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Co|Lab
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Environmental Sustainability

Sustainable

vision

We have a responsibility to address some of the world’s most pressing issues related to biodiversity, pollution, waste, and other climate change contributors. HITT is focused on identifying carbon contributors, employing waste diversion methods, and optimizing the efficiency and sustainability of our offices and jobsites through alternative energy and materials. 

#18 National Top Green Contractor

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Engineering News-Record, 2023

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Window looking inside building at green wall

Reducing Carbon Emissions 

living rooftop with grass and skylights

Pursuing Waste Diversion 

solar panel rooftop

Adopting Alternative Energy 

wood building in progress

Advancing Alternative Materials 

Driving Sustainable Change 

As leaders in the green building space, HITT works closely with clients and partners through all phases of construction to help them meet their sustainability goals and certifications, from LEED to ILFI to WELL. 

230+

Total LEED

Projects Completed

3,415,000

Square Feet of LEED Projects Delivered in 2023 

The First of Its Kind

The Douglass - Washington, DC 

Redbrick LMD | ZGF Architects 

 

The Douglass is a 900,000-square-foot apartment development in the Bridge District of Washington, DC. With goals to achieve LEED Platinum and ILFI Zero Carbon, when completed, the building will be one of the most sustainable multifamily buildings in the country.

Rendering of The Douglass

200kW

Rooftop Solar Array and All-electric Mechanical System 

30%

Reduction of Carbon Emissions Projected
(New Construction Practice Benchmark)  

5%

Parking Reserved for

EV Charging 

78 of 747

Units Designated for Affordable Housing for Low- and Middle-Income Families

Green Research at HITT's Co|Lab

Co|Lab is HITT's dedicated research and development (R&D) facility located outside of Washington, DC. In 2023, our internal R&D team explored new materials and methodologies in sustainable construction that will be key to pursuing net zero on the new HITT headquarters building, set to deliver in 2027.

In 2023, we introduced prefab wall systems to explore alternative and more sustainable building materials to supplement existing Thermasteel panels at Co|Lab. Our exploration and research included testing various recycled and biomaterial options for construction viability, including:

  • Mushroom board made of mycelium 

  • Lamboo made from 100% bamboo 

  • Smile Plastics panels made from polyethylene terephthalate (PET) 

  • BAUX acoustic felt certified recycled PET

two people looking at building materials
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