8,186 SF retail, 5 stories, 16 residential units


LEED Platinum



1115 H St in Washington, D.C. featuring INTUS Eforte, steel reinforced triple pane polymer window assemblies

Vince Harriman, the builder for 1115 H Street, said, “Building science considers windows to be one of any project’s top three considerations – envelope (wall type, windows and doors), air sealing and HVAC – meaning they determine so much of a project’s success.” In the case of 1115 H Street, the team defined success as energy efficiency, sensible economics and a strong building statement.

Developer Stan Wall said, “Economics were also important. A project needs to be rewarding for everyone involved – myself, the stakeholders, the contractors, the city. And I wanted to have some social impact. It was important to me to make green units accessible to the affordable housing population.” To ensure sensible economics, Harriman led a value-engineering process: “It included changing the nature of the building, but not the windows. Never the windows. We compromised on the façade to save money and meet energy goals, but it was critical to the team to keep the windows we wanted.”

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