AERC 1: Procedures for Determining Energy Performance Properties of Fenestration Attachments

Challenge Resource

AERC_1.pdf (2.9 MB)

brief description

This document, AERC 1, provides the main technical rating procedures to determine the energy performance properties (U-factor, SHGC, VT, and Air Leakage) of fenestration attachments installed in combination with standardized baseline windows and skylights under standardized conditions.