Gateway to Industry Year 3

The Gateway to Industry: Year 3 course advances HVAC/R training with a focus on heating systems, indoor air quality, air distribution, installation practices, troubleshooting, heat pumps, and commercial systems. This course equips apprentices with advanced skills to handle diverse challenges in field.

Course curriculum

1. Contacts
1. Welcome
2. Curriculum Tutorial
3. Textbook Reading and Assignment Tutorials
4. E-mail Tutorial
1. Module 25 Overview
2. Unit 30 Textbook Reading
3. Unit 30.1: Electric Heat
4. Unit 30.1 Knowledge Checks
5. Unit 30.2: Portable Electric Heating Devices
6. Unit 30.2 Knowledge Checks
7. Unit 30.3: Radiant Heating Panels
8. Unit 30.3 Knowledge Checks
9. Unit 30.4: Electric Baseboards
10. Unit 30.4 Knowledge Checks
11. Unit 30.5: Electric Hydronic Boilers
12. Unit 30.5 Knowledge Checks
13. Unit 30.6: Central Forced-Air Electric Furnaces
14. Unit 30.6 Knowledge Checks
15. Unit 30.7.1: Automatic Controls for Forced-Air Electric Furnaces
16. Unit 30.7.1 Knowledge Checks
17. Unit 30.7.2: The Low Voltage Thermostat
18. Unit 30.7.2 Knowledge Checks
19. Unit 30.7.3: Sequencers
20. Unit 30.7.3 Knowledge Checks
21. Unit 30.7.4: Contactors for Controlling Electric Furnaces
22. Unit 30.7.4 Knowledge Checks
23. Unit 30.8: Wiring Diagrams
24. Unit 30.8: Knowledge Checks
25. Unit 30.9 Control Circuits for Forced Air Handlers
26. Unit 30.9 Knowledge Checks
27. Unit 30.10: Blower Motor Circuits
28. Unit 30.10 Knowledge Checks
29. Unit 30.11: Airflow in an Electric Furnace (Measurements and Calculations)
30. Unit 30.11 Knowledge Checks
31. Unit 30.13.1: Service Calls Part 1 - Customer Relations
32. Unit 30.13.1 Knowledge Checks
33. Unit 30.13.2: Service Calls Part 2 - Troubleshooting
34. Unit 30.13.2 Knowledge Checks
35. Unit 30: Textbook Assignment
36. Unit 30: Chapter Summary
37. Unit 30 Quiz
38. Module 25: Practical Skills Report
1. Module 25: Test
1. Module 26: Overview
2. Unit 31 Textbook Reading Part 1
3. Unit 31.1: Introduction to Gas Furnaces
4. Unit 31.1 Knowledge Checks
5. Unit 31.2: Types of Furnaces
6. Unit 31.2 Knowledge Checks
7. Unit 31.3: Gas Fuels
8. Unit 31.3 Knowledge Checks
9. Unit 31.4: Gas Combustion
10. Unit 31.4 Knowledge Checks
11. Unit 31.5: Gas Regulators
12. Unit 31.5 Knowledge Checks
13. Unit 31.6: The Gas Valve
14. Unit 31.6 Knowledge Checks
15. Unit 31.7: Fuel Delivery Components
16. Unit 31.7 Knowledge Checks
17. Unit 31.8: Heat Exchanges
18. Unit 31.8 Knowledge Checks
19. Unit 31.9: Fan & Limit Controls
20. Unit 31.9 Knowledge Checks
21. Unit 31.10: Pilots
22. Unit 31.10 Knowledge Checks
23. Unit 31.11: Ignition Systems
24. Unit 31.11 Knowledge Checks
25. Unit 31.12: Flame Rectification
26. Unit 31.12 Knowledge Checks
27. Unit 31 Part 1 Quiz
28. Module 26: Practical Skills Report
1. Module 26 Test
1. Module 27: Overview
2. Unit 31 Textbook Reading Part 2
3. Unit 31.13 Part 1: High Efficiency Furnaces
4. Unit 31.13 Part 2: High Efficiency Furnaces
5. Unit 31.13 Knowledge Checks
6. Unit 31.14 Part 1: Electronic Ignition Modules & IFCs
7. Unit 31.14 Part 2: Electronic Ignition Modules & IFCs
8. Unit 31.14: Knowledge Checks
9. Unit 31.15: Two-Stage and Modulating Furnaces
10. Unit 31.15: Knowledge Checks
11. Unit 31.16: Venting
12. Unit 31.16: Knowledge Checks
13. Unit 31.17: Gas Piping
14. Unit 31.17: Knowledge Checks
15. Unit 31.18: Gas Furnace Wiring Diagrams and Troubleshooting Flowcharts
16. Unit 31.18: Knowledge Checks
17. Unit 31.22: Preventative Maintenance
18. Unit 31.22: Knowledge Checks
19. Unit 31: Textbook Assignment
20. Unit 31: Chapter Summary
21. Unit 31: Quiz
22. Module 27: Practical Skills Report
1. Module 27: Test
1. Module 28: Overview
2. Unit 34: Textbook Reading
3. Unit 34.1: Introduction to Indoor Air Quality
4. Unit 34.1: Knowledge Checks
5. Unit 34.2: Sources of Indoor Air Pollution
6. Unit 34.2: Knowledge Checks
7. Unit 34.3 Part 1: Common Pollutants
8. Unit 34.3 Part 2: Common Pollutants (Continued)
9. Unit 34.3: Knowledge Checks
10. Unit 34.4: Sick Building Syndrome
11. Unit 34.4: Knowledge Checks
12. Unit 34.5: Mold Remediation
13. Unit 34.5: Knowledge Checks
14. Unit 34.6: Ventilation
15. Unit 34.6: Knowledge Checks
16. Unit 34.7: Air Cleaning
17. Unit 34.7: Knowledge Checks
18. Unit 34.8: Duct Cleaning
19. Unit 34.8: Knowledge Checks
20. Unit 34.9: Air Humidification
21. Unit 34.9: Knowledge Checks
22. Unit 34.10: Diagnostic Chart for Filtration & Humidification System
23. Unit 34.10: Knowledge Checks
24. Unit 34: Textbook Assignment
25. Unit 34: Chapter Summary
26. Module 28: Quiz
27. Module 28: Practical Skills Report
1. Module 28: Test
1. Module 29: Overview
2. Unit 37: Textbook Reading
3. Unit 37.1: Conditioning Equipment
4. Unit 37.1: Knowledge Checks
5. Unit 37.2: Correct Air Quantity
6. Unit 37.2: Knowledge Checks
7. Unit 37.3: The Forced-Air System
8. Unit 37.3: Knowledge Checks
9. Unit 37.4: The Blower
10. Unit 37.4: Knowledge Checks
11. Unit 37.5: System Pressures
12. Unit 37.5: Knowledge Checks
13. Unit 37.6: Air Measuring Instruments for Duct Systems
14. Unit 37.6: Knowledge Checks
15. Unit 37.7: Types of Fans and Blowers
16. Unit 37.7: Knowledge Checks
17. Unit 37.8: Types of Drive Assemblies
18. Unit 37.8: Knowledge Checks
19. Unit 37.9: The Supply Duct System
20. Unit 37.9: Knowledge Checks
21. Unit 37.10 Part 1: Duct Materials
22. Unit 37.10 Part 2: Duct Materials (Continued)
23. Unit 37.10: Knowledge Checks
24. Unit 37.11: Duct Air Movement
25. Unit 37.11: Knowledge Checks
26. Unit 37.12: Balancing Dampers
27. Unit 37.12: Knowledge Checks
28. Unit 37.13: Zoning
29. Unit 37.13: Knowledge Checks
30. Unit 37.14: Duct Insulation
31. Unit 37.14: Knowledge Checks
32. Unit 37.15: Blending the Conditioned Air with Room Air
33. Unit 37.15: Knowledge Checks
34. Unit 37.16: The Return-Air Duct System
35. Unit 37.16: Knowledge Checks
36. Unit 37.17: Sizing Duct for Moving Air
37. Unit 37.17: Knowledge Checks
38. Unit 37.18: Measuring Air Movement for Balancing
39. Unit 37.18: Knowledge Checks
40. Unit 37.19: The Air Friction Chart
41. Unit 37.19: Knowledge Checks
42. Unit 37.20: Practical Troubleshooting Techniques
43. Unit 37.20: Knowledge Checks
44. Unit 37: Textbook Assignment
45. Unit 37: Chapter Summary
46. Module 29: Quiz
47. Module 29: Practical Skills Report
1. Module 29: Test
1. Module 30: Overview
2. Unit 38: Textbook Reading
3. Unit 38.1 Introduction to Equipment Installation
4. Unit 38.1: Knowledge Checks
5. Unit 38.2: Installing Square & Rectangular Duct
6. Unit 38.2: Knowledge Checks
7. Unit 38.3: Installing Round Metal Duct Systems
8. Unit 38.3: Knowledge Checks
9. Unit 38.4: Insulation and Acoustical Lining for Metal Duct
10. Unit 38.4: Knowledge Checks
11. Unit 38.5: Installaing Ductboard Systems
12. Unit 38.5: Knowledge Checks
13. Unit 38.6: Installing Flex Duct
14. Unit 38.6: Knowledge Checks
15. Unit 38.7: Electrical Installation
16. Unit 38.7: Knowledge Checks
17. Unit 38.8: Installing Package Systems
18. Unit 38.8: Knowledge Checks
19. Unit 38.9: Installing Split-System Air Conditioners
20. Unit 38.9: Knowledge Checks
21. Unit 38.10: The Split-System Condensing Unit
22. Unit 38.10: Knowledge Checks
23. Unit 38.11: Installaing Refrigerant Piping on Split-Systems
24. Unit 38.11: Knowledge Checks
25. Unit 38.12: Equipment Startup
26. Unit 38.12: Knowledge Checks
27. Unit 38: Textbook Assignment
28. Unit 38: Chapter Summary
29. Module 30: Quiz
30. Module 30: Practical Skills Report
1. Module 30 Test
1. Module 31: Overview
2. Unit 40: Textbook Reading
3. Unit 40.1: Mechanical Operating Conditions
4. Unit 40.1: Knowledge Checks
5. Unit 40.2: Relationships of System Components Under Load Changes
6. Unit 40.2: Knowledge Checks
7. Unit 40.3: Evaporator Operating Conditions
8. Unit 40.3: Knowledge Checks
9. Unit 40.4: High Evaporator Load & Cool Condenser
10. Unit 40.4: Knowledge Checks
11. Unit 40.5: Grades of Equipment
12. Unit 40.5: Knowledge Checks
13. Unit 40.6: Documentation With the Unit
14. Unit 40.6: Knowledge Checks
15. Unit 40.7: Establishing a Reference Point on Unknown Equipment
16. Unit 40.7: Knowledge Checks
17. Unit 40.8: System Pressures & Temperatures at Different Operating Conditions
18. Unit 40.8: Knowledge Checks
19. Unit 40.9: Equipment Efficiency Ratings
20. Unit 40.9: Knowledge Checks
21. Unit 40.10: Typical Electrical Operating Conditions
22. Unit 40.10: Knowledge Checks
23. Unit 40.11: Matching the Unit to the Correct Power Supply
24. Unit 40.11: Knowledge Checks
25. Unit 40.12: Starting the Equipment with the Correct Data
26. Unit 40.12: Knowledge Checks
27. Unit 40.13: Finding a Point of Reference fo an Unknown Motor Rating
28. Unit 40.13: Knowledge Checks
29. Unit 40.14: Determining the Compressor Running Amperage
30. Unit 40.14: Knowledge Checks
31. Unit 40.15: Compressors Operating at Full Load Current
32. Unit 40.15: Knowledge Checks
33. Unit 40.16: Two-Speed & Variable Speed Compressors
34. Unit 40.16: Knowledge Checks
35. Unit 40: Textbook Assignment
36. Unit 40: Chapter Summary
37. Module 31: Quiz
38. Module 31: Practical Skills Report
1. Module 31: Test
1. Module 32: Overview
2. Unit 41: Textbook Reading
3. Unit 41.1: Introduction to Heat Gain & Heat Loss
4. Unit 41.1: Knowledge Checks
5. Unit 41.2: Mechanical Troubleshooting
6. Unit 41.2: Knowledge Checks
7. Unit 41.3: Temperature Difference, Temperature Split, and Approach Temperature
8. Unit 41.3: Knowledge Checks
9. Unit 41.4: Gauge Manifold Usage
10. Unit 41.4: Knowledge Checks
11. Unit 41.5: When to Connect the Gauges
12. Unit 41.5: Knowledge Checks
13. Unit 41.6: Low Side Gauge Readings
14. Unit 41.6: Knowledge Checks
15. Unit 41.7: High Side Gauge Readings
16. Unti 41.7: Knowledge Checks
17. Unit 41.8 Part 1: Temperature Readings
18. Unit 41.8 Part 2: Temperature Readings (Continued)
19. Unit 41.8: Knowledge Checks
20. Unit 41.9: Charging Procedures in the Field
21. Unit 41.9: Knowledge Checks
22. Unit 41.10: Electrical Troubleshooting
23. Unit 41.10: Knowledge Checks
24. Unit 41.11: Compressor Overload Problems
25. Unit 41.11: Knowledge Checks
26. Unit 41.12 Part 1: Compressor Electrical Checkup
27. Unit 41.12 Part 2: Compressor Electrical Checkup
28. Unit 41.12: Knowledge Checks
29. Unit 41.13: Troubleshooting the Circuit Electrical Protectors - Fuses and Breakers
30. Unit 41.13: Knowledge Checks
31. Unit 41.14: Diagnostic Chart for Air Conditioning Systems (Cooling)
32. Unit 41.14: Knowledge Checks
33. Unit 41.15: Service Technician Calls
34. Unit 41.15: Knowledge Checks
35. Unit 41: Textbook Assignment
36. Unit 41: Chapter Summary
37. Module 32: Quiz
38. Module 32: Practical Skills Report
1. Module 32: Test
1. Module 33: Overview
2. Unit 42: Textbook Reading
3. Unit 42.1: Introduction to Heat Gain & Heat Loss
4. Unit 42.1: Knowledge Checks
5. Unit 42.2: Methods to Determine the Heat Gain and Heat Loss of a Structure
6. Unit 42.2: Knowledge Checks
7. Unit 42.3: Indoor and Outdoor Design Conditions for Heating and Cooling
8. Unit 42.3: Knowledge Checks
9. Unit 42.4: U-Values & R-Values
10. Unit 42.4: Knowledge Checks
11. Unit 42.5: Introduction to Heat Gain & Heat Loss Calculations
12. Unit 42.5: Knowledge Checks
13. Unit 42.6.1: Elements of Structural Heat Loss (Heating Mode), Walls, Windows & Doors
14. Unit 42.6.2: Elements of Structural Heat Loss (Heating Mode) Ceilings and Floors
15. 42.6.3: Elements of Structural Heat Loss (Heating Mode) Infiltration, Duct Loss, & Total Heating Output
16. Unit 42.6: Knowledge Checks
17. Unit 42.7.1: Elements of Structural Heat Gain (Cooling Mode) Walls, Doors, Ceilings, and Windows
18. Unit 42.7.2: Elements of Structural Heat Gain (Cooling Mode) Internal Heat Gain, Infiltration, & Ductwork
19. Unit 42.7: Knowledge Checks
20. Unit 42: Textbook Assignment
21. Unit 42: Chapter Summary
22. Module 33: Quiz
23. Module 33: Practical Skills Report
1. Module 33: Test
1. Module 34: Overview
2. Unit 43: Textbook Reading
3. Unit 43.0: Air Source Heat Pumps Safety Tips!
4. Unit 43.0: Knowledge Checks
5. Unit 43.1: Reverse Cycle Refrigeration
6. Unit 43.1: Knowledge Checks
7. Unit 43.2: Heat Sources for Winter
8. Unit 43.2: Knowledge Checks
9. Unit 43.3:The Four-Way Reversing Valve
10. Unit 43.3: Knowledge Checks
11. Unit 43.4: The Air-to-Air Heat Pump
12. Unit 43.4: Knowledge Checks
13. Unit 43.5: Refrigerant Line Identification
14. Unit 43.5: Knowledge Checks
15. Unit 43.6: Metering Devices in Heat Pump Applications
16. Unit 43.6: Knowledge Checks
17. Unit 43.7: Liquid-Line Accessories
18. Unit 43.7: Knowledge Checks
19. Unit 43.8: Application of the Air-to-Air Heat Pump
20. Unit 43.8: Knowledge Checks
21. Unit 43.9: Coeffiecient of Performance
22. Unit 43.9: Knowledge Checks
23. Unit 43.10: The Split-Type Air-to-Air Heat Pump
24. Unit 43.10: Knowledge Checks
25. Unit 43.11: The Package Air-to-Air Heat Pump
26. Unit 43.11: Knowledge Checks
27. Unit 43.12 Part 1: Controls for the Air-to-Air Heat Pump
28. Unit 43.12 Part 2: Controls for the Air-to-Air Heat Pump (Continued)
29. Unit 43.12: Knowledge Checks
30. Unit 43.13: The Defrost Cycle Part 1
31. Unit 43.13: The Defrost Cycle Part 2
32. Unit 43.13: Knowledge Checks
33. Unit 43.14: Second-Stage Electric Heat
34. Unit 43.14: Knowledge Checks
35. Unit 43.15: Servicing the Air-to-Air Heat Pump
36. Unit 43.15: Knowledge Checks
37. Unit 43.16: Troubleshooting the Electrical System
38. Unit 43.16: Knowledge Checks
39. Unit 43.17: Troubleshooting Mechanical Problems
40. Unit 43.17: Knowledge Checks
41. Unit 43.18: Troubleshooting the Four-Way Reversing Valve
42. Unit 43.18: Knowledge Checks
43. Unit 43.19: Troubleshooting the Compressor
44. Unit 43.19: Knowledge Checks
45. Unit 43.20: Checking the Charge
46. Unit 43.20: Knowledge Checks
47. Unit 43.21: Special Application for Heat Pumps
48. Unit 43.21: Knowledge Checks
49. Unit 43.22: Heat Pumps Using Scroll Compressors
50. Unit 43.22: Knowledge Checks
51. Unit 43.23: Heat Pump Systems With Variable Speed Motors
52. Unit 43.23: Knowledge Checks
53. Unit 43.24: Preventative Maintenance
54. Unit 43.24: Knowledge Checks
55. Unit 43.25: Diagnostic Chart for Heat Pumps in the Heating Mode
56. Unit 43.25: Knowledge Checks
57. Unit 43: Chapter Summary
58. Unit 43: Textbook Assignment
59. Module 34: Quiz
60. Module 34: Practical Skills Report
1. Module 34: Test
1. Module 35: Overview
2. Unit 44: Textbook Reading
3. Unit 44.1: Reverse Cycle Refrigeration
4. Unit 44.1: Knowledge Checks
5. Units 44.2-44.3: Geothermal Heat Pump Classifications and Open Loop Systems
6. Units 44.2 - 44.3: Knowledge Checks
7. Unit 44.4: Water Quality
8. Unit 44.4: Knowledge Checks
9. Unit 44.5: Closed Loop System
10. Unit 44.5: Knowledge Checks
11. Units 44.6 - 44.7: Ground Loop Configurations, Flows and System Materials
12. Units 44.6 - 44.7: Knowledge Checks
13. Unit 44.8: Geothermal Wells & Water Sources for Open Loop Systems
14. Unit 44.8: Knowledge Checks
15. Unit 44.9: Water-to-Water Heat Pumps
16. Unit 44.9: Knowledge Checks
17. Unit 44.10: Troubleshooting
18. Unit 44.10: Knowledge Checks
19. Unit 44.11: Direct Geothermal Heat Pump Systems
20. Unit 44.11: Knowledge Checks
21. Unit 44: Chapter Summary
22. Unit 44: Geothermal Installation
23. Unit 44: Textbook Assignment
24. Module 35 Quiz
25. Module 35: Practical Skills Report
1. Module 35: Test
1. Module 36: Overview
2. Unit 50: Textbook Reading
3. Unit 50.1: Rooftop Package Units
4. Unit 50.1: Knowledge Checks
5. Unit 50.2: Installation of RTUs
6. Unit 50.2: Knowledge Checks
7. Unit 50.3: Economizers
8. Unit 50.3: Knowledge Checks
9. Unit 50.4: Economizer Modes of Operation
10. Unit 50.4: Knowledge Checks
11. Unit 50.5: ASHRAE Standard 62
12. Unit 50.5: Knowledge Checks
13. Unit 50.6: Demand Control Ventilation
14. Unit 50.6: Knowledge Checks
15. Unit 50.7: Traditional Constant-Volume Air Distribution Methods
16. Unit 50.7: Knowledge Checks
17. Unit 50.8: Variable Air-Volume Systems
18. Unit 50.8: Knowledge Checks
19. Unit 50.9: VAV Boxes and Terminal Units
20. Unit 50.9: Knowledge Checks
21. Unit 50.10: Hot Water in the Reheat Coils
22. Unit 50.10: Knowledge Checks
23. Unit 50.11: Chilled Water VAV Systems
24. Unit 50.11: Knowledge Checks
25. Unit 50.12: Variable Refrigerant Flow Systems (VFR)
26. Unit 50.12: Knowledge Checks
27. Unit 50.13: Dry Coolers
28. Unit 50.13: Knowledge Checks
29. Unit 50.14: Chilled Beam Systems
30. Unit 50.14: Knowledge Checks
31. Unit 50 Chapter Summary
32. Unit 50: Textbook Assignment
33. Module 36: Quiz
34. Module 36: Practical Skills Report
1. Module 36: Test

About this course

$3,500.00
427 lessons
27.5 hours of video content

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Gateway to Industry Year 3

Course curriculum

Contact Information

Orientation Module

Module 25: Electric Heat (Unit 30)

Module 25: Test

Module 26: Gas Heat 1 (Unit 31 Part 1)

Module 26 Test

Module 27: Gas Heat 2 (Unit 31 Part 2)

Module 27: Test

Module 28: Indoor Air Quality (Unit 34)

Module 28 Test

Module 29: Air Distribution and Balance (Unit 37)

Module 29: Test

Module 30: Installation (Unit 38)

Module 30: Test

Module 31: Typical Operating Conditions (Unit 40)

Module 31: Test

Module 32: Troubleshooting (Unit 41)

Module 32: Test

Module 33: Heat Gains and Heat Losses in Structures (Unit 42)

Module 33: Test

Module 34: Air Source Heat Pumps (Unit 43)

Module 34: Test

Module 35: Geothermal Heat Pumps (Unit 44)

Module 35: Test

Module 36: Commercial, Package Rooftop, Variable Refrigerant Flow, and Variable Air Volume Systems (Unit 50)

Module 36: Test

About this course

Discover your potential, starting today