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ENERGY STAR Labeled Building Profile

Howard Hughes Tower
6701 Center Drive West
Los Angeles, CA 90045
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Arden's Howard Hughes Tower property located at 6701 Center Drive West, Los Angeles, California is a 329,228 rentable square foot building that is 97% occupied. As part of the company's ongoing energy efficiency program, Howard Hughes Center, constructed in 1986, was chosen as a candidate for the installation of a building wide retrofit. This addition was conceived as part of the overall efficiency enhancement at the property. A typical Arden lighting retrofit was accomplished by replacing T-12 light tubes with t-8 light tubes. Electronic ballasts were also installed. The incandescent and fluorescent exit signs were replaced with LED exit signs using only 2 watts per fixture. Also installed were occupancy sensors throughout the building to reduce unoccupied lighting energy. The Siemens Management System installed variable speed drives on all fans, load shedding, start/stop timing, and condenser water temperature. We control and reset the supply air temperature as well as the static pressure. In addition to all the lighting and mechanical upgrades, many no cost/ low cost measures were taken that reduced energy consumption.  These included:

Arden's engineering department recognizes the financial impact of electrical demand charges, and as such, targets their operations towards peak demands reduction. By monitoring electrical demand levels and establishing a peak target, the energy management systems are programmed to selectively reset equipment to keep the demand within defined limits while never compromising occupancy comfort.

The payback for these initiatives is approximately three and a half years with a marked increase in tenant satisfaction and comfort.

Arden Realty, Inc., with over 240 buildings in seven markets, is currently the largest commercial office landlord in Southern California, operating over 18 million rentable square feet with an additional 285,000 square feet under development. We have completed 32 HVAC plant retrofits, 47 EMS systems, 20 carbon monoxide sensor projects and 117 individual building lighting retrofits, including occupancy sensor installation. Arden Realty has also completed seven cogeneration plants and one solar photovoltaic array with a total capacity of three megawatts.

Communications:

Unavailable

Testimonial:

Unavailable


Please note: Narrative information in this profile has been provided by Arden Realty, Inc. 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:*
Arden Realty, Inc.

Property Manager:*
Arden Realty, Inc.

Year(s) Labeled (Rating):
2001 (76)
2002 (84)
2005 (75)

Facility Type: Office

Total Floorspace: 329228 sf

Year Constructed: 1986

Contract Type: None

Technologies Used:
Unavailable

For More Info:
Duane Lappinga
Los Angeles, CA 90025
310-996-2800
dlappinga@next-edge.com