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Scott Horowitz focuses on residential building energy modeling (BEM) software tools, standards, and analysis. He is the technical lead on multiple projects that improve the accuracy, consistency, and capability of government and industry BEM software.

Horowitz leads the development of several residential tools, including BEopt™, Home Energy Score, OpenStudio-HPXML, and Energy Rating Index (ERI), and was a founding developer for ResStock, an R&D 100 Award Winner. He also contributes to additional BEM tools including Weatherization Assistant, EnergyPlus, and OpenStudio.

Horowitz is a recognized expert in residential BEM, has been cited in over 1,000 publications, and contributes to industry organizations including RESNET®, BPI, ASHRAE, and IBPSA.

Building energy modeling

Optimization and calibration

Building data exchange standardization

Building stock simulation

Open-source software

Prior to joining NLR in 2007, Horowitz completed his master's degree in building systems engineering at the University of Colorado Boulder, where his research focused on developing cost-based optimization techniques for residential buildings, and was a member of University of Colorado's first place Solar Decathlon team. Horowitz also has a bachelor's degree in mechanical engineering from Rutgers University.