Gas Trade Unit 24: Heat Loss/Heat Gain & Air Handling Units

TSSA G2 Certification - Practice Questions & Chapter Reviews

📋 Certification Level: TSSA G2 (Gas Technician 2 - Intermediate)
⚠️ Prerequisites: G3 Certification + 2 Years (4,000 hours) Experience

Master Gas Trade Unit 24 with free CSA B149.1-25 compliant practice questions for the TSSA G2 certification exam. This final G2 unit covers heat loss and heat gain calculations, plus air handling unit operation - completing your G2 intermediate certification curriculum.

📖 What This Unit Covers

Gas Trade Unit 24 focuses on load calculations and air handling equipment:

  • Chapter 1: Heat Loss/Heat Gain - Load calculation procedures
  • Chapter 2: Air Handling Units - AHU components and operation

🎯 TSSA G2 Exam Relevance

CSA Code Reference: CSA B149.1-25 Section 9 (Appliance Sizing Requirements)

Exam Coverage: Heat loss/gain and AHU topics appear in approximately 12-16% of G2 exam questions.

💡 Study Tips for Unit 24

  • Master heat loss calculation methods and formulas
  • Understand heat gain calculations for cooling loads
  • Learn air handling unit components and configurations
  • Study appliance sizing based on calculated loads
  • Review insulation values and building envelope factors

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Complete G2 Curriculum - View All Units

You've completed Unit 24 - the final G2 unit! Review all units to prepare for the G2 exam.

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📚 Additional G2 Study Resources

⚠️ Educational Resource Disclaimer: This practice test is an independent educational resource designed to help students prepare for the TSSA G2 certification exam. These materials are based on CSA B149.1-25 requirements but are not official TSSA materials. G2 certification requires G3 prerequisite plus 2 years (4,000 hours) documented experience. Always refer to the official CSA B149.1-25 code and current TSSA guidelines for authoritative information. LARK Labs is not affiliated with TSSA or CSA Group.