Ekotrope

Ekotrope is a Boston-based software company founded in 2011 that specializes in developing RESNET-accredited HERS (Home Energy Rating System) rating software. The company focuses on simplifying energy modeling and promoting energy efficiency in residential construction. Its flagship product, the RATER software, is recognized as the leading HERS rating tool in the U.S., utilizing a proprietary hourly energy algorithm to streamline the modeling process.

Ekotrope's mission is to empower informed decisions that advance sustainability in the built environment. The company employs around 37 people and operates on a hybrid remote/in-office model. Its software is used in approximately 1 in 4 new U.S. homes, contributing to significant reductions in CO2 emissions. Ekotrope serves a diverse range of clients, including HERS raters, utilities, builders, and lenders, providing tools for energy modeling, design assistance, and program management to enhance energy efficiency and support sustainable building practices.