Study data from the 2025 Nonresidential Alterations Study is now available on the Results page of the Explorer. To view these results, click on the Existing Buildings tab and scroll down to the study data card you are interested in viewing. This study covered the Medium Retail and Small Office prototypes, and organized them into three different vintages (1980s, 1990s, and 2000s). Measures analyzed include packaged rooftop unit (RTU) replacements as well as efficiency measures, including cool roof, window film, lighting retrofit, HRV, DCV, and economizer FDD.
New Study Data: 2025 Nonresidential Alterations
Written by Jasmine