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ATS HVAC101: Introduction to Refrigeration and Electricity (February 2026)
Orientation
Orientation Handbook
How to Navigate Cengagte Online Textbook and Access Codes (13:13)
Week 1
Course Syllabus/Rules and Regulations
Introduction (50:59)
Unit 4: General Safety Practices (42:02)
Unit 5: Tools and Equipment (71:39)
Unit 7: Tubing and Piping (50:08)
Unit 7: Textbook Assignment
Review (16:36)
Quiz
Week 1 Test
Test
Week 1 Grades
Quiz Grade
Test Grade
Week 2
Unit 1: Heat/Temperature/Pressure Part 1 (68:32)
Unit 1: Heat/Temperature/Pressure Part 2 (70:44)
Unit 1: Textbook Assignment
Unit 6: Fasteners (38:13)
Quiz
Review (39:48)
EPA Section 608 Core Certification Preparation (61:43)
EPA Core Practice Test (74:44)
Week 2 Test
Test
Week 2 Grades
Quiz Grade
Test Grade
Week 3
EPA Section 608 Type 1 Certification Preparation (29:28)
EPA Type 1 Practice Test (70:59)
Unit 2: Matter and Energy Part 1 (48:46)
Unit 2 Matter and Energy Part 2 (75:12)
Unit 3: Refrigeration Components, Superheat and Subcooling (74:17)
Quiz
Unit 2 and 3 Review (28:27)
Week 3 Tests
Test
Week 3 Grades
Quiz Grade
Test Grade
Week 4
Unit 3: Refrigerant (65:45)
Unit 3: Refrigerant Charge (78:22)
Unit 3: Pressure/Enthalpy Chart (44:10)
Unit 3: Textbook Assignment
Quiz
EPA Section 608 Type 2 Certification Preparation (42:30)
EPA Type 2 Practice Test (52:08)
Unit 3 Review (35:14)
Week 4 Test
Test
Week 4 Grades
Quiz Grade
Test Grade
Week 5
Unit 9.1 - 9.9: Refrigerants & the Environment (60:37)
What Happens When there is Low Airflow Across Coils? (58:58)
Unit 9.10 - 9.20: Refrigerant Blends, Recovery, Reclaim, & Recycle (61:47)
Unit 9: Textbook Assignment
Quiz
EPA Section 608 Type 3 Certification Preparation (28:51)
EPA Type 3 Practice Test (38:47)
Unit 9 Review (20:44)
Week 5 Test
Test
Week 5 Grades
Quiz Grade
Test Grade
Week 6
Unit 8.1-8.4: Leak Detection (77:06)
Unit 8.4-8.7: Leak Detection Methods and Tips/Evacuation (55:46)
Unit 8.7-8.9: Evacuation Methods and System Cleanup (58:49)
Unit 8 Review (35:52)
Unit 8: Textbook Assignment
Quiz
Week 6 Test
Test
Week 6 Grades
Quiz Grade
Test Grade
Week 7
Unit 10.1: System Charging Part 1 (65:01)
Unit 10.2-10.7: System Charging Part 2 (33:48)
Unit 10.8: System Charging Part 3 (31:53)
Unit 10 Review (28:57)
Quiz
Unit 10: Textbook Assignment
Week 7 Test
Test
Week 7 Grades
Quiz Grade
Test Grade
Week 8 (Midterm)
Midterm Review Part 1 (51:29)
Midterm Review Part 2 (17:16)
Quiz
Week 8 Test
Test
Week 8 Grades
Quiz Grade
Test Grade
Week 9
Unit 2: Textbook Assignment
Unit 12.1 - 12.5: Matter & Electricity (38:34)
Unit 12.6 - 12.7: Voltage & Current (41:11)
Unit 12.7 - 12.8: The Basic Electrical Circuit (56:03)
Unit 12 Part 1 Review (4:38)
Quiz
Week 9 Test
Test
Week 9 Grades
Quiz Grade
Test Grade
Week 10
Unit 12.10: Ohm's Law (59:16)
Electrical Symbols (50:14)
Schematic Diagrams (47:52)
Review: Ohm's Law, Electrical Symbols, & Schematic Diagrams (7:31)
Quiz
Week 10 Test
Test
Week 10 Grades
Quiz Grade
Test Grade
Week 11
Unit 12.11 - Unit 12.12: Ohm's Law in Series & Parallel Circuits (58:27)
Unit 12.14 - 12.16: Magnetism, Induction, & Transformers (55:24)
Unit 12.20 - 12.22: Wire Sizes, Circuit Protection Devices, & Three-Phase Electricity (37:19)
Unit 12 Part 2 Review (16:00)
Quiz
Week 11 Test
Test
Week 12
Unit 19.1 - 19.3: Motor Controls Part 1 (57:04)
Heat Relay Demonstration (20:06)
Fan Relay Demonstration (21:06)
Sequencer Demonstration (14:17)
Contactor Demonstration (17:02)
Unit 19.3 - 19.5: Motor Controls Part 2 (50:27)
Quiz
Unit 19.6 - 19.12: Motor Controls Part 3 (22:59)
Outdoor Disconnect Demonstration (14:36)
Fuse Measurement Demonstration (12:17)
Unit 19 Review (6:42)
Week 12 Test
Test
Week 13
Unit 17.1-17.7: Types of Electric Motors Part 1 (45:00)
Unit 17.8-17.13: Types of Electric Motors Part 2 (41:39)
Unit 17.14-17.25: Types of Electric Motors Part 3 (83:01)
Unit 17 Review (5:19)
Quiz
Week 13 Test
Test
Week 14
Unit 18: More About Capacitors (23:14)
Unit 17.26 - 16.30: Variable Speed Motors (27:32)
Unit 18.1 - 18.7: Motor Applications & Troubleshooting (23:25)
Unit 17 & Unit 18 Review (7:27)
Quiz
Week 14 Test
Test
Week 15
Quiz
Week 16
Quiz
Final Exam Review Part 1
Week 16 Test
Test
Unit 17.14-17.25: Types of Electric Motors Part 3
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