The ENERGY STAR DataTrends series provides an in-depth analysis of the commercial building energy performance information currently housed in Portfolio Manager.

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This 12-page report summarizes the findings from a study on the financial benefits of energy efficiency in commercial office buildings. The study provides a detailed analysis of the benefits of using ENERGY STAR to achieve a high level of energy performance in commercial buildings. The benefits analyzed include significant direct financial savings from reduced energy use, persistent savings from improvements in energy performance, improved building occupancy, and higher building asset value.

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This study, co-authored by Co-Star and Burnham-Moores Center for Real Estate, provides some comparison data on ENERGY STAR and LEED certified buildings versus non-ENERGY STAR or Non-LEED certified office property from the entire United States using the CoStar data base. The results show the financial benefits of investing in sustainable real estate.

This 38-page report from Portland Energy Conservation Inc. (PECI) presents an overview of best practices in preventive operations, performance tracking, and scheduling.

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This 54-page report from Portland Energy Conservation Inc. (PECI) presents an overview of O&M assessments for commercial building HVAC, lighting and control systems. It discusses what an O&M assessment involves, how it differs from an energy audit, the value of hiring an O&M consultant, and what the benefits and costs are for performing an assessment. It also briefly describes the process and how an owner can increase the cost effectiveness of the process.

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This 26-page report from Portland Energy Conservation Inc. (PECI) presents an overview of best practices associated with the use of portable dataloggers. This document describes the importance and advantages of short-term diagnostic monitoring for building owners and managers. It also provides a sample of typical points to monitor, presents examples of data-logger findings (case studies), offers tips on how to choose a complete portable datalogging system, and gives a short list of companies that sell the products.

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This 46-page report from Portland Energy Conservation Inc. (PECI) presents an overview of the 15 best practices building owners and managers can employ to make their buildings more energy-efficient.

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In 2012, EPA hosted its third season of the ENERGY STAR National Building Competition to see which U.S building could cut its energy use the most. More than 3,000 buildings from all 50 states, two U.S. territories, and the District of Columbia battled the scale and each other. This easy-to-read 27-page report gives details about the competition and shows what steps many of the "biggest energy losers" took to cut their energy use.

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In response to a 2007 Congressional request, EPA developed this 133-page report to assess current trends in energy use and energy costs of data centers and servers in the U.S., and to outline existing and emerging opportunities for improved energy efficiency. It provides particular information on the costs of data centers and servers to the federal government and opportunities for reducing those costs through improved efficiency.

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This 2009 article from the National Electrical Manufacturers Association (NEMA) discusses why implementing energy efficiency projects contributes to an organization’s overall financial health and how ENERGY STAR tools and resources can help sell cost-effective energy efficiency improvements to decisionmakers.

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