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AR HVAC study guide

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Lessons

  1. Dual-Fuel & Geothermal Heat Pump Systems
  2. Air-Source Heat Pumps & The Reversing Valve
  3. Residential & Commercial Split Systems and P
  4. Supplemental & Emergency Heating Systems
  5. Supply & Return Air Distribution Hardware
  6. System Airflow Testing, Adjusting & Balancin
  7. Ventilation Standards: ASHRAE 62.1, 62.2 & 2
  8. License Classifications & Capacity Limitatio
  9. Registrant Requirements, Apprenticeship & Ex
  10. License Renewal, Continuing Education & Disc
  11. AR HVAC/R Board Authority, Statutes & Defini
  12. Condensate Disposal, Piping Support & Mechan
  13. Fuel Gas Piping Materials, Sizing & Pressure
  14. Gas Regulators, Manifold Pressure & Gas Mete
  15. Hydronic Heating Systems, Low-Pressure Boile
  16. Hydronic Distribution, Circulator Pumps & Pi
  17. Duct Fittings, Equivalent Length & Dynamic L
  18. Equal Friction & Static Regain Duct Sizing M
  19. ACCA Manual D Airflow Fundamentals & Externa
  20. SMACNA Duct Construction Standards & Joint S
  21. Low-Voltage Control Circuits & Thermostats
  22. Single-Phase & Three-Phase Electric Motors i
  23. HVAC Electrical Fundamentals, Ohm's Law & Po
  24. Combustion Air Requirements — Free Study Guide 2026
  25. Flue Gas Venting & Category I-IV Venting Sys
  26. Gas Burners, Ignition Systems & Flame Safegu
  27. Gas Furnace Types, AFUE Ratings & Sequence o
  28. Peak Cooling Load Calculations: Sensible vs.
  29. Heating Load Calculations & Infiltration Rat
  30. ACCA Manual J Design Conditions & Thermal En
  31. ACCA Manual S Equipment Selection & Verifica
  32. Gas Laws Applied to HVAC/R Systems — Free Study Guide 2026
  33. Principles of Heat Transfer & Thermodynamic
  34. Psychrometric Chart Dynamics & Air Propertie
  35. Psychrometric Processes & Air Mixture Calcul
  36. Airflow & Refrigerant Charge Diagnostics
  37. Jobsite Safety, OSHA Standards & Personal Pr
  38. Systematic Mechanical & Electrical Troublesh
  39. Compressors & Operating Characteristics
  40. Condensers & Evaporators — Free Study Guide 2026
  41. Metering Devices & Refrigerant Flow Controls
  42. Refrigerant Line Sizing, Oil Return & Field
  43. The Vapor-Compression Refrigeration Cycle
  44. Equipment Disconnecting Means & Overcurrent
  45. Motor Branch Circuit Sizing & Conductor Ampa
  46. NEC Article 440: Hermetic Refrigerant Motor-
  47. Material, Labor & Bid Estimating — Free Study Guide 2026
  48. Applied HVAC/R Trade Math & Unit Conversions
  49. Mechanical Plan Symbols, Schedules & Abbrevi
  50. Architectural Scales, Dimensions & Quantity
  51. EPA Section 608 Regulatory Mandates & Recove
  52. System Evacuation, Dehydration & Leak Detect
  53. Lubricating Oils & System Compatibility
  54. Refrigerant Chemistry, ASHRAE Standard 34 &