100+ Free AZ HVAC Practice Questions

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Which Arizona state agency administers HVAC contractor licensing?

Arizona Department of Environmental Quality

Arizona Registrar of Contractors (ROC)

Arizona Corporation Commission

Arizona Department of Revenue

to track

2026 Statistics

Key Facts: AZ HVAC Exam

$66+$54

Total Exam Fees

AZ ROC

70%

Passing Score

AZ ROC

4 years

Experience Required

AZ ROC

$4,250+

Surety Bond (Residential)

AZ ROC

3 Types

License Classifications

AZ ROC

100 Q

Practice Questions Available

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Sample AZ HVAC Practice Questions

Try these sample questions to test your AZ HVAC exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1Which Arizona state agency administers HVAC contractor licensing?

A.Arizona Department of Environmental Quality

B.Arizona Registrar of Contractors (ROC)

C.Arizona Corporation Commission

D.Arizona Department of Revenue

Explanation: The Arizona Registrar of Contractors (ROC) administers all contractor licensing in Arizona, including HVAC licenses. The ROC oversees licensing, bonding, complaint resolution, and disciplinary actions for contractors.

2What are the three main HVAC license classifications offered by the Arizona ROC?

A.Class A, B, and C

B.R-39 (residential), C-39 (commercial), and CR-39 (dual)

C.Types I, II, and III

D.Gold, Silver, and Bronze

Explanation: Arizona offers three main HVAC license types: R-39 for residential air conditioning and refrigeration, C-39 for commercial, and CR-39 for both residential and commercial (dual). Each requires passing the trade exam and the AZ Statutes and Rules course.

3How many years of practical experience are required for an Arizona HVAC contractor license?

A.2 years

B.3 years

C.4 years

D.6 years

Explanation: Arizona requires at least 4 years of practical experience for an HVAC contractor license. Up to 2 years can come from a formal apprenticeship program, with the remaining years in hands-on installation, maintenance, or repair work.

4What is the Arizona trade exam fee paid to PSI?

A.$35

B.$54

C.$66

D.$100

Explanation: The Arizona trade-specific exam fee paid to PSI is $66. Additionally, the Arizona Statutes and Rules Training Course and Exam through GMetrix costs $54, for a total exam cost of $120.

5What is the minimum passing score for the Arizona ROC HVAC contractor exam?

A.60%

B.65%

C.70%

D.75%

Explanation: The minimum passing score for the Arizona ROC HVAC contractor trade exam is 70%. Both the trade exam and the Arizona Statutes and Rules exam must be passed to obtain licensure.

6What bond amount is required for a residential HVAC contractor (R-39) in Arizona with projected gross revenue under $375,000?

A.$2,500

B.$4,250

C.$7,500

D.$10,000

Explanation: Arizona residential specialty contractors (R-39) with expected gross revenue under $375,000 require a surety bond of $4,250. Those with revenue exceeding $375,000 require a $7,500 bond. Commercial contractors have different bond requirements.

7What is the R-39 license fee in Arizona?

A.$200

B.$400

C.$580

D.$720

Explanation: The Arizona R-39 (residential air conditioning and refrigeration) license fee is $720. The C-39 (commercial) license fee is $580. These fees are paid to the ROC upon approval of the license application.

8In Arizona's desert climate, what outdoor design temperature is used for cooling load calculations in Phoenix?

A.95°F

B.100°F

C.108°F

D.120°F

Explanation: The ASHRAE 1% cooling design temperature for Phoenix, Arizona is approximately 108°F. This extreme design temperature significantly impacts equipment sizing, ductwork design, and energy efficiency requirements for HVAC systems.

9What unique challenge does Arizona's desert climate present for HVAC system design compared to humid climates?

A.Extremely high latent cooling loads

B.Very low latent loads but extremely high sensible cooling loads requiring special equipment sizing considerations

C.Excessive wind damage to equipment

D.Frequent flooding of outdoor equipment

Explanation: Arizona's dry desert climate produces very low latent (moisture) loads but extremely high sensible (temperature) cooling loads due to 108°F+ design temperatures. Systems must be sized for the huge temperature differential while avoiding oversizing for the minimal humidity removal needed.

10Does Arizona require continuing education for HVAC contractor license renewal?

A.Yes, 16 hours annually

B.Yes, 8 hours every 2 years

C.No, Arizona does not require CE for license renewal

D.Yes, 24 hours every 3 years

Explanation: Arizona does not require continuing education for HVAC contractor license renewal. However, contractors must complete the Statutes and Rules Training update if regulations change significantly. License renewal includes payment of fees and maintaining the required bond.

About the AZ HVAC Exam

The Arizona HVAC contractor exam covers trade knowledge for air conditioning and refrigeration systems and the AZ Statutes and Rules Training Course and Exam. License classifications include R-39 (residential), C-39 (commercial), and CR-39 (dual). Four years of experience are required.

Questions

80 scored questions

Time Limit

4 hours

Passing Score

70%

Exam Fee

$66 (trade exam) + $54 (AZ Statutes & Rules) (Arizona Registrar of Contractors (ROC))

AZ HVAC Exam Content Outline

25%

AZ Statutes & Regulations

ROC licensing, contractor classifications R-39/C-39/CR-39, bond requirements, and Arizona contractor law

25%

Air Conditioning & Refrigeration

Cooling system design, refrigerant handling, load calculations for Arizona's desert climate, and equipment selection

20%

Mechanical Codes & Installation

International Mechanical Code, ductwork design, piping, electrical connections, and energy code compliance

15%

Safety & EPA Regulations

OSHA heat illness prevention, EPA Section 608, fall protection, and electrical safety

15%

Business Management

ROC bonding, insurance, contracts, customer complaints process, and Arizona business law

How to Pass the AZ HVAC Exam

What You Need to Know

Passing score: 70%
Exam length: 80 questions
Time limit: 4 hours
Exam fee: $66 (trade exam) + $54 (AZ Statutes & Rules)

Keys to Passing

Complete 500+ practice questions
Score 80%+ consistently before scheduling
Focus on highest-weighted sections
Use our AI tutor for tough concepts

AZ HVAC Study Tips from Top Performers

1Focus on Arizona-specific ROC regulations including license classifications (R-39, C-39, CR-39), bond requirements, and the complaint resolution process

2Master cooling load calculations for Arizona's extreme desert climate with 110°F+ design temperatures and very low humidity

3Study OSHA heat illness prevention standards — Arizona's extreme heat makes this a critical safety topic for outdoor HVAC work

4Understand the differences between residential (R-39) and commercial (C-39) scope of work and when a dual license (CR-39) is needed

5Review energy efficiency requirements including SEER2 minimums for Arizona's Southwest climate region

Frequently Asked Questions

What are the Arizona HVAC license classifications?

Arizona offers three main HVAC license types: R-39 (residential), C-39 (commercial), and CR-39 (residential and commercial dual). Each requires passing the trade exam and the AZ Statutes and Rules course.

How much experience do I need for an Arizona HVAC license?

You need at least 4 years of practical HVAC experience. Up to 2 years can come from a formal apprenticeship program, with the remaining years in hands-on installation, maintenance, or repair work.

What bond is required for Arizona HVAC contractors?

Bond amounts vary based on license type and projected annual revenue. Residential contractors need $4,250-$7,500, while commercial contractors need $2,500-$50,000.

How much does the Arizona HVAC contractor license cost?

The trade exam is $66 (PSI), the Statutes and Rules course/exam is $54 (GMetrix), and the license fee is $580 (C-39) or $720 (R-39). Total initial costs range from $700-$840 plus bond premium.

Does Arizona require continuing education for HVAC contractors?

Arizona does not require continuing education for license renewal, but contractors must complete the Statutes and Rules Training update if regulations change significantly.