Md. Code, Business Regulation § 9A–102

The purpose of this title is to establish a licensing program for individuals who provide or assist in providing heating, ventilation, air-conditioning, and refrigeration services to:

(1) protect the public;

(2) provide and maintain efficient and safe systems;

(3) promote high professional standards; and

(4) ensure that qualified individuals carry out subsections (1), (2), and (3) of this section.