KENTUCKY HVAC LICENSING EXAMINATION PRACTICE TEST QUESTIONS AND CORRECT
ANSWERS (VERIFIED ANSWERS) PLUS RATIONALES 2026 Q&A |STUDY GUIDE| INSTANT
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Core Domains
- HVAC Principles, Terminology, Administration, and Safety (16%)
- HVAC Installation Requirements (14%)
- Venting, Duct, and Combustion Air (18%)
- Gas Piping (8%)
- HVAC Electrical (13%)
- Boilers, Exhaust Systems, and Fire Protection (11%)
- Plan Analysis (20%)
- Refrigeration and Air Conditioning Technology (applies across domains)
Introduction
, This practice test is designed to prepare candidates for the Kentucky Master HVAC Licensing Examination
(Exam 595). The exam assesses essential skills and knowledge required for professional HVAC licensure in
Kentucky, including system design oversight, installation compliance, safety protocols, and code adherence.
The test consists of multiple-choice questions with scenario-based elements that emphasize real-world
application and critical decision-making in residential and commercial HVAC settings. Candidates must
demonstrate competency across seven core domains based on the 2015 International Mechanical Code, NFPA
standards, and Refrigeration and Air Conditioning Technology textbooks. Success requires understanding
both foundational theory and applied professional knowledge, with emphasis on regulatory compliance,
ethics, and professional standards. This practice assessment mirrors the actual exam structure to build
confidence and readiness for licensure.
SECTION ONE: QUESTIONS 1–100
Question 1
According to the 2015 International Mechanical Code, what is the minimum clearance required between a gas
appliance and combustible material when no specific manufacturer clearance is provided?
A. 6 inches
B. 12 inches
C. 18 inches
D. 24 inches
🟢 Correct answer
ANSWERS (VERIFIED ANSWERS) PLUS RATIONALES 2026 Q&A |STUDY GUIDE| INSTANT
DOWNLOAD PDF
Core Domains
- HVAC Principles, Terminology, Administration, and Safety (16%)
- HVAC Installation Requirements (14%)
- Venting, Duct, and Combustion Air (18%)
- Gas Piping (8%)
- HVAC Electrical (13%)
- Boilers, Exhaust Systems, and Fire Protection (11%)
- Plan Analysis (20%)
- Refrigeration and Air Conditioning Technology (applies across domains)
Introduction
, This practice test is designed to prepare candidates for the Kentucky Master HVAC Licensing Examination
(Exam 595). The exam assesses essential skills and knowledge required for professional HVAC licensure in
Kentucky, including system design oversight, installation compliance, safety protocols, and code adherence.
The test consists of multiple-choice questions with scenario-based elements that emphasize real-world
application and critical decision-making in residential and commercial HVAC settings. Candidates must
demonstrate competency across seven core domains based on the 2015 International Mechanical Code, NFPA
standards, and Refrigeration and Air Conditioning Technology textbooks. Success requires understanding
both foundational theory and applied professional knowledge, with emphasis on regulatory compliance,
ethics, and professional standards. This practice assessment mirrors the actual exam structure to build
confidence and readiness for licensure.
SECTION ONE: QUESTIONS 1–100
Question 1
According to the 2015 International Mechanical Code, what is the minimum clearance required between a gas
appliance and combustible material when no specific manufacturer clearance is provided?
A. 6 inches
B. 12 inches
C. 18 inches
D. 24 inches
🟢 Correct answer
