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Recent Projects

Smithsonian Institution South Campus Master Plan

Working closely with the Smithsonian, BIG-Bjarke Ingels Group and GHT conceived a master plan for the South Mall Campus as an example of radical reinterpretation.

Washington Marriott Marquis

The new Washington Marriott Marquis was built with an innovative top-down construction method - the building is nearly as deep as it is tall, extending 94 feet underground and 14 stories above.

Sustainability at GHT

GHT's portfolio features 116 projects with LEED certification, but that is just the beginning of our sustainability story. In addition to our design credentials, GHT supports many initiatives that raise the profile of sustainable design. Our involvement includes:

  • Voting member of the Green Technical Advisory Group (TAG) that helped review and amend DC's first Green Construction Code
  • Provider of GBCI-Accredited Presentations and LEED AP Exam Questions
  • Volunteer for the Greenbuild 2015 Host Committee
  • Executive Member of the 2014 ENERGY STAR Certification Nation

Learn more about Sustainability at GHT.

Leasing Space with a Dedicated Outdoor Air System (DOAS)

A Dedicated Outdoor Air System (DOAS) can benefit tenants and owners by maximizing building energy efficiency and usable square footage compared to other HVAC systems.

Learn More

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MEP Engineering for the Washington, DC Metro Area

GHT helps optimize building performance. We provide sustainable mechanical, electrical, and plumbing (MEP) engineering services for commercial office buildings, tenant interiors, and government properties, as well as institutional, hospitality, and mission critical environments. GHT’s areas of expertise include MEP system design, commissioning, building energy services, and real estate advisory services. Based in Arlington, VA, GHT is one of the largest locally owned and headquartered MEP consultants in the Washington DC metro area. Since our founding in 1965, GHT has remained on the leading edge of technology to deliver sustainable MEP engineering solutions that balance comfort, efficiency, and purpose.

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