WISCONSIN UNIFORM DWELLING CODE (UDC) HVAC
INSPECTOR EXAM PRACTICE TEST 2026/2027 COMPLETE
(100) CURRENT TESTING QUESTIONS AND CORRECT
ANSWERS WITH DETAILED RATIONALES.
HVAC
Prepare for the Wisconsin Uniform Dwelling Code HVAC Inspector Exam Practice with
a focused study resource designed to reinforce essential residential HVAC inspection
concepts. It supports review of heating, ventilation, air-conditioning systems,
equipment installation, combustion and venting, energy conservation, safety
requirements, and Wisconsin UDC compliance. Use the material to strengthen code
knowledge, improve inspection judgment, and identify areas that may require
additional review before the examination. This resource is best suited for Wisconsin
UDC HVAC inspectors, building code professionals, HVAC technicians, contractors,
and candidates preparing for the Wisconsin HVAC Inspector certification exam.
MULTIPLE CHOICE.
SECTION 1: GENERAL & ADMINISTRATIVE (SPS 305, SPS 320-325)
1. Which Wisconsin SPS code section outlines the eligibility criteria for
obtaining a UDC HVAC Inspector credential?
• A) SPS 305.63
• B) SPS 322.01
• C) SPS 323.04
• D) SPS 320.05
Answer: A) SPS 305.63
Rationale: SPS 305.63 specifically details the application procedures and
eligibility requirements for UDC HVAC Inspector credentials.
2. Under SPS 305.63, which of the following professionals may obtain UDC
HVAC Inspector credentials through reciprocity?
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• A) Certified plumbers only
• B) Commercial Building Inspectors and HVAC Qualifiers
• C) Electrical contractors with a master license
• D) Homeowners with a building permit
Answer: B) Commercial Building Inspectors and HVAC Qualifiers
Rationale: Reciprocity is granted to those who hold equivalent
qualifications such as Commercial Building Inspectors or HVAC
Qualifiers.
3. How often must a Wisconsin UDC HVAC Inspector renew their
credential, according to SPS 305.63?
• A) Every 2 years
• B) Every 3 years with 12 CEUs
• C) Every 5 years with no CEU requirement
• D) Annually with 6 CEUs
Answer: B) Every 3 years with 12 CEUs
Rationale: The renewal period is three years and requires completion of
continuing education units (CEUs) as stipulated in SPS 305.63. (Note:
Some sources indicate 24 hours of CE over 4 years; the exam will reflect
the current SPS 305.63 requirements.)
4. Which of the following best describes the scope of the Uniform
Dwelling Code (UDC)?
• A) Commercial buildings over 10,000 sq. ft.
• B) Multi-family apartment complexes
• C) One- and two-family dwellings, including new construction and
alterations
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• D) Industrial manufacturing facilities
Answer: C) One- and two-family dwellings, including new construction
and alterations
Rationale: The UDC applies specifically to one- and two-family dwellings,
covering new construction, alterations, and additions, as per SPS 320-
325.
5. The UDC applies to one- and two-family dwellings constructed after
what date?
• A) January 1, 1970
• B) June 1, 1980
• C) January 1, 1990
• D) June 1, 2000
Answer: B) June 1, 1980
Rationale: The Uniform Dwelling Code applies to one- and two-family
dwellings built since June 1, 1980.
6. 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.
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7. Which SPS chapter governs the permitting and inspection procedures
for one- and two-family dwellings in Wisconsin?
• A) SPS 305
• B) SPS 320
• C) SPS 322
• D) SPS 325
Answer: B) SPS 320
Rationale: SPS 320 specifically addresses administration, permitting, and
inspection for the Uniform Dwelling Code (UDC).
8. What is a primary responsibility of a certified UDC HVAC inspector
under DSPS regulations?
• 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.
9. Which of the following systems is typically outside the scope of the
UDC?
• A) Hydronic heating systems in single-family homes
• B) Forced-air furnaces in one-family dwellings