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Josh Greenfield

Josh Greenfield

Director of High Performance Design, HDR

At HDR, Josh is responsible for the overall energy, building decarbonization, and sustainable analytics leadership of the HDR Building Engineering Services North America practice. Tasked with managing the building performance analytics and consulting services within HDR Building Engineering to assure it can properly serve energy analysis collaborators in the Architecture, Building Engineering & Cross Sector practices. Building Performance services includes energy simulation for early concept design stage parametrics, comprehensive ASHRAE level energy modeling, post occupancy evaluations, Computational Fluid Dynamic (CFD) analysis, thermal comfort modeling, daylighting analysis, existing building energy assessments, decarbonization studies, and building-grade renewable feasibility studies. Provides sustainable consulting services on a variety of projects related to the built environment. Actively engages colleagues throughout the firm to implement firm-wide building physics education, improve the performance of design projects and ensure that an integrated design process is occurring on all projects.

Licensed professional Mechanical Engineer (PE), LEED Accredited Professional (LEED AP BD+C & O+M), Building Energy Modeling Professional (ASHRAE BEMP) and Certified Energy Manager (CEM) with 22+ years of experience highlighted by extensive energy consulting and sustainable design experience both as the project energy consultant (energy assessments, retro/monitoring-based commissioning, energy incentives/grants, Life Cycle Cost Analysis (LCCA), utility procurement, PLC notifications & PLC reduction plans, EnergyStar certification, Fault Detection & Diagnosis (FDD), renewable energy analysis), as well as project sustainability consultant (LEED consulting, sustainability master planning, code development). In the past, Josh served on the International Code Council (ICC) Sustainable Building Technology Committee (SBTC) that developed the first International Green Construction Code (IgCC) that debuted in March 2012.