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Florida Air Conditioning Class B Contractor Exam
ACTUAL QUESTIONS AND ANSWERS LATEST
UPDATE THIS YEAR
Florida Air Conditioning Class B Contractor Exam, covering the required domains: Florida Statutes and
Administrative Code (Chapter 489, Rule 61G6, 61G15), Mechanical Code (FBC Mechanical 2020 7th
Edition based on IMC), Load Calculation (Manual J), Refrigeration Cycle, Electrical, Duct Design, Safety,
Business, and Project Management. Questions are presented in random order.
Question 1
What is the minimum required tonnage for a Florida Class B air conditioning contractor license?
A) 3 tons
B) 5 tons
C) 10 tons
D) 20 tons
Correct Answer: C
Rationale: Florida Class B contractors are limited to systems not exceeding 10 tons per unit and not
exceeding 25 tons total per project.
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Question 2
Under Florida Statute 489.105, what is the primary work limitation for a Class B air conditioning
contractor?
A) No limitation on tonnage
B) Limited to residential only
C) Limited to 10 tons per individual system
D) May install any size system with engineering supervision
Correct Answer: C
Rationale: The statutory definition restricts Class B to systems of 10 tons or less (individual system
capacity).
Question 3
How many hours of continuing education (CE) must a Florida Class B AC contractor complete biennially
for license renewal?
A) 6 hours
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B) 8 hours
C) 14 hours
D) 20 hours
Correct Answer: C
Rationale: Florida requires 14 hours of continuing education per renewal period, including 1 hour of
workplace safety and 1 hour of business practices.
Question 4
The Florida Building Code (FBC) Mechanical is based on which model code?
A) Uniform Mechanical Code (UMC)
B) International Mechanical Code (IMC)
C) National Standard Plumbing Code
D) NFPA 70 only
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Correct Answer: B
Rationale: The Florida Building Code Mechanical adopts the International Mechanical Code (IMC) with
Florida-specific amendments.
Question 5
A residential air conditioning condensing unit must be placed at least how far from a property line?
A) 3 feet
B) 6 feet
C) 10 feet
D) No minimum distance per FBC if noise compliant
Correct Answer: B
Rationale: FBC Mechanical requires a minimum 6 feet separation from property lines unless local
ordinance requires more.
Florida Air Conditioning Class B Contractor Exam
ACTUAL QUESTIONS AND ANSWERS LATEST
UPDATE THIS YEAR
Florida Air Conditioning Class B Contractor Exam, covering the required domains: Florida Statutes and
Administrative Code (Chapter 489, Rule 61G6, 61G15), Mechanical Code (FBC Mechanical 2020 7th
Edition based on IMC), Load Calculation (Manual J), Refrigeration Cycle, Electrical, Duct Design, Safety,
Business, and Project Management. Questions are presented in random order.
Question 1
What is the minimum required tonnage for a Florida Class B air conditioning contractor license?
A) 3 tons
B) 5 tons
C) 10 tons
D) 20 tons
Correct Answer: C
Rationale: Florida Class B contractors are limited to systems not exceeding 10 tons per unit and not
exceeding 25 tons total per project.
, Page 2 of 161
Question 2
Under Florida Statute 489.105, what is the primary work limitation for a Class B air conditioning
contractor?
A) No limitation on tonnage
B) Limited to residential only
C) Limited to 10 tons per individual system
D) May install any size system with engineering supervision
Correct Answer: C
Rationale: The statutory definition restricts Class B to systems of 10 tons or less (individual system
capacity).
Question 3
How many hours of continuing education (CE) must a Florida Class B AC contractor complete biennially
for license renewal?
A) 6 hours
, Page 3 of 161
B) 8 hours
C) 14 hours
D) 20 hours
Correct Answer: C
Rationale: Florida requires 14 hours of continuing education per renewal period, including 1 hour of
workplace safety and 1 hour of business practices.
Question 4
The Florida Building Code (FBC) Mechanical is based on which model code?
A) Uniform Mechanical Code (UMC)
B) International Mechanical Code (IMC)
C) National Standard Plumbing Code
D) NFPA 70 only
, Page 4 of 161
Correct Answer: B
Rationale: The Florida Building Code Mechanical adopts the International Mechanical Code (IMC) with
Florida-specific amendments.
Question 5
A residential air conditioning condensing unit must be placed at least how far from a property line?
A) 3 feet
B) 6 feet
C) 10 feet
D) No minimum distance per FBC if noise compliant
Correct Answer: B
Rationale: FBC Mechanical requires a minimum 6 feet separation from property lines unless local
ordinance requires more.
