Tools and Resources

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Portfolio Manager Technical Reference: EPA Water Score for Multifamily Housing in the United States

Last Updated: 08-27-2021

The objective of the water score is to provide a fair assessment of the water use performance of a property relative to its peers, taking operational characteristics of the property and impact of climate into account. A statistical analysis is performed to identify building parameters that are significant drivers of water use using multivariate regression analysis, resulting in an equation that predicts the Water Use Intensity (WUI) of a property. The actual WUI of a property is then compared with the predicted WUI to fit a distribution in order to yield a 1 to 100 percentile ranking of performance, relative to the national population.

Topic: Portfolio Manager
Resource Type: Technical documentation
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ENERGY STAR Score for Supermarkets/Grocery Stores (Canada)

Last Updated: 08-27-2021

The ENERGY STAR Score for Supermarket and Food Stores in Canada applies to supermarkets, grocery stores, food sales and convenience stores with or without gas stations. The objective of the ENERGY STAR score is to provide a fair assessment of the energy performance of a property, relative to its peers, taking into account the climate, weather, and business activities at the property. A statistical analysis of the peer building population is performed to identify the aspects of building activity that are significant drivers of energy use and then to normalize for those factors. The result of this analysis is an equation that predicts the energy use of a property, based on its experienced business activities. The energy use prediction for a building is compared to its actual energy use to yield a 1 to 100 percentile ranking of performance, relative to the national population.

Topic: Portfolio Manager
Resource Type: Technical documentation
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List of Portfolio Manager Property Types

Last Updated: 06-25-2021

Download this three-page list of property types available in ENERGY STAR® Portfolio Manager®. Portfolio Manager has more than 80 property types from which to choose when setting up your property. The expanded list of property types offers you the ability to define and categorize properties. View the list of Portfolio Manager property types, definitions, and use details for more information.

Topic: Portfolio Manager
Resource Type: Technical documentation
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ENERGY STAR Score for Hospitals (General Medical and Surgical)

Last Updated: 02-19-2021

The ENERGY STAR Score for Hospitals applies to general medical and surgical hospitals, including critical access hospitals and children’s hospitals. The objective of the ENERGY STAR score is to provide a fair assessment of the energy performance of a property relative to its peers, taking into account the climate, weather, and business activities at the property. To identify the aspects of building activity that are significant drivers of energy use and then normalize for those factors, a statistical analysis of the peer building population is performed. The result of this analysis is an equation that will predict the energy use of a property, based on its experienced business activities. The energy use prediction for a building is compared to its actual energy use to yield a 1 to 100 percentile ranking of performance, relative to the national population.

Topic: Portfolio Manager
Resource Type: Technical documentation
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Portfolio Manager Technical Reference: Estimating Fuel Mix and Energy Cost

Last Updated: 02-19-2021

When establishing energy performance targets early in a project’s design stage, exact fuel mix and energy costs are often not known. In these cases, Portfolio Manager and Target Finder will provide an estimated fuel mix and energy cost to help you assess how to reach your target performance level. Reference this 7-page document for information about using Portfolio Manager and Target Finder to estimate fuel mix and energy cost.

Topic: Commercial building design, Energy management guidance, Portfolio Manager, Technical reference, Target Finder
Resource Type: Technical documentation
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Portfolio Manager Technical Reference: Climate and Weather

Last Updated: 02-19-2021

The climate of the area where your property is located and the annual fluctuations you experience in weather conditions can affect how much energy you need to operate your buildings. Portfolio Manager includes metrics designed to incorporate these effects and help you understand your energy performance. These procedures rely on temperature data collected by weather monitoring stations and published by the National Climatic Data Center (NCDC), which is part of the National Oceanic and Atmospheric Administration (NOAA). To discuss how we use this data, it is helpful to introduce two concepts:

Topic: Portfolio Manager, Technical reference
Resource Type: Technical documentation

ENERGY STAR Challenge for Industry: BTU QuickConverter

Last Updated: 02-11-2021

Use this spreadsheet to easily convert common energy units to BTUs and Source Energy BTUs. If your site participates in the ENERGY STAR Challenge for Industry, you can use the total source MMBTU provided in the QuickConverter to track your energy use. Industrial sites who sign up for EPA's ENERGY STAR Challenge for Industry commit to improve their energy efficiency by 10% within five years.

Resource Type: Technical documentation, Campaigns, ENERGY STAR Challenge for Industry
Market Sector: General industrial/manufacturing
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Specification Language for Pursuing Energy Efficiency Goals for Commercial New Construction Projects

Last Updated: 02-10-2021

Use this six-page document to stipulate that a commercial new construction building project and the completed building meet the U.S. Environmental Protection Agency’s (EPA) energy performance criteria to achieve ENERGY STAR® certification.

Topic: Commercial building design
Resource Type: Technical documentation

2018 ENERGY STAR metric updates: All webinar recordings

Last Updated: 01-21-2021

The slides and recordings of completed webinars related to the 2018 ENERGY STAR metric updates are listed below.

Topic: Portfolio Manager, Portfolio Manager, ENERGY STAR score calculation details, Technical reference
Resource Type: Technical documentation
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Analysis and Key Findings from EPA's Review of the ENERGY STAR Score Model for Hotel Properties

Last Updated: 01-21-2021

This five-page report summarizes the results of EPA's review of the 1-100 ENERGY STAR score model for hotel properties.

Topic: Portfolio Manager
Resource Type: Technical documentation
Market Sector: Hospitality
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