Fabrication and installation of complete warm air heating
and air conditioning systems, and complete ventilating systems. The HVAC Contractor
scope of practice does not include activities described in this Subsection under
specialty classification S354-Radon Mitigation Contractor unless the work is performed
under the immediate supervision of an employee who holds a current certificate issued by
the National Radon Safety Board (NRSB) or the National Radon Proficiency Program (NEHANRPP).