The Attachments Energy Rating Council (AERC) is an independent, public interest, non-profit organization whose mission is to rate, label, and certify the energy performance of window attachments. Learn more about AERC at aercnet.org.

The AERC Certified Products Database (CPD) provides certified product performance as well as relevant organizational and tracking information about window and fenestration attachment products.



Member of the public can access the CPD through the Certified Products Web Site.

The CPD also offers a broad range of integration opportunities for external systems through a well-documented API.



Manufacturer program participants wishing to update their contact information, can do so through the manufacturer section.



Simulator program participants wishing to upload simulation data, can do so through the simulator section.

Program Administrator


Program administrators wishing to approve simulation data can do so through the administrator section.

This site is under construction. Please be patient.