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ENERGY STAR Labeled Building Profile

One State Street
One State Street Suite 1750
Hartford, CT 06103
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Developed, owned, and managed by Hines, One State Street is a 24-story, 514,354-square-foot class A office building on the west bank of the Connecticut River in Hartford, Connecticut. Designed by Skidmore, Owings and Merrill, One State Street is clad in a combination of honed and polished Napoleon Red granite. Viewed from the east, the building curves smoothly away from the river, while from the land side, One State Street features a series of serrated setbacks, creating bright, airy interior spaces with windows on multiple sides. Inside, the building features a four-story lobby, elegantly finished in Italian travertine and Rojo marble. One State Street was completed in 1983, and received awards from the Building Owners and Managers Association (BOMA) in 1987, 1989, and 1999/2000.

In 1999, One State Street was among the first to earn the ENERGY STAR for superior energy performance through a series of upgrades and retrofits. On the lighting side, most building lighting fixtures were retrofitted with 25-watt T12 fluorescent lamps with electronic ballasts; the remainder of One State Street's lighting was retrofitted with T8/electronic ballast technology and LED technology has been employed for exit lighting. Compact fluorescent lamps (CFLs) are also widely used in the building. Upgraded lighting controls include occupancy sensors in restrooms and in more than 100 office spaces, photo cells in selected open garage areas, and automatic dimming of the high wattage lobby lighting.

The original building automation system (BAS) was replaced in 1990, improving building engineers' ability to limit One State Street's energy demand through state-of-the-art software and direct digital control (DDC). In addition, a variable frequency drive (VFD) was installed on the building chilled water pumps, allowing them to operate at levels that more closely match actual demand.

On January 1, 2004, One State Street commissioned its newly constructed central plant, which consisted of high efficiency chillers, VFD-equipped cooling towers, and gas-fired boilers. The design includes a plate and frame heat exchanger for chilled water production in the "free cooling" mode during the winter months as well as substantial periods of shoulder months.

Hines has been recognized with multiple ENERGY STAR Sustained Excellence and Partner of the Year awards. For a summary of the firm's participation in the ENERGY STAR program and other sustainability information, visit www.hines.com/sustainability.

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Please note: Narrative information in this profile has been provided by The Hartford Steam Boiler Inspection and Insurance Company or a representative of this facility. Other building information was verified and submitted to EPA at the time of application. Building energy performance, operating characteristics, and ownership/management may be subject to change over time.

Building Owner:*
The Hartford Steam Boiler Inspection and Insurance Company

Property Manager:*
Hines

Year(s) Labeled (Rating):
1999 (77)
2002 (82)
2006 (90)
2008 (87)
2010 (87)
2011 (91)
2012 (90)
2013 (91)
2014 (84)

Facility Type: Office

Total Floorspace: 514354 sf

Year Constructed: 1981

Contract Type: None

Technologies Used:
   Stage 1-Recommissioning
   Stage 5-Heating and Cooling Plant

For More Info:
John Jalbert
Engineering Manager
Hartford, CT 06103
860-525-8060
john.jalbert@hines.com