Page 1 of 40
WISCONSIN UDC HVAC INSPECTOR EXAM — PRACTICE
EXAM 2026/2027 COMPLETE (100) CURRENT TESTING
QUESTIONS AND CORRECT ANSWERS WITH DETAILED
RATIONALES.
HVAC
Prepare for the Wisconsin UDC HVAC Inspector Exam Practice with a focused study
resource designed to reinforce essential HVAC inspection and Wisconsin Uniform
Dwelling Code concepts. It supports review of heating, ventilation, air-conditioning
systems, equipment installation, combustion and venting, ductwork, safety
requirements, and applicable code provisions. The material can help strengthen code
application, improve inspection judgment, and identify areas that may require
additional review before the exam. This resource is best suited for Wisconsin UDC
HVAC Inspector candidates, HVAC professionals, building officials, code enforcement
personnel, and residential construction inspectors preparing for certification.
MULTIPLE CHOICE.
SECTION 1: LICENSING, ADMINISTRATION, AND CREDENTIALING
(Questions 1–15)
Question 1:
Which Wisconsin Administrative Code section requires a person to hold a
certified UDC-HVAC Inspector credential to inspect one- and two-family
dwellings?
A) SPS 305.63
B) SPS 320.01
C) SPS 322.10
D) SPS 323.02
Answer: A) SPS 305.63
Rationale: Under 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
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person holds a certification issued by the Department as a certified UDC
HVAC Inspector.
Question 2:
What is the passing score for the Wisconsin UDC HVAC Inspector exam?
A) 60%
B) 70%
C) 75%
D) 80%
Answer: B) 70%
Rationale: The DSPS requires a minimum score of 70% to pass the UDC
HVAC Inspector certification exam.
Question 3:
How often must a Wisconsin UDC HVAC Inspector renew their credential?
A) Every 1 year
B) Every 2 years
C) Every 4 years (expires June 30)
D) Every 5 years
Answer: C) Every 4 years (expires June 30)
Rationale: The credential is effective for four years from June 30. The
credential fee is prorated based on the expiration date.
Question 4:
What is the application and exam fee for the Wisconsin UDC HVAC Inspector
certification?
A) $25
B) $40
C) $50
D) $80
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Answer: B) $40
Rationale: The fee consists of a $15 application fee and an exam fee of
$25, totaling $40.
Question 5:
According to Wisconsin law, a certified UDC-HVAC Inspector must carry their
credential:
A) Only when performing inspections for a fee
B) On their person while performing inspections
C) Only when requested by the property owner
D) In their vehicle at all times
Answer: B) On their person while performing inspections
Rationale: A person who holds the credential shall carry on their person
the credential issued by the department while performing or conducting
the activity or activities permitted under the credential.
Question 6:
Which of the following is a requirement for a certified UDC-HVAC Inspector?
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) All of the above
Answer: D) All of the above
Rationale: A certified UDC-HVAC inspector shall maintain a record of
inspections including dates and findings, provide a copy of the inspection
report to the property owner, and make inspection records available to
the department upon request.
Question 7:
Which Wisconsin statute provides the statutory authority for the UDC HVAC
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Inspector certification program?
A) Wis. Stat. § 101.66(2)
B) Wis. Stat. § 145.06
C) Wis. Stat. § 66.01
D) Wis. Stat. § 30.01
Answer: A) Wis. Stat. § 101.66(2)
Rationale: Under Wis. Stat. § 101.66(2), no person may conduct the
inspection of one- and two-family dwellings for the purpose of
administering and enforcing the Uniform Dwelling Code unless the person
holds a credential issued by the department.
Question 8:
Under Wisconsin law, a person may be prohibited from inspecting a project if
the inspector has:
A) A professional license in another state
B) A financial interest in the contractor's business
C) Prior inspection experience
D) A family member living in the dwelling
Answer: B) A financial interest in the contractor's business
Rationale: A financial interest creates a conflict of interest, which is
prohibited by ethical standards for inspectors. Inspectors must maintain
impartiality and avoid any appearance of impropriety.
Question 9:
What is the credential fee for a Wisconsin UDC HVAC Inspector after passing
the exam?
A) $25
B) $40 (prorated based on expiration date)
C) $50
D) $100
Answer: B) $40 (prorated based on expiration date)
WISCONSIN UDC HVAC INSPECTOR EXAM — PRACTICE
EXAM 2026/2027 COMPLETE (100) CURRENT TESTING
QUESTIONS AND CORRECT ANSWERS WITH DETAILED
RATIONALES.
HVAC
Prepare for the Wisconsin UDC HVAC Inspector Exam Practice with a focused study
resource designed to reinforce essential HVAC inspection and Wisconsin Uniform
Dwelling Code concepts. It supports review of heating, ventilation, air-conditioning
systems, equipment installation, combustion and venting, ductwork, safety
requirements, and applicable code provisions. The material can help strengthen code
application, improve inspection judgment, and identify areas that may require
additional review before the exam. This resource is best suited for Wisconsin UDC
HVAC Inspector candidates, HVAC professionals, building officials, code enforcement
personnel, and residential construction inspectors preparing for certification.
MULTIPLE CHOICE.
SECTION 1: LICENSING, ADMINISTRATION, AND CREDENTIALING
(Questions 1–15)
Question 1:
Which Wisconsin Administrative Code section requires a person to hold a
certified UDC-HVAC Inspector credential to inspect one- and two-family
dwellings?
A) SPS 305.63
B) SPS 320.01
C) SPS 322.10
D) SPS 323.02
Answer: A) SPS 305.63
Rationale: Under 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
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person holds a certification issued by the Department as a certified UDC
HVAC Inspector.
Question 2:
What is the passing score for the Wisconsin UDC HVAC Inspector exam?
A) 60%
B) 70%
C) 75%
D) 80%
Answer: B) 70%
Rationale: The DSPS requires a minimum score of 70% to pass the UDC
HVAC Inspector certification exam.
Question 3:
How often must a Wisconsin UDC HVAC Inspector renew their credential?
A) Every 1 year
B) Every 2 years
C) Every 4 years (expires June 30)
D) Every 5 years
Answer: C) Every 4 years (expires June 30)
Rationale: The credential is effective for four years from June 30. The
credential fee is prorated based on the expiration date.
Question 4:
What is the application and exam fee for the Wisconsin UDC HVAC Inspector
certification?
A) $25
B) $40
C) $50
D) $80
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Answer: B) $40
Rationale: The fee consists of a $15 application fee and an exam fee of
$25, totaling $40.
Question 5:
According to Wisconsin law, a certified UDC-HVAC Inspector must carry their
credential:
A) Only when performing inspections for a fee
B) On their person while performing inspections
C) Only when requested by the property owner
D) In their vehicle at all times
Answer: B) On their person while performing inspections
Rationale: A person who holds the credential shall carry on their person
the credential issued by the department while performing or conducting
the activity or activities permitted under the credential.
Question 6:
Which of the following is a requirement for a certified UDC-HVAC Inspector?
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) All of the above
Answer: D) All of the above
Rationale: A certified UDC-HVAC inspector shall maintain a record of
inspections including dates and findings, provide a copy of the inspection
report to the property owner, and make inspection records available to
the department upon request.
Question 7:
Which Wisconsin statute provides the statutory authority for the UDC HVAC
, Page 4 of 40
Inspector certification program?
A) Wis. Stat. § 101.66(2)
B) Wis. Stat. § 145.06
C) Wis. Stat. § 66.01
D) Wis. Stat. § 30.01
Answer: A) Wis. Stat. § 101.66(2)
Rationale: Under Wis. Stat. § 101.66(2), no person may conduct the
inspection of one- and two-family dwellings for the purpose of
administering and enforcing the Uniform Dwelling Code unless the person
holds a credential issued by the department.
Question 8:
Under Wisconsin law, a person may be prohibited from inspecting a project if
the inspector has:
A) A professional license in another state
B) A financial interest in the contractor's business
C) Prior inspection experience
D) A family member living in the dwelling
Answer: B) A financial interest in the contractor's business
Rationale: A financial interest creates a conflict of interest, which is
prohibited by ethical standards for inspectors. Inspectors must maintain
impartiality and avoid any appearance of impropriety.
Question 9:
What is the credential fee for a Wisconsin UDC HVAC Inspector after passing
the exam?
A) $25
B) $40 (prorated based on expiration date)
C) $50
D) $100
Answer: B) $40 (prorated based on expiration date)
