And Correct Answers 2025-2026 Edition.
This practice exam is based on the official Wisconsin HVAC Qualifier (Designer of
Engineering Systems) exam administered by the Wisconsin Department of Safety and
Professional Services (DSPS) . The exam is open-book, and tests knowledge of
Wisconsin Administrative Code (SPS Chapters) and applicable International Codes with
Wisconsin amendments .
LICENSING, REGULATIONS & QUALIFIER DEFINITION
Question 1
What is the primary state agency responsible for issuing HVAC qualifier licenses in
Wisconsin?
A) Wisconsin Department of Workforce Development (DWD)
B) Wisconsin Department of Safety and Professional Services (DSPS)
C) Wisconsin Department of Natural Resources (DNR)
D) Wisconsin Department of Transportation (WisDOT)
Answer: B) Wisconsin Department of Safety and Professional Services (DSPS)
Explanation: The Wisconsin Department of Safety and Professional Services (DSPS)
oversees licensing and regulation of HVAC contractors and qualifiers under Wis. Admin.
Code SPS 305 . DSPS administers the HVAC qualifier certification and contracts with
testing vendors for exam administration .
Question 2
,According to Wis. Admin. Code § SPS 305.71, an individual may obtain an HVAC
qualifier certification relative to what business activity?
A) Designing electrical systems for commercial buildings
B) Installing or servicing heating, ventilating, or air conditioning equipment
C) Plumbing and fire suppression system installation
D) General construction management
Answer: B) Installing or servicing heating, ventilating, or air conditioning equipment
Explanation: SPS 305.71 specifically governs HVAC qualifier certification for individuals
relative to the business of installing or servicing heating, ventilating, or air conditioning
equipment . The qualifier scope includes preparation of plans and specifications,
consultation, investigation, and evaluation, but NOT physical installation .
Question 3
What is the minimum work experience required to qualify for the Wisconsin HVAC
Qualifier examination?
A) 2 years
B) 3 years
C) 4 years
D) 6 years
Answer: C) 4 years
Explanation: SPS 305.71(3)(a) requires at least 1,000 hours per year for at least 4 years
of experience in supervising or performing the design, installation, servicing, or
maintenance of HVAC systems or equipment . Some sources reference a 2-year
requirement, but the official code requires 4 years .
Question 4
Which Wisconsin Administrative Code chapters apply to one- and two-family
dwellings for HVAC work?
,A) SPS 301 to 319
B) SPS 320 to 325
C) SPS 340 to 349
D) SPS 361 to 366
Answer: B) SPS 320 to 325
Explanation: The Uniform Dwelling Code (UDC) is covered by SPS 320 to 325 and
applies to one- and two-family dwellings . The Uniform Dwelling Code (Chapter SPS
321) sets minimum standards for HVAC in one- and two-family dwellings . SPS 361 to
366 covers commercial buildings adopting the IMC .
Question 5
Which Wisconsin Code covers "Heating, Ventilating and Air Conditioning" for
commercial buildings?
A) SPS 340
B) SPS 361 (adopting the IMC/UMC)
C) SPS 382
D) SPS 326
Answer: B) SPS 361 (adopting the IMC/UMC)
Explanation: SPS 361 adopts the International Mechanical Code (IMC) with Wisconsin
amendments for commercial HVAC . The exam references the International Model
Codes and the amendments to those codes in Wis. Admin. Code § SPS 361-366 .
Question 6
What is the primary definition of a "Qualifier" under SPS 305?
A) An apprentice learning the trade
B) The designated individual with knowledge and authority to supervise HVAC work
C) A laborer handling material
D) The building inspector
, Answer: B) The designated individual with knowledge and authority to supervise HVAC
work
Explanation: The Qualifier is the licensed individual responsible for supervising HVAC
installations, repairs, and alterations . The qualifier certification permits individuals to
engage in the preparation of plans and specifications, consultation, investigation, and
evaluation in connection with HVAC systems .
Question 7
A Qualifier's license in Wisconsin is:
A) Only valid if the Qualifier owns the company
B) Tied to the employing contractor
C) Transferable to any contractor without notice
D) Not required to be on the job site
Answer: B) Tied to the employing contractor
Explanation: The Qualifier license is linked to the specific employing contractor; the
contractor cannot operate without a Qualifier . An entity that employs an HVAC qualifier
is deemed a certified HVAC business and may not be required to obtain local
certification .
Question 8
How often must a Wisconsin HVAC qualifier renew their license?
A) Every year
B) Every two years
C) Every three years
D) Every five years
Answer: B) Every two years