GITS: Gainesville Independent Testing Service
EIS: Examination Information Sheet
HAR Contractor – Class “C” - MEE1Du
Jacksonville (Duval County) Version
Scope
Heating, air conditioning and refrigeration, to be noted herein as HAR, means the practice, materials and equipment used
in the installation, repair, maintenance, extension and alteration of appliances and appurtenances in connection with a
heating, air conditioning or refrigeration system within or adjacent to a building or structure, excluding: (i)Factory-built
appliances such as window air conditioners, domestic refrigerators, kitchen ranges, space heaters, portable fans and other
apparatus which is not normally included in the permanent construction of a dwelling.(ii)Electrical radiant heating
systems, electrical household appliances and electrical construction beyond the point of connection of HAR machinery to
the electrical branch circuit. (iii)A part of a plumbing system beyond the point of connection of HAR machinery to a
water supply outlet or the discharge of HAR machinery drainage into an indirect waste.(iv)A water heater, unless the
water heater and hot water or steam lines connected thereto are a part of the heating system and not for domestic use.
(v)Fire sprinkler and piping of a fire protection system.(vi)Gas piping not within a HAR system.(vii)Construction or
installations included within the scope of an electrical contractor or plumbing contractor.(viii)HAR equipment when being
set in a permanent location to allow the installation of ductwork, if a proper mechanical permit has been
obtained.(ix)Preventative maintenance defined as charging of refrigerant lines, changing filters and cleaning of dust and
debris of HAR equipment only when work is done by an employee of a qualified HAR contractor or when the HAR
equipment is within a multifamily facility and the work is done by an employee of the multifamily facility who has been
designated as a maintenance craftsman by the Board. (x)Installation of refrigerant lines and drain lines on residential
construction for a one to five ton capacity system, if a licensed installer verifies that the work is satisfactory before the job
is completed and if a proper mechanical permit has been obtained.
Class C indicates those craftsmen and contractors whose services are limited to the execution of work on fired-pressure
vessels and all appurtenances, apparatus or equipment used in connection therewith.
Examination Content Outline
The HAR Contractor – Class C examination is based on trade-specific information pertaining to materials,
tools, equipment, practices, terminology, and relevant laws. The examination is a three (3) hour, open book
exam that consists of 75 questions.
Subjects:
Code Compliance
General
Fuel Gas
Maintenance and Service
Controls
Piping
Safety
No. of Items
15
15
10
15
5
5
10
Total:
75
Approved References
1.
2.
3.
4.
OR
OR
5.
12/15
Florida Building Code (Mechanical), 2014
Florida Building Code (Chapter 13, Florida Energy Efficiency for Building Construction), 2014
Florida Building Code (Fuel Gas), 2014
Modern Refrigeration and Air Conditioning, 18th ed., 2004 (Wilcox)
Refrigeration and Air Conditioning, 3rd ed. (ARI)
Refrigeration and Air Conditioning Technology, 4th ed. (Delmar/Cengage)
Code of Federal Regulations – Title 29, Part 1926 (OSHA), 2010
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