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.

Check out the SMARTScale implementation guide and toolkit

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Code & Policy

2015 IECC and IEBC (Base Codes)

Code & Policy / December 21, 2015 / Codes And Policy

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

SMARTScale

Online Tool / February 21, 2017 / Building Innovation, Deep Energy Retrofits / Existing Buildings

Introducing SMARTScale... In 2014, the US Department of Energy (DOE) awarded a grant to NBI partner Ecology Action to create and demonstrate a nationally scalable model targeted to utility and public benefits efficiency program operators for delivering deep retrofits in…

Research

Meta Report: A Search for Deep Energy Savings

Report / August 23, 2011 / Building Innovation, 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 / Building Innovation

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

Introducing SmartScale: a no-cost online implementation guide & toolkit for small commercial retrofit program planners and implementers

Webinar / December 15, 2016 / Outcome-Based Performance

Ecology Action and New Buildings Institute present SmartScale, a cost effective deep retrofit program for small and medium commercial buildings designed for replication in a wide-range of markets across the country. Market-tested with one of the largest municipal electric utilities,…

NewsView All

Driving Energy Efficiency in Small- and Medium-Size Buildings

News / August 10, 2016 / Building Innovation, Deep Energy Retrofits / Existing Buildings

Given the number of small and medium commercial buildings, there is urgency to increase energy efficiency in this sector. Luckily, advancing technology promises to help these buildings enjoy the savings that a retrofit can attain.

Blog PostsView All

Congressional Members Look at Reinventing Existing Buildings

Post / September 29, 2015 / Building Innovation, 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 / Building Innovation, 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...

Private: Retrofit Savings Estimator

Post / June 9, 2015 / Building Innovation, 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

There are no code & policy for Deep Energy Retrofits. Please see our other code & policy below.

2018 IECC Code

Code & Policy / September 14, 2016 / Codes And Policy, New Construction

Voting members, be sure to vote! The CDP voting period is November 8 through November 22. All votes are important, but be sure to review NBI’s Voting Recommendations and the following General Energy Efficiency Voting Recommendations before you vote. Final...

Energy Codes for Multifamily Buildings (Base Codes)

Code & Policy / March 9, 2016 / Codes And Policy / Policy

Multifamily poses a conundrum for energy regulation. Generally, these buildings are constructed and renovated like commercial buildings but used like residential buildings. As a result, regulation of multifamily buildings has been split between the residential and the commercial codes. The...

Steps to Achieving Outcome-Based Energy Codes

Code & Policy / December 22, 2015

Outcome-based energy codes, codes  require that a number of policy, data and administration pieces be put in place.  

Costs of Advanced Efficiency Measures in Commercial Buildings

Code & Policy / December 22, 2015 / New Construction

NBI has identified the following four studies as a general survey of the cost impact of increasing the level of energy efficiency in commercial new construction and major retrofits. This is not an exhaustive survey of cost material available, but...

zEPI

Code & Policy / December 22, 2015 / Zero Net Energy

The 2015 International Green Construction Code (IgCC) includes many progressive measures that will improve the energy performance of buildings. One important provision describes the Zero Energy Performance Index (zEPI), which provides a scale for measuring commercial building energy performance. zEPI...

Zero Net Energy Policies

Code & Policy / December 22, 2015 / Zero Net Energy

Policies and programs can dramatically change the landscape for Zero Net Energy (ZNE) buildings. There is burgeoning market interest in ZNE, and policies and programs can foster and grow that interest through leadership, direct support, and the reduction of risks and...

Aligning Utility Programs with Local Codes (Policy)

Code & Policy / December 22, 2015

Bringing energy codes to market often involves a comprehensive approach that starts years before a code is adopted by a local jurisdiction. NBI provides technical assistance through each stage of code development. NBI aggregates technical information from existing high performance buildings. Observed trends...

Outcome-Based Energy Codes

Code & Policy / December 21, 2015 / Codes And Policy

Our nation’s current energy codes include structural and enforcement characteristics that limit the ability to achieve significantly more energy savings without major changes. Current energy code strategies consider only a limited number of the factors that impact building energy performance. ...

2015 International Green Construction Code (Green Codes)

Code & Policy / December 21, 2015 / Codes And Policy

The International Green Construction Code (IgCC) is an effort of the International Code Council (ICC) aimed at creating a new green overlay code for the ICC’s suite of I-Codes.  The IgCC includes requirements for a range of issues pertinent to...

2015 IECC and IEBC (Base Codes)

Code & Policy / December 21, 2015 / Codes And Policy

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...

Model Energy & Green Codes

Code & Policy / December 19, 2015

NBI works collaboratively with a wide range of industry partners to bring model energy codes up to current market capabilities. Measures promoted by NBI include higher efficiency standards for equipment and advanced design strategies such as daylighting. Once adopted by states...

COMNET (Polcy)

Code & Policy / December 19, 2015 / Policy

NBI manages the development of COMNET, a quality assurance initiative to standardize building energy modeling, by creating consistent baselines relative to various energy codes and standards. COMNET extends and supports existing systems for assessing and rating the energy efficiency of...

White Paper on Establishing a Pathway to Outcome-Based Codes and Policies

Code & Policy / November 13, 2012

For several years, NBI has been engaged in wide‐ranging conversations about code stringency increases and the degree to which current code strategies can continue to achieve aggressive efficiency goals that have been targeted. We have come to recognize that current...

ResearchView All

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

Paper / April 23, 2013 / Building Innovation, 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…

Deep Energy Savings Presentation Slides

Presentation / October 26, 2012 / Building Innovation, 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 / Building Innovation, 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 / Building Innovation, 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 / Building Innovation, 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…

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 / Building Innovation, Deep Energy Retrofits, New Construction

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 / Building Innovation, Deep Energy Retrofits, New Construction

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 / Building Innovation, Deep Energy Retrofits, New Construction

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 “

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

Report / February 24, 2010 / Building Innovation, Deep Energy Retrofits, New Construction

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 / Building Innovation, Deep Energy Retrofits, New Construction

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 / Building Innovation, Deep Energy Retrofits, New Construction

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 / Deep Energy Retrofits, New Construction

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 / Building Innovation, Deep Energy Retrofits, New Construction

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 / Building Innovation, Deep Energy Retrofits, New Construction

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 / Building Innovation, Deep Energy Retrofits, New Construction

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 / Building Innovation, Deep Energy Retrofits, New Construction

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 / Building Innovation, Deep Energy Retrofits, New Construction

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.

Effective Ventilation in Multifamily Property for Optimal Energy Performance and Comfort

Webinar / May 30 @ 10:00 am - 11:00 am / Building Innovation, New Construction

This webinar will address the colliding issues of indoor air quality and energy efficiency. We will address the energy issues of ventilation and how to improve ventilation energy efficiency while maintaining and even improving indoor air quality. The focus will…

Prop 39 ZNE School Retrofit Pilot Case Studies

Webinar / May 31 @ 11:00 am - 12:00 pm / Zero Net Energy / Existing Buildings

This one-hour webinar will highlight two projects that demonstrate the proof-of concept in ZNE school retrofits: Newcastle Elementary School and Los Osos Middle School. Attendees will advance their knowledge of the stakeholder engagement, building assessment, design process, and technology applications…

2018 IECC Residential Code Training

Event / June 6 @ 8:30 am - 12:00 pm / Codes And Policy

NNICC and NBI are providing a half-day residential code training class in Nevada. Topics will include an overview of code requirements and compare the 2012 and 2018 IECC.

2018 IECC Commercial Code Training

Event / June 6 @ 1:00 pm - 4:30 pm / Codes And Policy

NNICC and NBI are providing a half-day commercial code training class in Nevada. Topics will include an overview of code requirements and compare the 2012 and 2018 IECC.

2018 IECC Commercial Code Training

Event / June 7 @ 8:30 am - 12:00 pm / Codes And Policy

NNICC and NBI are providing a half-day commercial code training class in Nevada. Topics will include an overview of code requirements and compare the 2012 and 2018 IECC.

2018 IECC Residential Code Training

Event / June 7 @ 1:00 pm - 4:30 pm / Codes And Policy

NNICC and NBI are providing a half-day residential code training class in Nevada. Topics will include an overview of code requirements and compare the 2012 and 2018 IECC.

Dreaming the Future: How Zero Net Energy Design Can Transform the School Environment

Webinar / June 13 @ 11:00 am - 12:00 pm / Zero Net Energy / Existing Buildings

Education is rapidly emerging as a leading sector among zero net energy (ZNE), high performance buildings. ZNE schools are highly efficient buildings that can meet all their energy needs with on-site renewable resources. Studies show that classrooms with sustainable attributes…

Delivering The Winning Pitch: Making the Business Case for ZNE Schools

Event / June 26 @ 9:00 am - 12:00 pm / Zero Net Energy / Existing Buildings

The zero net energy (ZNE) process can be daunting! Discover how the spark of an idea can ignite buy-in and fire-up key decision makers in the ZNE process. This three-hour session focuses on the business of creating ZNE in California’s…

SMUD Zero Energy for Existing Buildings Workshop

Event / June 26 @ 1:00 pm - 4:00 pm / Zero Net Energy / Existing Buildings

This workshop will outline best practice steps and approaches to comprehensively enhance the energy performance of existing buildings to ZNE. The workshop will investigate retrofit opportunities in individual buildings as well as how advanced benchmarking can help prioritize opportunities across…

Inefficiency is Old School: A Technical Deep Dive Into ZNE School Retrofits

Event / October 30 @ 1:00 am - 5:00 pm / Zero Net Energy / Existing Buildings

Attendees will advance their knowledge of the design process, technology application and approaches used in the Proposition 39 ZNE School Retrofit Pilot Program. The four-hour interactive workshop will highlight technical design features, technology packages and construction practices from the ongoing…

NewsView All

Driving Energy Efficiency in Small- and Medium-Size Buildings

News / August 10, 2016 / Building Innovation, Deep Energy Retrofits / Existing Buildings

Given the number of small and medium commercial buildings, there is urgency to increase energy efficiency in this sector. Luckily, advancing technology promises to help these buildings enjoy the savings that a retrofit can attain.

The Retrofit Savings Estimator

News / October 6, 2015 / Building Innovation, 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 / Building Innovation, 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 / Building Innovation, 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 / Building Innovation, 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...

System Control Offers Increased HVAC Efficiency For Smaller Buildings

News / September 23, 2014 / Building Innovation, Deep Energy Retrofits, New Construction

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 / Building Innovation, Deep Energy Retrofits, New Construction

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 / Building Innovation, Deep Energy Retrofits, New Construction

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 / Building Innovation, Deep Energy Retrofits, New Construction

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 / Building Innovation, Deep Energy Retrofits, New Construction

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 / Building Innovation, Deep Energy Retrofits, New Construction

Newsletter articles referenced 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. 5 Steps To Help You...

Tenants Look to Reduce Office Equipment Power Consumption

News / August 21, 2012 / Building Innovation, Deep Energy Retrofits, New Construction

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 / Building Innovation, Deep Energy Retrofits, New Construction

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 / Building Innovation, 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 / Building Innovation, 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 / Building Innovation, Deep Energy Retrofits, New Construction

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 / Building Innovation, Deep Energy Retrofits, New Construction

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

Cities Get Help to Prioritize Energy Upgrades, Improve Codes and Policies that Drive Better Building Performance

Post / April 21, 2017 / Building Innovation, Deep Energy Retrofits / Benchmarking & Feedback, Existing Buildings

Buildings are responsible for almost half of all U.S. energy consumption (46%), and poor-performing buildings have an outsized impact on energy use. But without a systematic approach to track building performance, it’s often difficult to know where to start. By setting...

Congressional Members Look at Reinventing Existing Buildings

Post / September 29, 2015 / Building Innovation, 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 / Building Innovation, 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...

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

Post / January 12, 2015 / Building Innovation, 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 / Building Innovation, 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 / Building Innovation, 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 / Building Innovation, 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 / Building Innovation, 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 / Building Innovation, 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 / Building Innovation, 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 / Building Innovation, 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 / Building Innovation, 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 / Building Innovation, 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 / Building Innovation, 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

Leading in LA

Guideline / August 28, 2017 / Building Innovation, Deep Energy Retrofits / Existing Buildings

Demonstrating scalable emerging energy efficient technologies for integrated façade, lighting, and plug loads New Buildings Institute is leading a major research project funded by the California Energy Commission in response to the critical need to greatly reduce energy use in…

SMARTScale

Online Tool / February 21, 2017 / Building Innovation, Deep Energy Retrofits / Existing Buildings

Introducing SMARTScale... In 2014, the US Department of Energy (DOE) awarded a grant to NBI partner Ecology Action to create and demonstrate a nationally scalable model targeted to utility and public benefits efficiency program operators for delivering deep retrofits in…

FirstView For Multifamily Factsheet

Guideline / May 21, 2015 / Building Innovation, 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.

Multifamily Energy Efficiency

Online Tool / May 27, 2014 / Building Innovation, 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…

Buildings have the potential to substantially improve energy performance

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

View Case Studies