HPVA's certification program, inspection services, and specific laboratory test procedures are accredited by the International Accreditation Service, Inc. (IAS). HPVA has demonstrated compliance with:

• ISO/IEC Guide 65 General requirement for bodies operating product certification systems;
• ISO/IEC Standard 17020 General criteria for the operation of various types of bodies performing inspection;
• ISO/IEC Standard 17025 General criteria for the competence of testing and calibraiton laboratories

By following the stringent requirement of the ISO/IEC programs, HPVA has gained recognition as a Third Party Certifier (TPC-8) by the California Environmental Protection Agency - Air Resource Board (CARB) and is recognized by the International Code Council (ICC) for testing requirements of the International Building Codes.