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Commercial Distinctive

Unique distinctive public and private properties need to be preserved and protected.  The QUANTAPANEL Insulating Glass System provides the means to retain the original windows and provide the performance benefits of stat-of-the-art window technology.

Carnegie Hall (Lewisburg, WV) is a 1902 Historic Landmark in the heart of the Greenbrier Valley that underwent an energy improvement project in 2013. The architect specified the QUANTAPANEL®602-PW IGS (interior, fixed panel) to achieve state-of-the-art energy performance while being essentially invisible from the exterior and interior of the building.


Phoenixville Library (Phoenixville, PA) is a 1901 Andrew Carnegie building that was retrofit in 2012.  The architect selected the QUANTAPANEL® 502-PW IGS (exterior, low-e fixed panel) in a custom color to match the existing trim. This project included an upgrade in the HVAC system in addition to the state-of-the-art window technology.


The James Milliken Homestead (Decatur, IL) was built in 1876 and was the original home of James & Anna Millikin.  This historic property is adjacent to Milliken University, also founded by the Millikin’s.  In 2015, the original exterior storm windows were replaced with Custom Wood Architectural Low-e Storm Windows in a custom color to match the existing trim.  In order to replicate the detail of the original windows, a hard wood frame system was fabricated and outfitted with low-e glass technology.


Palmer Seminary Chapel (Philadelphia, PA) was repurposed into a medical office building in 2016.  The architect selected the QUANTAPANEL®602-PW IGS (interior, fixed panel) to achieve stat-of-the art energy performance and comfort while retaining the full beauty of the existing windows..  The large arched windows utilized a stacked configuration to simplify installation.

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