Introduction to HVAC

















© Neil Orme
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Flash Cards and Quizzes

  1. Flash Cards
  2. Take a Quiz
  3. A Diagram to Test Your Basic HVAC Knowledge
  4. Play HVAC-Hangman (Word Association)

50A - Introduction

  1. 1st-Day Info
  2. Class Syllabus
  3. Class Guidelines
  4. How to Get the Most From This Class
  5. Best Way to Study for a Test
  6. A Short History of Refrigeration
  7. Overall View of a Residential Split System
  8. Basic Cooling Cycle
  9. 7-Part System
  10. Basic Definitions

  11. The Four States of Matter
  12. The 3 Types of Heat Transfer
  13. Humidity vs Comfort
  14. Temperature

    1. Change Calculations for Water
    2. Change Examples for Water
    3. Conversions
    4. Conversion Examples
  15. A Ton of Refrigeration
  16. The Energy Code
  17. Measures of Efficiency (EER SEER COP HSPF)
  18. Sensible vs Latent Heat
  19. Enthalpy
  20. High Efficiency Gas Furnace
  21. Gauge vs Absolute Pressure
  22. How AC Works VIDEO
  23. System Types

    1. 19-Part - One Compressor with Multiple Evaporators

    2. Cascade - Evap A cools Cond B
    3. Compound - Compressors in Series
    4. Modulating - Compressors in Parallel
  24. Compressors in General
  25. Slugging Redefined
  26. Compression Ratio
  27. Reciprocating Compressor Components
  28. Reed Valves
  29. Compressor Drawings

  30. Cap Tube Expansion Valve
  31. Automatic Expansion Valve
  32. TXV - Thermostatic Expansion Valve

  33. Low Side Float
  34. High Side Float
  35. VIDEO - Refrigerant Control Devices
  36. Refrigerants

  37. Tecumseh Guidelines for Using R407c
  38. Saturation Pressure-Temperature
  39. Subcooling
  40. Superheat
  41. Troubleshooting

  42. EPA Certification
  43. HVAC Badges (Video)
  44. Commercial Images (Video)