Contractor Class
Class Code Class Description
4100 AIR CONDITIONING, CLASS B - CERTIFIED


Details
A "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 central air-conditioning, refrigeration, heating, and ventilating systems, including duct work in connection with a complete system. A "class B air-conditioning contractor" shall not perform any work such as liquefied petroleum or natural gas fuel lines within buildings, potable water lines or connections, sanitary sewer lines, swimming pool piping and filters, or electrical power wiring.