ENERGY STAR® Certification Programs
Keystone is a leading EPA-Recognized Certification Body (CB) working to qualify a wide range of products for listing in the ENERGY STAR®program.
NFRC Inspection Agency (IA) Services Program
Keystone is a National Fenestration Rating Council (NFRC) licensed Inspection Agency (IA). The NFRC Certification Program offers fenestration (window and door) manufacturers a third party verified, nationally-recognized method for demonstrating product U Factor, Solar Heat Gain Coefficient (SHGC) and other energy performance characteristics.StarGuardTM Energy Performance Certification Programs
Keystone's StarGuardTM Energy Performance Certification Programs qualify imaging equipment products for the EPA's ENERGY STAR® Program. Keystone Certifications is an EPA recognized Certification Body (CB).
