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ENERGY STAR Labeled Building Profile

The Atrium at Rock Spring Park
6555 Rock Spring Drive
Bethesda, MD 20817
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Owned by Meritage Properties and managed jointly with Lincoln Property Company, 10401 Fernwood Road is a three-story, 250,000-square-foot office building in North Bethesda, Maryland. Designed by Skidmore, Owings & Merrill and completed in 1969, 10401 Fernwood Road was the first element of the Rock Spring Park office complex to be completed. It includes a three-story central atrium with skylights and two grand staircases, one at each end of the building. In 1993, two additional buildings were developed in the office complex. The architects for these buildings, Pei Cobb Freed & Partners, also renovated 10401 Fernwood Road's exterior, helping preserve the aesthetics of the campus.

The result of retrofitting and an aggressive energy management program, in which energy efficiency is a major factor in any equipment replacement decision, is that 10401 Fernwood earned the ENERGY STAR. For example, in the course of the 1993 exterior renovation, all of 10401 Fernwood's exterior glass was replaced with updated, low-E glass. HVAC systems in the property have been extensively retrofitted as well. Variable frequency drives (VFDs) have been installed on cooling tower fans and chillers, and on the property's six main air handling units. Climate control at 10401 Fernwood is also managed for energy efficiency, including controlling chillers to minimize startup and afternoon-peak demand. A cooling system plate and frame heat exchanger was installed in 2013 to take advantage of energy savings available during milder weather conditions. A parking garage was built in 2011 and was retrofitted with LED lighting in 2013. Finally, occupancy sensors, digital timers, and energy efficient LED and fluorescent lighting have been installed throughout the property, to help ensure that lighting is efficient and does not operate unnecessarily.





Please note: Narrative information in this profile has been provided by Meritage Properties 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:*
Meritage Properties

Property Manager:*
Lincoln Property Company

Year(s) Labeled (Rating):
2003 (78)
2004 (79)
2005 (89)
2010 (84)
2012 (80)
2014 (82)
2017 (91)

Facility Type: Office

Total Floorspace: 236012 sf

Year Constructed: 1969

Contract Type: None

Technologies Used:
   Stage 1-Recommissioning
   Stage 3-Load Reductions
   Stage 4-Fan Systems
   Stage 5-Heating and Cooling Plant