Class B air-conditioning contractor means a contractor whose services are limited to 25 tons of cooling and 500,000 Btu of heating in any one system in the execution of contracts requiring the experience, knowledge, and skill to install, maintain, repair, fabricate, alter, extend, or design, if not prohibited by law, central air-conditioning, refrigeration, heating, and ventilating systems, including duct work in connection with a complete system only to the extent such duct work is performed by the contractor as necessary to complete an air-distribution system being installed under this classification, and any duct cleaning and equipment sanitizing that requires at least a partial disassembling of the system; to install, maintain, repair, fabricate, alter, extend, or design, if not prohibited by law, piping and insulation of pipes, vessels, and ducts; to replace, disconnect, or reconnect power wiring on the load side of the dedicated existing electrical disconnect switch; to install, disconnect, and reconnect low voltage heating, ventilating, and air-conditioning control wiring; and to install a condensate drain from an air-conditioning unit to an existing safe waste or other approved disposal other than a direct connection to a sanitary system. The scope of work for such contractor also includes any excavation work incidental thereto, but does not include any work such as liquefied petroleum or natural gas fuel lines within buildings, except for disconnecting or reconnecting changeouts of liquefied petroleum or natural gas appliances within buildings; potable water lines or connections thereto; sanitary sewer lines; swimming pool piping and filters; or electrical power wiring (s. 489.105).
Login credentials emailed upon enrollment
Unlimited access (no time limits)
Lecture videos
Practice questions
Key concepts
Step-by-step solutions to math problems
Live review
classesLogin credentials emailed upon enrollment
Unlimited access (no time limits)
Lecture videos
Practice questions
Key concepts
Step-by-step solutions to math problems
Live review
classesThe books set includes all required references for both the Class B Air Conditioning 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.
OSHA is required for both the business and the trade exams.
Florida Building Code - Mechanical
Florida Building Code Ch 13 Energy Efficiency
Florida Building Code - Fuel Gas
Modern Refrigeration and Air Conditioning
Trane Ductulator
HVAC Duct Construction Standards – Metal an
CFR (OSHA) Title 29 Part 1926
NFPA 54 National Fuel Gas Code
Plumbing Technology: Design and Installation
Refrigeration & Air Conditioning Technology
Architectural Sheet Metal Manual
OSHA is required for both the business and the trade exams.
Florida Contractor's Business Procedures Refe
CFR (OSHA) Title 29 Part 1926