existing buildings: OPERATIONS + maintenance (ebom)

Hawaii USGBC Existing Buildings Operations & Maintenance Committee works to advocate, collaborate, and educate (A.C.E.) design strategies and best management practices (BMP's) for the operations and maintenance of existing buildings to the design professionals, the building industry, building owners, and the public for Hawaii's unique environment.

Our vision is to transform the way buildings are operated and maintained in order to reduce their: energy and water consumption, waste generation, carbon footprint and operating expenses while also increasing the building's value and creating healthier, more productive spaces for the building's occupants.


The built environment is responsible for over one third of the world's energy consumption and CO2 emissions and one the USGBC’s overarching goal is to change this fact! To achieve this goal, the stated mission of the USGBC is to transform the way buildings and communities are designed, built and operated, enabling an environmentally and socially responsible, healthy, and prosperous environment that improves the quality of life.

To help USGBC achieve our broader goal, the Hawaii Chapter of the USGBC must do more to help advance change within the existing built environment! Thus far, the USGBC has had tremendous achievement within the design and build communities, yet 99 percent of the nation's building stock is made up of structures that are already built or near completion. It is clear that there is great opportunity in improving the operational performance of existing buildings. The cost to implement such projects can be justified by potential in return on investment through decreases in operating expenses.

Preliminary research has also indicated that green buildings may benefit from enhanced lease-up rates, improved rental premiums, reduced vacancy, increased appeal to occupants and, ultimately, improved terminal property value. However, renovations of existing buildings can be complex, costly, and time consuming. In making these upgrades, many corporations and institutions will pursue certifications, like LEED EB O&M and Energy Star, while others will seek to improve their building operations without third party certifications.


LEED 2009 Reference Guide for Green Building Operations and Maintenance

LEED for Existing Buildings v2.0 Reference Guide


Committee Co-Chair

Ryan Rutenschroer

Committee Co-Chair

Greg Wong

Events Coordinator

James Hoapili

Research Coordinator

Paulette Feeney


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