The board shall have the general administration and supervision of the design, construction, installation, improvement, extension and alteration of heating, ventilation and air conditioning systems, except that which has been heretofore and hereinafter exempted from the jurisdiction of this board, in connection with all buildings, residences and structures in this state, including buildings, residences and structures owned by the state or any political subdivision thereof. The division of occupational and professional licenses shall enforce the minimum standards and requirements therefor as provided by this chapter. The board may exercise such powers and duties as are reasonably necessary to carry out the provisions of this chapter, and it may, among other things:
The powers and duties of the board within the jurisdictional boundaries of local governments that have chosen to adopt and enforce mechanical codes shall be limited to those powers and duties needed to enforce the requirements governing a certificate of competency. Each local government that has chosen to adopt and enforce mechanical codes shall establish fees to be charged for permits and inspections within its jurisdiction.
Idaho Code § 54-5005