CODES + STANDARDS
NOTE: Pennsylvania does not have requirements for HVAC licensing. However, HVAC and refrigeration technicians are required to apply for local certifications to perform specific jobs. See certification info under "Careers/Jobs" tab.
What are standards, specifications, and codes?
Who produces standards?
Scientific and professional organizations, trade organizations, and governments create standards, both nationally as well as internationally. In the United States, the American National Standards Institute (ANSI) coordinates many standards producing organizations.
What types of standards exist?
Different standards-granting organizations publish different types of standards, e.g.: