New York | Elementa Engineering


In 2014, Elementa Engineering DPC joined Integral Group LLC as part of an interactive global network of mechanical, electrical, plumbing and energy engineers, and firms collaborating under a single deep green engineering umbrella. We specialize in the design of simple, elegant, cost-effective systems for a wide variety of project types.

Elementa Engineering DPC is a New York based professional services consulting engineering firm focused on positively impacting the built environment. Through a relationship with Integral Group LLC, we are creating a new realm of possibilities by combining our diversified leadership and common visionary approach to green buildings.

Collectively championing the use of the most innovative and sustainable systems, we give life to high performance buildings and communities that both respect and enrich the Earth, and provides our clients with global expertise in step with a local presence.

New York Design Studio

Street Address:
54 West 40th Street
New York, NY 10018
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News & Events for New York | Elementa Engineering


June 25, 2019
Integral Group is excited to announce that Rachel Lieberman has been recently promoted to principal. Since joining the firm in 2012, Rachel quickly distinguished herself in the field of building performance and optimization, delivering building commissioning services for projec... Read more
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New York | Elementa Engineering Leadership


  • Managing Principal, New York
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    Richard has over 18 years of experience as a project manager and lead mechanical engineer. He has a diverse portfolio of building projects, with extensive project management and mechanical system design for a variety of building types including airports, commercial offices, transportation facility, central utility plants, museums, high-rise buildings, hospitals and master plans. As a managing principal, Richard will proactively collaborate with the main project stakeholders to fully understand the project goals and work with the team to provide fitting designs. He will provide continuous professional support to the team, dedicating the resources necessary to achieve budget and schedule milestones. Richard focuses on client satisfaction and his design efforts to achieve energy efficiency, reliability and flexibility.

  • Principal, New York
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    Shreshth’s professional focus over the past fifteen years has been to understand and model building performance that results from the interaction between envelope configuration, climatic context, functional requirements, conditioning systems, and occupant behavior. More recently, his doctoral research focused on developing automated workflows to construct living urban energy models that are designed to systematically explore future energy scenarios and identify areas of maximum potential savings.

    Shreshth’s role is primarily to manage the holistic environmental design scope, and work closely with the project teams to shape building and urban designs from the concept phase through implementation. He especially enjoys working on projects with a focus on designing with passive strategies for thermal and visual comfort; and has completed specialized building-physics analyses to help inform design decisions of several award-winning projects that represent a broad spectrum of types, scales, climates, and performance goals.

  • Associate, New York
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    James joins Elementa Engineering following three years working in Integral Group’s Austin office. James brings over seven years of project management, commissioning and sustainability consulting experience to the Elementa Engineering team. His strong connection to water and nature, fostered by his love of surfing, led him to explore a career in sustainability. After implementing an award-winning sustainability program at Forbes-rated five-star hotel focused on energy and water efficiency, waste reduction, recycling, and sustainability education projects, James has transitioned to career as a sustainability consultant and commissioning agent.

    James strives to support his clients by understanding their needs and developing strong relationships, resulting in buildings and spaces that are loved and enjoyed by those who occupy them. He enjoys the challenge each project brings, from water and energy efficiency to healthy materials. He has worked on many “deep green” projects including the Living Building Challenge targeted Gulf State Park Interpretive Center and Zero Net Energy targeted TreeHouse Sustainable Home Improvement Store.

  • Associate, New York
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    With a wealth of experience working within the built environment, Peter brings a fresh perspective to our clients across a multitude of sectors – including healthcare, aviation, commercial high rise and institutional developments.

    As a licensed Professional Engineer in the State of New York & certified ASHRAE Healthcare Facility Design Professional, he works closely with our clients in the development of innovative mechanical building systems design and the path from conceptual design through to construction completion. Peter’s strong communication skills and keen focus to detail endears him to our both our clients and our team.

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