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Since 1930, van Zelm Heywood & Shadford, Inc. has been devoted to the planning, study and design of mechanical and electrical systems for the built environment. With projects that range in size from small studies to significant designs, we work for clients that include internationally renowned architects, major corporations and world-renowned institutions.

Long a proponent of sustainable design, van Zelm supports the growing global commitment to environmental conservation. We are proud to have contributed to the design of award-winning, LEED certified buildings that have verified Gold and Platinum level energy conservation and efficiency. We are proud to be a catalyst for the growth and education of our industry and for the users and operators of our built environment.

As the design of mechanical and electrical systems becomes increasingly complex, van Zelm can always be found at the forefront — merging imaginative solutions with the latest technologies and superior service.

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Specialized Skills & Services


Long a proponent of sustainable design, van Zelm fully supports the ever growing commitment environmental stewardship.  Beyond the superficial approach to energy-conscious system applications, we incorporate a design process of integration, communication, support and trust into our work product.  Staff members frequently are asked to speak to industry groups on the subject of sustainable design methodologies and outcomes.  Our LEED accredited professionals maintain an active program of research and development in innovative sustainable technologies for the benefit of our staff, our projects, and our clients.  We understand that we are residents on a planet with a fixed quantity of natural resources.  We advocate for development of sustainable energy sources and integrated supply/demand systems to support our modern lifestyle.

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