Refrigeration & electrical knowledge that has been gained from previous courses will be applied specifically to commercial applications. The student will have the opportunity to work on varied types of commercial equipment. Skills that are needed to troubleshoot a variety of commercial equipment will be acquired. Prerequisite: HRA 102, HRA 103. |
4-2-4 | |
| HRA-265 Residential Heating and Air Conditioning This course offers lecture/laboratory experiences that provide the student with the knowledge and skills needed to install and troubleshoot residential air conditioners and furnaces. Prerequisite: HRA 102, HRA 103. |
4-2-4 | |
| HRA-280 Boilers and Chillers This is a lecture/laboratory course that will allow the student to understand the operation of boilers and chillers that are used in institutions or industrial settings. Refrigeration and electrical knowledge that has previously been gained will be applied to understand the unique components used on these systems. Prerequisites: HRA 102, HRA 103. |
4-2-4 | |
Science Elective (PHY 140 preferred) - 4 hours |
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| Total Semester Hours: | 16 | |
| Semester IV | Cr Hrs | |
|---|---|---|
| HRA-250 Advanced Commercial Refrigeration This is a lecture/laboratory course that will allow the student to understand the operation of larger commercial refrigeration systems that are used in wholesale, warehouses and industrial settings. Refrigeration and electrical knowledge that has previously been gained will be applied to understand the unique refrigeration components used on these systems. Skills and knowledge needed to size equipment and refrigerant lines will be covered in this course. Prerequisites: HRA 102, HRA 103. |
4-2-4 | |
| HRA-270 Advanced Heating and Air Conditioning This course offers lecture/lab experiences that provide the students additional opportunities to apply heating and air conditioning knowledge acquired in previous courses or from actual experience. Topics are oriented toward applications of specialized systems such as heat pumps, hydronics and packaged systems. Prerequisites: HRA 102, HRA 103. |
4-2-4 | |
| HRA-281 Heating, Refrigeration and A/C Capstone AssessmentThis comprehensive course, using concepts and skills learned from previous HRA courses, will be used to evaluate the students’ knowledge and skills in HVAC. The students will acquire an HVAC competency certifi cation during this course to increase their employment opportunities. Emphasis will be placed on troubleshooting different types of HVAC equipment through the semester. Prerequisites: HRA 102, HRA 103, HRA 125, HRA 135, HRA 245, HRA 265 and co-requisites HRA 250, HRA 270. | 2-0-0 | |
| HRA-290 Co-Operative Ed/Intern/Related Elective This course encompasses a supervised work experience in the major field which provides the student with the opportunity to make practical application of the knowledge and skills attained through coursework. An individualized instructional management plan will determine goals to be accomplished. Seminars may also be required. Prerequisites: Completion of 30 credit hours and 2.0 GPA; or advisor’s approval. Please see the Department Chair of the specific program area for application. |
Variable 1-3 | |
| TEC-285 Occupational Seminar
Instruction for this course includes career identification, self-assessment, resume’ development, preparation of cover letters, completion of applications for local jobs, learning the on-line employment application process, research of local companies, jobs available, and current salary ranges, job searching techniques and tools, interviewing skills, follow-up steps after the job interview and on-the-job performance expectations. Prerequisite: Minimum of 30 hours toward degree program or advisor’s approval. |
1-1-0 | |
Students must earn a grade of "C" or better in HRA 281 to meet HRA graduation requirements. |
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| Total Semester Hours: | 13-14 | |
| Semester V | Cr Hrs | |
|---|---|---|
| Semester VI | Cr Hrs | |
|---|---|---|