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ENERGY STAR Labeled Building Profile

1900 W Loop South
1900 West Loop South Suite 550
Houston, TX 77027
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The 3D/International Tower, located at 1900 West Loop South in Houston, Texas, is a 21-story, multi-tenant property at the corner of 610 and San Felipe. The property has been managed  and leased by Transwestern since 1999. Transwestern has lowered the facility?s energy consumption and cut operating costs by utilizing several  initiatives and upgrades such as:


-- Replacing the old Energy Management System with a Johnson Control Metsys system

-- Submitting for evaporation credits monthly with the City of Houston

-- Replacing the cooling tower with a new BAC 1,400-ton stainless steel pan

-- Installing new cooling tower softners to reduce water usuage

-- Completing structral repairs to garage worth over $300,000

-- Hiring an outside energy consultant who surveyed the building and found it to be running optimally


3D/International Tower has achieved ENERGY STAR certification for 10 years in a row. The facility?s current ENERGY STAR energy performance score is 94.




Unavailable --

Please note: Narrative information in this profile has been provided by 1900 WLS-RE LP 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.

Service Provider:

Building Owner:*
1900 WLS-RE LP

Property Manager:*
Transwestern (1900 WLS)

Year(s) Labeled (Rating):
2002 (75)
2003 (77)
2004 (75)
2005 (76)
2006 (76)
2007 (86)
2008 (87)
2009 (80)
2010 (87)
2011 (94)
2012 (88)
2013 (88)
2014 (88)
2015 (86)
2016 (88)
2017 (88)

Facility Type: Office

Total Floorspace: 423236 sf

Year Constructed: 1978

Contract Type: None

Technologies Used:
   Stage 1-Recommissioning
   Stage 2-Lighting
   Stage 3-Load Reductions
   Stage 5-Heating and Cooling Plant
   Other Technologies/Strategies