Class B Air-Conditioning Contractor

"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, when 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 is necessary to make complete an air-distribution system being installed under this classification, and any duct cleaning and equipment sanitizing which requires at least a partial disassembling of the system; to install, maintain, repair, fabricate, alter, extend, or design, when 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 shall also include any excavation work incidental thereto, but shall not include any work such as liquefied petroleum or natural gas fuel lines within buildings, potable water lines or connections thereto, sanitary sewer lines, swimming pool piping and filters, or electrical power wiring.

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1. Building Contractor
2. Carpentry Contractor
3. Class A Air-Conditioning Contractor
4. Class B Air-Conditioning Contractor
5. Commercial Pool/Spa Contractor
6. Concrete/Masonry Contractor
7. Concrete Placing and Finishing Contractor
8. Dry Wall Contractor
9. Electrical Contractor
10. General Contractor
11. Insulation Contractor
12. Masonry Contractor
13. Mechanical Contractor
14. Plumbing Contractor
15. Residential Contractor
16. Residential Pool/Spa Contractor
17. Roofing Contractor
18. Sheet Metal Contractor
19. Specialty Contractor
20. Specialty Structure Contractor
21. Stucco, Lath and Plastering Contractor