StarGuard Energy Star® Certification Programs

Keystone's StarGuard Energy Performance Certification Program qualifies a wide range of products for the EPA's ENERGY STAR® program. Keystone was one of the first Third Party Certification Bodies recognized by the EPA, and our experienced staff can help you navigate the new requirements to obtain and maintain ENERGY STAR® listings for the product categories listed below.

The StarGuardTM Program, offers a Manufacturer's Laboratory Recognition Program that enables participants to employ their own "first party" laboratories for qualification and verification testing.

For information on getting started, download our Qualifying Products for ENERGY STAR® Checklist.

Qualifying Products

The StarGuard Program is EPA Recognized to qualify the following ENERGY STAR Products:

Building Products

  • Roofing
  • Windows, Doors & Skylights (as NFRC Licensed IA)
  • Insulation


  • Imaging Equipment
  • Set-Top Boxes

Commercial Appliances

  • Refrigerators/Freezers

Complaint od Non-Complaince