Deep Energy Retrofits

Existing buildings represent the most significant opportunity for energy efficiency. As we upgrade our current building stock, deep energy retrofits can save energy and money.

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Code & Policy

2015 IECC and IEBC Development

Code & Policy / December 21, 2015 / Advanced Buildings, Deep Energy Retrofits

NBI and several other leading organizations proposed code revisions for a range of 2015 International Code Council codes (I-codes) including the International Energy Conservation Code (IECC) and the International Existing Building Code (IEBC). The purpose is to help the usability...

Tools & Guides

Retrofit Savings Estimator

Online Tool / July 28, 2014 / Deep Energy Retrofits / Existing Buildings

The Retrofit Savings Estimator was developed to help building owners and other users to quickly evaluate the potential energy savings associated with existing building retrofit strategies, and to identify the most promising retrofit strategies that should be part of a…

Research

Meta Report: A Search for Deep Energy Savings

Report / August 23, 2011 / Deep Energy Retrofits

A report from NEEA's BetterBricks program and New Buildings Institute investigates* 11 energy retrofits in existing commercial buildings that, on average, resulted in energy use 50% less than the national average – many with an energy use intensity (EUI) below…

Commercial Office Plug Load Savings and Assessment: Executive Summary

Report / January 24, 2012

This study characterizes electricity consumption of plug load devices in two LEED‐certified buildings in California and explores opportunities for plug load energy savings in office buildings. Findings from this field research suggest low- and no-cost savings opportunities through software, hardware…

EventsView All

Commercial Real Estate Market Test Assessment Webinar

Webinar / January 20 @ 11:00 am - 12:00 pm / Deep Energy Retrofits / Existing Buildings

NBI CEO Ralph DiNola and Project Manager Mark Lyles will be joined by NEEA representatives and a CRE executive to share their perspectives on some of the key findings and recommendations from the report, Commercial Real Estate (CRE) Market Test…

NewsView All

The Retrofit Savings Estimator

News / October 6, 2015 / Deep Energy Retrofits

Building owners considering an energy-efficiency upgrade now have a new tool to help them weigh their options and choose strategies that will optimize energy savings or target the biggest opportunities among a portfolio of buildings. NBI has released a beta...

Blog PostsView All

Congressional Members Look at Reinventing Existing Buildings

Post / September 29, 2015 / Deep Energy Retrofits

I had the honor recently of addressing members of Congress on opportunities for “reinventing” existing buildings to achieve high levels of energy efficiency and productivity. The morning briefing was hosted by the Alliance to Save Energy. Why existing buildings? (more…)...

What Commercial Real Estate Executives Think and Do About Energy Efficiency

Post / September 16, 2015 / Deep Energy Retrofits

The 2014 Northwest Commercial Building Stock Assessment estimates the size of the Commercial Real Estate (CRE) market in the Northwest to be 1.6 billion square feet–a market of existing buildings that are prime candidates for energy and carbon reductions through...

Retrofit Savings Estimator

Post / June 9, 2015 / Deep Energy Retrofits

NBI is happy to announce a new, free tool to help building owners and others quickly evaluate the potential energy savings associated with existing retrofit strategies. The Retrofit Savings Estimator is a web-based analysis engine that uses basic building information...

Codes & Policy

2015 IECC and IEBC Development

Code & Policy / December 21, 2015 / Advanced Buildings, Deep Energy Retrofits

NBI and several other leading organizations proposed code revisions for a range of 2015 International Code Council codes (I-codes) including the International Energy Conservation Code (IECC) and the International Existing Building Code (IEBC). The purpose is to help the usability...

ResearchView All

Enlighted Technical Proof of Concept Study

Report / August 28, 2013 / Advanced Buildings, Deep Energy Retrofits

This report represents the findings on research on the Enlighted wireless luminaire level lighting control system. New Buildings Institute (NBI) conducted the work on behalf of the Northwest Energy Efficiency Alliance (NEEA). The technical proof of concept study aimed to…

Indirect-Direct Evaporative Rooftop Unit Field Test Final Report

Report / June 26, 2013 / Advanced Buildings, Deep Energy Retrofits

As part of the Northwest Energy Efficiency Alliance’s (NEEA’s) investigation of new approaches to reducing commercial cooling electric energy use, New Buildings Institute (NBI) installed, monitored and analyzed the performance of a third generation indirect direct (IDEC) evaporative cooler on…

Establishing a Data Collection Methodology, Common Metrics and the Lighting Energy Code Comparison for Lighting Control Systems Research

Paper / May 23, 2013 / Advanced Buildings, Deep Energy Retrofits

Lighting systems with advanced lighting controls offer a pathway to savings, however they also create challenges. The integration of a projected code comparison method is imperative. In this paper NBI is proposing a consistent set of metrics along with a…

Rooftop HVAC FDD: Technology and Market Review with Energy and Demand Savings Estimates

Report / April 24, 2013 / Advanced Buildings, Deep Energy Retrofits

This report reviews and compares the characteristics and approaches for a variety of FDD tools in the market. Also identified are the technology protocols needed to identify faults and the criteria and energy savings estimates used for the inclusion of…

Final Research Summary Report: Skylight Modeling and Validation

Report / April 24, 2013 / Advanced Buildings, Deep Energy Retrofits

This report summarizes the findings for the Skylight Modeling and Validation project within the Evidence-based Design and Operation research program. This report was prepared as part of the California Energy Commission Public Interest Energy Research (PIER) program.

Final Research Summary Report: Rooftop Units FDD

Report / April 23, 2013 / Advanced Buildings, Deep Energy Retrofits

This report summarizes the findings for the Rooftop Unit FDD project within the Evidence-based Design and Operation research program. The project goals were to reduce the energy performance degradation in rooftop HVAC units (5-50 tons in size) in California and…

Enhanced Skylight Modeling and Validation

Report / April 23, 2013 / Advanced Buildings, Deep Energy Retrofits

This report details tasks, findings, and recommendations undertaken for the Enhanced Skylight Modeling and Validation project. The scope involved developing and validating computer simulation alternatives to physical measurements for producing optical daylighting system photometry. Findings indicate that it is possible…

Plug Load Methodology Paper and Case Study on PECI Office/Metrics Paper

Paper / April 23, 2013 / Deep Energy Retrofits

This guide provides building designers, real estate personnel and utilities with two fundamental ways for expressing energy use characteristics for commercial plug loads; preliminary ranges for high, median, and low calculations; and a summary of references for metering and monitoring…

A Method For Evaluating Diagnostic Protocols For Packaged Air Conditioning Equipment

Paper / February 6, 2013 / Advanced Buildings, Deep Energy Retrofits

Fault detection and diagnostic (FDD) tools are becoming more widely available for residential and light commercial air conditioning systems. The California Title 24 Building Energy Standard includes refrigerant charge and air flow diagnostic protocols and procedures, and energy efficiency programs…

Deep Energy Savings Presentation Slides

Presentation / October 26, 2012 / Deep Energy Retrofits

Cathy Higgins, NBI Research Director, presented at the Urban Land Institute's fall meeting in Denver, Colorado, on potential benefits from deep energy retrofits in commercial buildings and how such investments can contribute to a successful repositioning and help owners manage costs,…

A Search for Deep Energy Savings

Report / September 6, 2012 / Deep Energy Retrofits

Over the next two decades a majority of the existing building stock will undergo a renovation or equipment upgrade. This represents a critical intervention event for capturing significant energy savings from existing buildings. Through a careful examination of deep retrofits,…

Deep Energy Savings in Existing Buildings: Summit Summary

Report / February 28, 2012 / Deep Energy Retrofits

New Buildings Institute and the National Trust for Historic Preservation hosted a Deep Energy Savings in Existing Buildings Summit. The event convened 80 national experts in critical aspects of energy efficiency. The summit was a working meeting aimed at defining…

Meta Report: A Search for Deep Energy Savings

Report / August 23, 2011 / Deep Energy Retrofits

A report from NEEA's BetterBricks program and New Buildings Institute investigates* 11 energy retrofits in existing commercial buildings that, on average, resulted in energy use 50% less than the national average – many with an energy use intensity (EUI) below…

California HVAC Action Plan

Document / July 7, 2011 / Advanced Buildings, Deep Energy Retrofits

This action plan is designed to help California's HVAC sector achieve the goals described in the California Energy Efficiency Strategic Plan. It includes input from the strategic plan, along with contributions from California Public Utility Commission (PUC) Energy Division staff,…

Outcome-Based Energy Codes for Existing Buildings, Seattle Model Energy Code Project

Report / May 16, 2011 / Codes And Policy, Deep Energy Retrofits

The Preservation Green Lab (PGL), the City of Seattle, and the New Buildings Institute (NBI) are collaborating on a new energy code framework for existing and historic buildings that will pair accountability for actual performance outcomes with flexibility in how…

Final Advanced Rooftop Unit (ARTU) Product Specification

Report / February 3, 2011 / Advanced Buildings, Deep Energy Retrofits

This specification is proposed for commercial packaged rooftop units equal to or smaller than 135,000 Btu/h. It is intended to improve in-field energy performance for customers and utilities by increasing reliability, maintainability and performance/conditioning monitoring including advanced fault detection.

Commercial Rooftop HVAC Unit Retrofit Programs Phase 1

Paper / June 30, 2010 / Advanced Buildings, Deep Energy Retrofits

This report is a secondary research project examining data available on pilot and operating rooftop unit (RTU) retrofit programs around the country at the time and summarizes a variety of information on the topic. Included are discussions of technical issues,…

ARTU Cost Benefit Analysis

Paper / February 24, 2010 / Advanced Buildings, Deep Energy Retrofits

This document presents an analysis of the costs and benefits associated with the features of an advanced rooftop unit (ARTU). These features were identified in the “ARTU Product Definition Report” (AEC 2005).

Hot Dry Climate Air Conditioner (HDAC) Combined Field Test Report

Report / February 24, 2010 / Advanced Buildings, Deep Energy Retrofits

This field test consisted of site and AC selection, installation and replacement, performance monitoring, and data analysis. Standard baseline SEER 13 air conditioners were first monitored and then replaced with HDACs. Monitoring of the baseline and HDAC units were completed…

Building Controls in an Era of High Performance Buildings

Paper / February 17, 2010 / Advanced Buildings, Deep Energy Retrofits

This white paper, also known as "My Car Is Smarter Than Your Building," looks at the lessons controls-savvy cars can teach us about how high performance and enlightened controls standards can lead to more energy efficient buildings.

Advanced Metering and Energy Information Systems

Report / February 16, 2010 / Advanced Buildings, Deep Energy Retrofits

Under a project for the U.S. Environmental Protection Agency, NBI researched trends and new technologies in advanced metering as used in energy information systems (EIS).

Assessment of Market-Ready Evaporative Technologies for HVAC Applications

Report / January 28, 2010 / Advanced Buildings, Deep Energy Retrofits

NBI completed a report on the range of evaporative, evaporative hybrid and evaporative condensing technologies for HVAC applications on behalf of Southern California Edison including: technologies, manufacturers, market applications and adoption factors surrounding evaporative approaches to cooling.

Desert CoolAire Package Unit Technical Assessment: Final Report

Report / January 28, 2010 / Advanced Buildings, Deep Energy Retrofits

NBI conducted lab and field technical assessments of eight Desert CoolAire prototype indirect evaporative air conditioners on behalf of Northwest Energy Efficiency Alliance and Sacramento Municiple Utility District. Also see the 2007 Addendum with additional monitoring and equipment status.

Desert CoolAire Technical Assessment: 2007 Addendum

Report / January 28, 2010 / Advanced Buildings, Deep Energy Retrofits

NBI conducted lab and field technical assessments of eight Desert CoolAire prototype indirect evaporative air conditioners on behalf of Northwest Energy Efficiency Alliance and Sacramento Municiple Utility District. This addendum includes additional information about monitoring and equipment status. Also see the Final Report on…

Small HVAC Problems & Potential Savings Reports

Report / January 27, 2010 / Advanced Buildings, Deep Energy Retrofits

This document was one of the technical attachments to the final report of a larger research effort called "Integrated Energy Systems: Productivity and Building Science Program" as part of the PIER Program funded by the California Energy Commission (CEC) and managed…

Advanced Variable Air Volume System Design Guide

Report / January 26, 2010 / Advanced Buildings, Deep Energy Retrofits

The Advanced Variable Air Volume (VAV) System Design Guide (Design Guide) is written for Heating, Ventilation, and Air-Conditioning (HVAC) designers and focuses on built-up VAV systems in multi-story commercial office buildings in California. The Design Guide recommendations include best practices…

Windows and Classrooms: A Study of Student Performance and the Indoor Environment

Report / January 21, 2010 / Advanced Buildings, Deep Energy Retrofits

This study investigates whether daylight and other aspects of the indoor environment in elementary school student classrooms have an effect on student learning, as measured by their improvement on standardized math and reading tests over an academic year. The study…

Events

There are no events for Deep Energy Retrofits. Please see our other events below.

From Policy to Practice

Webinar / February 17 @ 10:00 am - 11:30 am / Zero Net Energy

Hear what leading states are doing to get their policies, practitioners and their own buildings to zero. The panelist shares the work of developing policies from ideation to implementation and the steps on their path to net zero.

Prop 39 Technical Training

Event / February 25 @ 10:00 am - 5:00 pm / Zero Net Energy / Zero Net Energy (ZNE)

Technical training for California.

Strategies for Getting to Zero

Webinar / March 16 @ 10:00 am - 11:30 am / Zero Net Energy

Building design teams often start with two key parts to get to zero: passive design strategies and the availability for the production of site renewables energy (often called the solar budget). These speakers will use projects to demonstrate how they…

Beyond a Building

Webinar / April 20 @ 10:00 am - 11:30 am / Zero Net Energy

With almost 5 million commercial buildings in the U.S., the path to zero energy must include approaches that scale across common ownership, physical areas and prototypes. This session addresses how, where and why portfolios, districts, and developments are joining together…

ZNE Policies within and Across Borders

Webinar / May 18 @ 10:00 am - 11:30 am / Zero Net Energy

The adoption of net zero policies are extending across regions, countries, and through government. This session will highlight the adoption reasons, efforts and planned impacts from European, Pacific Coast, Army and GSA net zero policies and action plans.

Getting to Zero National Forum

Event / October 12 - October 14 / Zero Net Energy

Join leading designers, owners, operators, commercial real estate professionals, policymakers, manufacturers and others to share perspectives on the growth of zero net energy (ZNE), discuss the policies driving new projects, engage in best practices for successful outcomes and collaborate on…

NewsView All

The Retrofit Savings Estimator

News / October 6, 2015 / Deep Energy Retrofits

Building owners considering an energy-efficiency upgrade now have a new tool to help them weigh their options and choose strategies that will optimize energy savings or target the biggest opportunities among a portfolio of buildings. NBI has released a beta...

Reliable Retrofit Analysis Anyone Can Do

News / September 29, 2015 / Deep Energy Retrofits

As we advance toward a more energy-efficient built environment, building owners are seeking guidance on how to maximize the energy performance of their buildings. Many owners are concerned about the cost and effectiveness of the tools necessary to achieve this...

These Small Business Segments Make Super Customers

News / July 17, 2015 / Deep Energy Retrofits

In 2013, Preservation Green Lab (PGL) and the New Buildings Institute (NBI) reported on seven small building segments with high energy savings potential: food service, main street buildings, freestanding offices, strip malls, schools, freestanding retail and lodging. This inspired Diana...

Tool to Assess Value of Building Retrofits

News / July 16, 2015 / Deep Energy Retrofits

BUILDINGS.com reported that a new web application can identify energy savings opportunities. The Retrofit Savings Estimator, created by NBI, uses general factors such as size, heating and cooling types, and building operation schedules as well as more technical details to...

New buildings database showcases growing market trend of low and zero energy buildings

News / December 10, 2014 / Advanced Buildings, Deep Energy Retrofits

December 10, 2014—Detailed information on North America’s most energy-efficient and zero energy buildings is now available online with the New Building Institute’s Getting to Zero Buildings Database. The database features more than 280 buildings from all climate zones across the...

System Control Offers Increased HVAC Efficiency For Smaller Buildings

News / September 23, 2014 / Advanced Buildings, Deep Energy Retrofits

Environmental Leader reported on new technology in heating, venting and air conditioning building automation systems for small- and mid-sized buildings. The article references a 2004 New Buildings Institute study, which found that 91 percent of the packaged rooftop units tested...

PECI tests New Buildings Institute’s plug load energy use metrics at HQ

News / November 6, 2013 / Advanced Buildings, Deep Energy Retrofits

Building Design + Construction reported, that NBI developed the first ever set of plug load energy use metrics, which will allow commercial building owners and managers to more easily gain insight into their buildings’ energy use and become more energy...

PECI helps affirm usefulness of new plug load metrics

News / November 6, 2013 / Advanced Buildings, Deep Energy Retrofits

Portland-based PECI used NBI metrics to assess plug load energy use at its First and Main Building headquarters in downtown Portland. The study inspired an energy-saving campaign that resulted in an 18 percent kWh reduction of PECI’s plug load reports...

Energy Management Trends: The Power Of Plugs

News / September 30, 2013 / Advanced Buildings, Deep Energy Retrofits

An article written by Cathy Higgins, Research Director, and Dan Harris, P.E. was published by Today’s Facility Manager. The article reports that plug loads are the fastest growing energy use item in commercial buildings and can represent as much as...

Enlighted’s Technology Increases Employee Comfort and Reduces Lighting Power by 59% at Fred Hutchinson Cancer Research Center

News / July 30, 2013 / Advanced Buildings, Deep Energy Retrofits

MarketWatch reported that NEEA, NBI and Enlighted collaborated on a study that found when given the option, individuals chose less light. Organizations could substantially reduce their utility bills while improving employee satisfaction. (7/23/2013)

Commercial Plug Loads

News / October 19, 2012 / Advanced Buildings, Deep Energy Retrofits

Several newsletter articles reference NBI’s “Commercial Office Plug Load Savings Assessment“. The study reveals details about actual energy consumption of common plug loads and measured savings of 40 percent or more resulting from low-cost efficiency measures. How much do they...

Tenants Look to Reduce Office Equipment Power Consumption

News / August 21, 2012 / Advanced Buildings, Deep Energy Retrofits

Commercial Property Executive Magazine’s plug-load management article quotes Amy Cortese, Senior Project Manager, and includes the 5 steps for reducing energy used by electronic devices from the Plug Load Best Practices Guide. (8/21/2012)

New guide outlines best practices for cutting energy used by plug-in devices

News / July 19, 2012 / Advanced Buildings, Deep Energy Retrofits

July 19, 2012–The number of things office workers plug into the socket is growing rapidly. To help commercial building owners and occupants get control of the energy used by office equipment and other electronic devices, New Buildings Institute (NBI) today...

Energy-Saving Deep Retrofits at Negligible Cost?

News / June 19, 2012 / Deep Energy Retrofits

Deep retrofits with energy savings topping 30 to 50 percent result only from energy efficiency strategies that affect multiple building systems, reports Urban Land. This article references NBI’s work in the study A Search for Deep Energy Savings. (6/18/2012)

Deep Retrofits Promise Positive Returns

News / June 19, 2012 / Deep Energy Retrofits

Deep retrofit examples, their strategies, related benefits, and their potential are described in an article published in Building Operating Management. These examples are drawn from NBI’s study A Search for Deep Energy Savings and include comments from Mark Lyles, NBI Project...

Lab Report: XXVIII

News / May 23, 2012 / Advanced Buildings, Deep Energy Retrofits

New ways of envisioning architecture, design, and construction are discussed in this blog by MetropolisMag.com and they mention research done by NBI. This research can be found in the report Energy Performance of LEED for New Construction Buildings. (5/22/2012)

Daylighting as a Cost-Effective Solution

News / March 7, 2012 / Advanced Buildings, Deep Energy Retrofits

Existing buildings can maximize sunlight use without making structural changes. In this article, from Buildings, Barb Hamilton, Senior Lighting Manager for the NBI, offers three strategies to maximize daylight and minimize artificial light. (2/24/2012)

Blog

Congressional Members Look at Reinventing Existing Buildings

Post / September 29, 2015 / Deep Energy Retrofits

I had the honor recently of addressing members of Congress on opportunities for “reinventing” existing buildings to achieve high levels of energy efficiency and productivity. The morning briefing was hosted by the Alliance to Save Energy. Why existing buildings? (more…)...

What Commercial Real Estate Executives Think and Do About Energy Efficiency

Post / September 16, 2015 / Deep Energy Retrofits

The 2014 Northwest Commercial Building Stock Assessment estimates the size of the Commercial Real Estate (CRE) market in the Northwest to be 1.6 billion square feet–a market of existing buildings that are prime candidates for energy and carbon reductions through...

Retrofit Savings Estimator

Post / June 9, 2015 / Deep Energy Retrofits

NBI is happy to announce a new, free tool to help building owners and others quickly evaluate the potential energy savings associated with existing retrofit strategies. The Retrofit Savings Estimator is a web-based analysis engine that uses basic building information...

FirstView® for Affordable Multifamily – Looking for Partners, Building Data, and Pilot Testers

Post / January 12, 2015 / Deep Energy Retrofits

Most commercial buildings have little or no easy-to-access energy performance feedback data. New Buildings Institute has drawn on its broad field experience and a deep well of building data to develop software to solve this problem. FirstView is NBI’s web-based...

New buildings database offers important lessons on achieving low-energy buildings

Post / December 9, 2014 / Deep Energy Retrofits, Zero Net Energy

There is no better teacher than experience and now NBI has over 280 experiences to share through its new Getting to Zero Buildings Database. The database officially released today offers a dynamic way to find in-depth case studies about high...

Northwest cities get help from NEEA to address worst performing buildings

Post / November 20, 2014 / Deep Energy Retrofits

Existing buildings with aging equipment and infrastructure represent a tremendous opportunity for energy savings. But, without a mechanism to identify inefficient buildings and prioritize budgets for upgrades, it’s difficult to know where to start. Under a pilot program, funded by...

Government Leadership Creates Powerful Action on Deep Energy Efficiency and Climate Change

Post / April 9, 2014 / Deep Energy Retrofits

Vermont, California, Kentucky, Pima County, Salt Lake City, Fort Collins, Washington DC. These communities are among those leading by example in setting zero net energy (ZNE) goals for both local policies and their own government buildings. Policymakers in these jurisdictions...

Case StudiesView All

Lovejoy Building Case Study

Case Study / April 27, 2012 / Deep Energy Retrofits

In Portland, OR a retrofit of the existing load-bearing brick structure required a major seismic upgrade in this building. The architects used this as an opportunity for an integrated response to advanced structural upgrades, enhanced user thermal comfort and improved…

Johnson Braund Design Group Case Study

Case Study / April 27, 2012 / Deep Energy Retrofits

Johnson Braund Design Group (JBDG) in Seattle was able to dramatically improve their building’s energy performance, reduce operating costs and provide a test ground for energy-efficient design strategies to influence its clients. The JBDG Building now uses 69% less energy…

Christman Building Case Study

Case Study / April 27, 2012 / Deep Energy Retrofits

The Christman in Lansing, MI is one of the few Triple LEED Platinum buildings designated by the USGBC LEED Program. The building is located in a climate zone comparable to Montana, northeast Washington and eastern Idaho, and its age and…

Aventine Case Study

Case Study / April 27, 2012 / Deep Energy Retrofits

The Aventine in LaJolla, CA is a certified LEED Existing Building Platinum and has an Energy Star rating of 100, the highest possible, and uses just 23 kBtus/sf, 75% less than the national average for offices. Retrofits addressed high-energy loads…

1525 Wilson Boulevard Case Study

Case Study / April 27, 2012 / Deep Energy Retrofits

This all-electric building in Rossyln, VA used a combination of energy efficiency strategies, including replacing HVAC and lighting systems and providing tenant education. Energy use was reduced by 35% in just one year, resulting in savings over $250,000 on energy…

Mercy Corps Headquarters Case Study

Case Study / April 27, 2012 / Deep Energy Retrofits

This building in Portland, OR is 50% historic renovation and 50% new construction. The information in this profile addresses both the renovated and the new parts of the building. Pursuing energy efficiency supports their mission of sustainability, and lower operating…

Home On The Range Case Study

Case Study / April 27, 2012 / Deep Energy Retrofits

This Project Profile builds on a case study prepared by USGBC, including data on energy performance for one year, and provides updated owner feedback and energy use data. The actual energy use of the building in Billings, MT, is 46 kBtu/sf/yr, 51% better than the…

Beardmore Building Case Study

Case Study / April 27, 2012 / Deep Energy Retrofits

The Beardmore in Priest River, Idaho has the distinction of being one of the few buildings in the country that is both LEED Gold certified and on the National Register of Historic Places. The project demonstrates a very successful renovation…

200 Market Building Case Study

Case Study / April 27, 2012 / Deep Energy Retrofits

The 200 Market building in Portland, OR, has made continuous energy retrofits and system improvements. These efforts have moved the building from an ENERGY STAR score of 79 in 2006 to a score of 98 (out of 100) in 2010,…

Joseph Vance Building Case Study

Case Study / April 27, 2012 / Deep Energy Retrofits

Since its acquisition, significant investments have been made to renovate this building in Seattle to improve energy efficiency and environmental performance, as well as tenant experience. Occupancy increased from 68% to 96% and has seen increased rents, tenant retention and…

Alliance Center Case Study

Case Study / April 27, 2012 / Deep Energy Retrofits

The Alliance for Sustainable Colorado launched a project titled “Modeling a Net Zero Future: Energy Efficiency in Existing Buildings” to explore options that will enable it to approach a zero-net energy goal. Several documents developed for the project are referenced…

A Case For Deep Savings: 11 Case studies of Deep Energy Retrofits

Case Study / August 23, 2011 / Deep Energy Retrofits

For NEEA’s BetterBricks program, New Buildings Institute investigated* 11 examples of energy retrofits in existing commercial buildings that, on average, use 50% less energy than the national average – most with an energy use intensity (EUI) of less than 40…

Tools & Guides

FirstView For Multifamily Factsheet

Guideline / May 21, 2015 / Deep Energy Retrofits

NBI’s FirstView® enables building owners, energy efficiency professionals and designers to extract more targeted and useful energy performance information from basic data inputs. Learn more with this factsheet.

Retrofit Savings Estimator

Online Tool / July 28, 2014 / Deep Energy Retrofits / Existing Buildings

The Retrofit Savings Estimator was developed to help building owners and other users to quickly evaluate the potential energy savings associated with existing building retrofit strategies, and to identify the most promising retrofit strategies that should be part of a…

Multifamily Energy Efficiency

Online Tool / May 27, 2014 / Deep Energy Retrofits

Multifamily buildings offer a largely untapped opportunity for improving energy efficiency. Despite tremendous potential for savings, the multifamily market is hard to penetrate due to complexities in market structure and split incentives. More and more attention is being paid to…

What Are Advanced Lighting Guidelines (ALG)?

Factsheet / February 28, 2013 / Advanced Buildings, Deep Energy Retrofits

With rising demand for green building, lighting design professionals are called upon not only to deliver great lighting plans but also to incorporate the most advanced, energy-saving strategies and technologies. For nearly two decades, the Advanced Lighting Guidelines (ALG) has…

Small HVAC System Design Guide

Guideline / January 26, 2010 / Advanced Buildings, Deep Energy Retrofits

This document provides design guidance on how to improve the installed performance of small packaged rooftop HVAC systems in commercial buildings. It is targeted at architects, engineers, and design/build contractors involved in the design of small packaged rooftop systems for commercial…

Windows and Offices: A Study of Office Worker Performance and the Indoor Environment

Guideline / January 21, 2010 / Advanced Buildings, Deep Energy Retrofits

This study reports on a statistical investigation into the influences indoor physical environment has on office worker performance, especially daylight and view, and secondarily ventilation and thermal comfort. Two different studies were conducted at the same organization, the Sacramento Municipal…

Buildings have the potential to substantially improve energy performance

View case studies on deep energy retrofits with 50% savings.

View Case Studies