Requiring and providing for the licensing of mechanical/HVAC +(heating, ventilation and air conditioning) contractors and employees, defining mechanical/HVAC contractor; establishing the mechanical board with +membership to be appointed by the governor, specifying certain board membership requirements and powers; providing for board licensing of the +contractors, requiring the board to adopt rules providing for masters and +journeyman levels of licensing; providing for certain license endorsements; regulating +master license holders; specifying certain licensing exemptions and certain +liability insurance requirements; prescribing license fees; requiring board +rules for continuing education and course approval requirements; requiring +licensee notice to the board of certain changes, requiring the board to issue +amended licenses; specifying license application and examination +requirements, requiring board rules; providing for board denial, suspension or +revocation of licenses under certain conditions; authorizing certain board actions; prescribing criminal penalties for unlicensed practice and voiding +lien rights; specifying certain additional board rule adoption requirements; +specifying certain recodification and term substitution (for the commissioner of administration) instructions to the revisor of statutes (ra)