W. Va. Code § 21-16-9: Inapplicability of local ordinances.

On and after January 1, 2016, a political subdivision of this state may not require, as a condition precedent to the performance of work on heating, ventilating and cooling in the political subdivision, a person who holds a valid and current license issued under this article, to have any other license or other evidence of competence beyond those required by the Commissioner of Labor to perform work on heating, ventilating and cooling systems.