Ellis Guiles presents at AIA Philadelphia Forum on Architecture and Design

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Curtain wall, historic window replacement, storefront, and interior glass moving along at Cristo Rey Philadelphia High School

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Complying with advanced carbon emissions regulations and energy code requirements of the future such as NYC’s Green New Deal

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commercial windows new construction
Energy performance of glass façade systems: Exceeding 30 to 40 percent window-to-wall ratio with the 2018 IECC

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president of building performance firm Graboyes Smart Buildings
Robert Debski named president of sister company Graboyes Smart Buildings

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historic window replacement
Architectural Glass Institute case study features our replacement of 6,688 historic windows at Philadelphia’s Alden Park

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historic window replacement
Dear Congress: Gutting the Historic Tax Credit is bad for our communities and our businesses

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Graboyes president Ellis Guiles named to advisory committee of Philadelphia 2030 District

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Metered Energy Efficiency Transaction Structure
A new approach to deep energy efficiency financing: Graboyes sponsors “Intro to MEETS” DVGBC event

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Automated building intelligence article by Graboyes’ president Ellis Guiles featured in Construction Today

An article written by Graboyes Commercial owner / president Ellis Guiles is featured in the [...]