Page 1 of 41
WISCONSIN UDC HVAC INSPECTOR PORTION EXAM
PRACTICE TEST 2026/2027 COMPLETE (100) CURRENT
TESTING QUESTIONS AND CORRECT ANSWERS WITH
DETAILED RATIONALES.
HVAC
Prepare for the Wisconsin UDC HVAC Inspector Portion Exam Practice with a focused
study resource designed to reinforce essential HVAC inspection and code-compliance
concepts. It supports review of heating, ventilation, air-conditioning systems,
equipment installation, combustion and venting, ductwork, energy requirements,
safety, and Wisconsin UDC provisions. Use the material to strengthen code
application, improve inspection judgment, and identify areas that may require
additional review before the examination. This resource is best suited for Wisconsin
UDC HVAC Inspector candidates, HVAC professionals, building officials, code
enforcement personnel, and residential construction inspectors preparing for the
HVAC portion of certification.
MULTIPLE CHOICE.
SECTION 1: ADMINISTRATION & ENFORCEMENT (SPS 305)
1. Which Wisconsin Administrative Code section establishes general
provisions for certification and regulation of HVAC inspectors?
• A) SPS 305
• B) SPS 320
• C) SPS 322
• D) SPS 365
Answer: A) SPS 305
Rationale: SPS 305 outlines the general building, heating, ventilating, and
air conditioning provisions, including certification and regulation of
inspectors. SPS 320 covers administration of the UDC, SPS 322 covers
energy conservation, and SPS 365 is not part of the UDC.
, Page 2 of 41
2. Under SPS 305.63, no person may conduct the inspection of one- and
two-family dwellings for the purpose of administering and enforcing Wis.
Admin. Code ch. SPS 323 unless the person holds what?
• A) A valid driver's license
• B) A contractor's license
• C) A certification as a UDC HVAC Inspector issued by the Department
• D) A building permit
Answer: C) A certification as a UDC HVAC Inspector issued by the
Department
Rationale: Per Wis. Admin. Code § SPS 305.63, no person may conduct the
inspection of one- and two-family dwellings for the purpose of
administering and enforcing Wis. Admin. Code ch. SPS 323 unless the
person holds a certification issued by the Department as a certified UDC
HVAC Inspector.
3. What is the primary purpose of an HVAC inspection under the
Wisconsin UDC?
• A) Increase construction costs
• B) Ensure compliance with applicable codes and safety standards
• C) Improve property value only
• D) Reduce permit fees
Answer: B) Ensure compliance with applicable codes and safety
standards
Rationale: HVAC inspections verify that installations comply with
adopted codes, protecting occupants from fire, electrical, mechanical,
and health hazards.
4. A certified UDC HVAC Inspector is responsible for which of the
following?
, Page 3 of 41
• A) Designing HVAC systems for new buildings
• B) Maintaining inspection records and providing reports to property
owners
• C) Installing HVAC equipment
• D) Approving building permits for commercial structures
Answer: B) Maintaining inspection records and providing reports to
property owners
Rationale: A certified UDC HVAC inspector is responsible for conducting
inspections, maintaining records, and providing reports to property
owners, ensuring compliance with codes.
5. According to SPS 305.63, a person who inspects one- and two-family
dwellings as a certified UDC HVAC Inspector shall: (Select all that apply.)
• A) Maintain a record of inspections including dates and findings
• B) Provide a copy of the inspection report to the property owner
• C) Make inspection records available to the Department upon request
• D) Approve all HVAC system designs before installation
Answer: A, B, C
Rationale: Per SPS 305.63, a certified UDC HVAC Inspector shall maintain
a record of inspections, provide copies of inspection reports to property
owners, and make records available to the Department upon request.
They do not approve system designs—that is the responsibility of the
designer or engineer.
6. The UDC HVAC Inspector exam is an open book exam. What is the
passing score?
• A) 60%
• B) 70%
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• C) 75%
• D) 80%
Answer: B) 70%
Rationale: The UDC HVAC Inspector exam is open book, and the passing
score is 70%.
7. Which of the following reference materials is allowed in the UDC HVAC
Inspector exam? (Select all that apply.)
• A) Wis. Admin. Code § SPS 305 in a three-ring binder
• B) Wis. Admin. Code § SPS 320-323 in a three-ring binder
• C) Uniform Dwelling Code Appendix
• D) Practice exams
Answer: A, B, C
Rationale: The exam allows Wis. Admin. Code § SPS 305, Wis. Admin.
Code § SPS 320-323, and the Uniform Dwelling Code Appendix. Practice or
previous exams do not qualify as notes and are not allowed.
8. Printed notes are allowed in the UDC HVAC Inspector exam under what
condition?
• A) They must be handwritten
• B) They must be three-hole punched and placed in the binder
• C) They must be typed and bound with a spiral
• D) They must be printed on colored paper
Answer: B) They must be three-hole punched and placed in the binder
Rationale: Printed notes are allowed as long as they are three-hole
punched and placed in the binder. Loose papers, removable tabs, sticky
notes, and paperclips are not allowed.
WISCONSIN UDC HVAC INSPECTOR PORTION EXAM
PRACTICE TEST 2026/2027 COMPLETE (100) CURRENT
TESTING QUESTIONS AND CORRECT ANSWERS WITH
DETAILED RATIONALES.
HVAC
Prepare for the Wisconsin UDC HVAC Inspector Portion Exam Practice with a focused
study resource designed to reinforce essential HVAC inspection and code-compliance
concepts. It supports review of heating, ventilation, air-conditioning systems,
equipment installation, combustion and venting, ductwork, energy requirements,
safety, and Wisconsin UDC provisions. Use the material to strengthen code
application, improve inspection judgment, and identify areas that may require
additional review before the examination. This resource is best suited for Wisconsin
UDC HVAC Inspector candidates, HVAC professionals, building officials, code
enforcement personnel, and residential construction inspectors preparing for the
HVAC portion of certification.
MULTIPLE CHOICE.
SECTION 1: ADMINISTRATION & ENFORCEMENT (SPS 305)
1. Which Wisconsin Administrative Code section establishes general
provisions for certification and regulation of HVAC inspectors?
• A) SPS 305
• B) SPS 320
• C) SPS 322
• D) SPS 365
Answer: A) SPS 305
Rationale: SPS 305 outlines the general building, heating, ventilating, and
air conditioning provisions, including certification and regulation of
inspectors. SPS 320 covers administration of the UDC, SPS 322 covers
energy conservation, and SPS 365 is not part of the UDC.
, Page 2 of 41
2. Under SPS 305.63, no person may conduct the inspection of one- and
two-family dwellings for the purpose of administering and enforcing Wis.
Admin. Code ch. SPS 323 unless the person holds what?
• A) A valid driver's license
• B) A contractor's license
• C) A certification as a UDC HVAC Inspector issued by the Department
• D) A building permit
Answer: C) A certification as a UDC HVAC Inspector issued by the
Department
Rationale: Per Wis. Admin. Code § SPS 305.63, no person may conduct the
inspection of one- and two-family dwellings for the purpose of
administering and enforcing Wis. Admin. Code ch. SPS 323 unless the
person holds a certification issued by the Department as a certified UDC
HVAC Inspector.
3. What is the primary purpose of an HVAC inspection under the
Wisconsin UDC?
• A) Increase construction costs
• B) Ensure compliance with applicable codes and safety standards
• C) Improve property value only
• D) Reduce permit fees
Answer: B) Ensure compliance with applicable codes and safety
standards
Rationale: HVAC inspections verify that installations comply with
adopted codes, protecting occupants from fire, electrical, mechanical,
and health hazards.
4. A certified UDC HVAC Inspector is responsible for which of the
following?
, Page 3 of 41
• A) Designing HVAC systems for new buildings
• B) Maintaining inspection records and providing reports to property
owners
• C) Installing HVAC equipment
• D) Approving building permits for commercial structures
Answer: B) Maintaining inspection records and providing reports to
property owners
Rationale: A certified UDC HVAC inspector is responsible for conducting
inspections, maintaining records, and providing reports to property
owners, ensuring compliance with codes.
5. According to SPS 305.63, a person who inspects one- and two-family
dwellings as a certified UDC HVAC Inspector shall: (Select all that apply.)
• A) Maintain a record of inspections including dates and findings
• B) Provide a copy of the inspection report to the property owner
• C) Make inspection records available to the Department upon request
• D) Approve all HVAC system designs before installation
Answer: A, B, C
Rationale: Per SPS 305.63, a certified UDC HVAC Inspector shall maintain
a record of inspections, provide copies of inspection reports to property
owners, and make records available to the Department upon request.
They do not approve system designs—that is the responsibility of the
designer or engineer.
6. The UDC HVAC Inspector exam is an open book exam. What is the
passing score?
• A) 60%
• B) 70%
, Page 4 of 41
• C) 75%
• D) 80%
Answer: B) 70%
Rationale: The UDC HVAC Inspector exam is open book, and the passing
score is 70%.
7. Which of the following reference materials is allowed in the UDC HVAC
Inspector exam? (Select all that apply.)
• A) Wis. Admin. Code § SPS 305 in a three-ring binder
• B) Wis. Admin. Code § SPS 320-323 in a three-ring binder
• C) Uniform Dwelling Code Appendix
• D) Practice exams
Answer: A, B, C
Rationale: The exam allows Wis. Admin. Code § SPS 305, Wis. Admin.
Code § SPS 320-323, and the Uniform Dwelling Code Appendix. Practice or
previous exams do not qualify as notes and are not allowed.
8. Printed notes are allowed in the UDC HVAC Inspector exam under what
condition?
• A) They must be handwritten
• B) They must be three-hole punched and placed in the binder
• C) They must be typed and bound with a spiral
• D) They must be printed on colored paper
Answer: B) They must be three-hole punched and placed in the binder
Rationale: Printed notes are allowed as long as they are three-hole
punched and placed in the binder. Loose papers, removable tabs, sticky
notes, and paperclips are not allowed.
