/ Buildings / EwingCole’s Net Zero Designed Unisphere Opens in Silver Spring

EwingCole’s Net Zero Designed Unisphere Opens in Silver Spring

Parul Dubey on September 28, 2018 - in Buildings

SILVER SPRING, Md.- EwingCole, one of the nation’s leading architecture, engineering, and interior design firms, is pleased to announce that opening ceremonies for the six-story expansion of United Therapeutics‘ downtown campus took place on Friday, September 21st. The 210,000 square-foot, elliptical shaped “Unisphere,” is the largest site Net Zero commercial building in the US and houses clinical operations for pulmonary disease, heart failure, and organ transplantation as well as In Silico molecular biology – a virtual drug development lab.

“This smart building takes advantage of multiple sustainability strategies,” said Jared Loos, PE, AIA, EwingCole CEO. “It has no operational carbon footprint because the electrical and thermal energy it uses is renewably generated on site. It is truly an engineering marvel.”

Strategies employed to achieve Net Zero status include the following:

  • 3,000 solar or photovoltaic panels on the building generating 1,175 MWH of energy each year, enough to power 100 homes.
  • The Earth Labyrinth is a quarter-mile-long concrete maze located twelve feet below Unisphere. This natural ventilation system, a collaboration between air and earth, moderates temperatures within the atrium as compared to the exterior climate.
  • Beneath Unisphere, 52 closed-loop, dual-circuited geo-exchange wells are drilled 500 feet into the earth to provide energy storage.
  • The atrium pool is used as a heat sink to help balance the overall system and provide passive heating of pool water.
  • Daylight harvesting allows dimming of the artificial lighting system when adequate sunlight is available.
  • The office area windows use electrochromic glass technology that changes tint level based on season, location of the sun, and cloud coverage.
  • Operable windows and panels allow the building to naturally ventilate providing a completely passive ventilation mode between certain temperatures.
  • Excess power is sent back into the utility grid during peak production times, and the utility grid supplies this power back at night and at off-peak times.

“The result is something pretty amazing,” said Loos. “This is truly a one of a kind building that sets the bar for other owners, designers, developers, and builders.”

The building team includes architect & engineer – EwingCole; contractor – Whiting-Turner; owners’ representatives – Stranix Associates.

Led by chairman and CEO Dr. Martine Rothblatt, United Therapeutics is a biotechnology company focused on the development and commercialization of innovative products to address the unmet medical needs of patients with chronic and life-threatening conditions. One of Greater Washington’s largest bioscience firms, United Therapeutics now occupies 435,000 square feet of office and lab space in Silver Spring.

About EwingCole
EwingCole, in practice for over 55 years, is a nationally recognized, fully integrated architecture, engineering, interior design, and planning firm of more than 400 professionals in Charlotte, Irvine, New York, Philadelphia, Pittsburgh, and Raleigh. We explore and design inventive solutions to complex projects that better our clients’ everyday lives, our community, and our world. Our vision is to design places that elevate the human experience by building a culture that transforms the most common buildings and landscapes into meaningful experiences. By bringing together research, creativity, and technology we create places where people live, learn, heal, work, and play. Our firm is a leader in the design of: Corporate, Cultural, Education, Government, Healthcare, Science & Technology, and Sports & Entertainment facilities. Visit www.ewingcole.com

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