Free Practice Questions for TX HVAC Contractor
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Key Facts: TX HVAC Contractor Exam
25 tons
Class B Limit
TDLR
70%
Passing Score
TDLR
120
Class A Qs
3-hr limit
48 mo
Experience
Within 72 mo
$300K/$600K
Class A Insurance
TDLR
$115
Application Fee
Annual
Sample TX HVAC Contractor Practice Questions
Try these sample questions to review concepts for the TX HVAC Contractor exam. Each question includes a detailed explanation. Start the interactive quiz above for the full 170+ question experience with AI tutoring.
1Which Texas state agency regulates air conditioning and refrigeration contractors?
2What are the two classes of Texas ACR contractor licenses?
3What is the capacity limitation for a Texas Class B license?
4How many months of experience does Texas require for an ACR contractor license?
5What alternative experience pathway exists for the Texas ACR license?
6How many questions on the Texas Class A Environmental Air contractor exam?
7What is the passing score for Texas ACR exams?
8What is the Class A exam fee?
9What is the license application fee?
10What insurance does Class A require?
About the TX HVAC Contractor Exam
Texas ACR contractor licensing covering Class A (unlimited) and Class B (25 tons and under), TDLR regulations, trade knowledge for Texas heat, and EPA compliance.
Exam sponsor: Texas Department of Licensing and Regulation (TDLR). The requirements and fees below concern the certification or admission exam, separate from our free practice resources.
Questions
120 questions
Time Limit
3 hours
Passing Score
70%
Fees, eligibility, and exam policies can change. Confirm them with the exam sponsor before applying or paying.
Our practice resources: topics covered
We aim to reflect publicly available exam outlines and topic information in our study resources. Coverage, format, and difficulty may differ from the actual exam, and we cannot guarantee that every detail is accurate or current. Confirm exam requirements, fees, and policies with the official exam sponsor.
State Laws & TDLR
Class A/B licensing, experience, insurance, enforcement, technician registration
Trade Knowledge
Load calculations, refrigerant handling, ductwork, diagnostics
Mechanical Codes
IMC locally adopted, energy code, venting, clearances, condensate
Safety
EPA 608, OSHA, fall protection, A2L refrigerants, lockout/tagout
Business
Contracts, advertising, warranties, utility rebates
Preparing for the TX HVAC Contractor Exam
What You Need to Know
- Passing score: 70%
- Exam length: 120 questions
- Time limit: 3 hours
- Exam / certification fees: $75 (A) / $60 (B) + $115 application Official sources
Using Our Practice Resources
- Work through all 170 available questions
- Review every answer and explanation
- Track weak areas and revisit them
- Use our AI tutor for tough concepts
TX HVAC Contractor: Suggested Study Strategy
Frequently Asked Questions
Difference between Class A and B?
Class A: unlimited. Class B: cooling 25 tons and under, heating 1.5M BTU/hr and under. Insurance: A=$300K/$600K, B=$100K/$200K.
Experience needed?
48 months under licensed contractor within 72 months. Or 36 months with technician cert for 12 months.
Exam details?
Class A: 120 Qs, 3 hrs. Class B: 100 Qs, 3 hrs. Both: 70% to pass.