Heating, Refrigeration and A/C Certificate
HRA Certificate 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 | |
NOTE: MTH 110 can be substituted for MTH 125. |
||
| Total Semester Hours: | 14 | |
| 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 | |
| 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 | |
| Semester IV | Cr Hrs | |
|---|---|---|
| Semester V | Cr Hrs | |
|---|---|---|
| Semester VI | Cr Hrs | |
|---|---|---|