Free TX HVAC Contractor Exam Prep
Texas Air Conditioning and Refrigeration Contractor License Exam
Prepare for the TX HVAC Contractor exam without spending hundreds on expensive prep courses. Free study guides, practice questions, flashcards, and related exam resources.
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Free TX HVAC Contractor Prep Tools
100 Practice Questions
TX-specific on TDLR Class A/B, trade knowledge, EPA compliance
AI-Powered Learning
Contextual hints and wrong-answer explanations
2026 Updated
Current TDLR rules, insurance, AIM Act changes
Free Access
All 100 questions free — no account required
What You'll Study
12 chapters covering the exam topics in this guide
Introduction & Exam Overview
2 sections
Chapter 1: Texas Licensing Laws & TDLR Regulations
3 sections
Chapter 2: Thermodynamics & Core HVAC Principles
3 sections
Chapter 3: Load Calculations & System Sizing (Manual J, S, D)
3 sections
Chapter 4: Refrigerants, EPA Section 608 & Low-GWP A2L Transition
3 sections
Chapter 5: Refrigeration Cycle & Core System Components
4 sections
Chapter 6: Air Distribution, Ductwork & Indoor Air Quality
4 sections
Chapter 7: Heating Systems, Gas Controls & Venting
5 sections
Chapter 8: Electrical Systems, Controls & Troubleshooting
4 sections
Chapter 9: Mechanical Codes & Texas Local Standards (IMC, IFGC & UMC)
5 sections
Chapter 10: Commercial Refrigeration & Process Cooling Systems
3 sections
Chapter 11: Jobsite Safety, OSHA Compliance & Business Practice
4 sections
TX HVAC Contractor Exam Details
Texas Air Conditioning and Refrigeration Contractor License Exam
Administered by Texas Department of Licensing and Regulation (TDLR)
What's Included
12 Chapters
Complete exam coverage
Practice Quizzes
With detailed explanations
Free to Start
No credit card required
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