Home Energy Rater and Blower Door Certification Expert. The national training and certification standards for HERS (Home Energy Rating System) Raters and Home Energy Survey Professionals were created by RESNET and are recognized by federal government agencies such as the Environmental Protection Agency (EPA), the U.S. Department of Energy (DOE) and the U.S. Mortgage Industry. APC All Purpose Consultants are approved licensed members of RESNET. RESNET Florida | Blower Door Energy Auditors, Energy Raters, HERS Rating Licensed RESNET Efficiency Energy in Palm Beach County