Duval County HAR Class C Contractors License (GITS©)

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

HAR Class C Contractor Classes

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HAR Class C Contractor Exams

HAR Class C Contractors Exam

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

• Testing Company: GITS© (Gainesville Independent Testing Service)
• Hours Allotted: 3h
• Types of Questions Multiple Choice
• Number of questions: 75
• Subjects Involved:
  • Code Compliance
  • Fuel Gas
  • Load Calculations
  • General
  • Maintenance and Service
  • Controls
  • Piping
  • Safety

Business and Law Exam

• Testing Company: GITS© (Gainesville Independent Testing Service)
• Hours Allotted: 2h
• Types of Questions: Multiple Choice
• Number of questions: 50
• Subjects Involved:
  • Insurance Laws
  • Tax Laws
  • Safety
  • Management
  • Lien Laws
  • Employment Laws
  • General Accounting

HAR Class C Books Set

The book set includes all required references for both the Pool Decking and Business Procedures exams. Orders placed before 2 PM are shipped the same day via UPS and a tracking number is emailed before 3 PM.

HAR Class C Books

Business Procedures Books

OSHA is required for both the business and the trade exams.

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