Codes & Policy / May 15, 2020 / Energy Codes

Final Approval is pending on significant updates in the 2021 International Energy Conservation Code (IECC), America’s national model energy code. NBI built on past success in the IECC process and deep experience in advanced energy code implementation in cities and...

Codes & Policy / February 13, 2019 / Energy Codes

The Zero Cities Project is a three-year project supporting both cities and their most impacted communities* to co-develop and implement actionable and equitable roadmaps and policy strategies to achieve a zero-net-carbon (ZNC) building sector by 2050. Through a community collaboration...

Codes & Policy / October 28, 2018 / Zero Net Energy (ZNE)

Building energy codes are playing an increasing in facilitating the move to ZE buildings. As advances in construction practices and building components and systems are proven out, communities are  strengthening the building codes so that higher levels of building efficiency...

Codes & Policy / October 15, 2018 / Energy Codes

New design and process strategies can be demonstrated through a variety of advanced code strategies.  NBI builds market capacity for higher efficiency energy codes by encouraging the use of stretch codes (also referred to as reach codes). To support the...

Codes & Policy / October 15, 2018 / Energy Codes

Many organizations and jurisdictions have adopted a range of building performance goals over the past decade that have significantly changed the conversation about energy codes and building energy performance.  The primary policy driver for the Washington State Energy Code increases in...

Codes & Policy / September 14, 2016

The 2018 IECC voting period ended in November of 2017. NBI demonstrated its leadership in codes by submitting proposals for the IECC that included a unified chapter for multifamily housing codes and a lighting measure to begin to tackle indoor...

Codes & Policy / December 21, 2015

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. ...

Codes & Policy / December 21, 2015

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...

Paper / March 26, 2020

This paper follows upon a recently published paper examining how climate policy now impacts energy code policy. A variety of drivers, including greenhouse gas emission goals, regulation, market forces, and new technologies, is changing the relationship between buildings and the…

Paper / February 20, 2020

Advanced energy codes are an important policy mechanism to advance energy efficiency and integrate renewables into the built environment. Energy code roadmaps lay the groundwork by identifying the order and priorities necessary for subsequent code improvements on the path to…

Paper / September 9, 2019

The critical first step in achieving a zero energy building is to set an energy use target. This Zero Energy Commercial Building Targets white paper helps define appropriate goals for these ultra-low energy buildings, which often surpass even the most…

Paper / August 27, 2018

This paper details how a range of stretch code efforts, working in parallel, contribute to the overall progress in energy savings, with many current stretch codes targeting 20% energy savings from ASHRAE 90.1-2013/2015 IECC. It also explores how stretch codes…

Paper / August 27, 2018

Amidst a backdrop of the Arab Oil Embargo of 1973 and a perception of physical limits on energy resources, the obvious policy imperative of a new generation of energy codes was to reduce the use of all types of energy.…

Paper / June 22, 2017

This white paper from New Buildings Institute (NBI) looks at the impacts of federal rules on efficiency standards for appliances, water heating and HVAC equipment and lays out possible solutions from an examination of policies from around the world. Decades-old…

Document / October 16, 2015

NBI presented the first public “straw-man” of a proposed section for multifamily buildings in the 2018 International Energy Conservation Code (IECC) to the Department of Energy's Denver Energy Codes Stakeholder Meeting on October 13, 2015.

Report / September 11, 2015

The purpose of this roadmap is to provide context for the policy and code performance goals for new buildings in Washington law and identify the mechanisms and cycles by which code provisions can evolve to meet these goals. These code…

Report / May 6, 2015

This report summarizes the work undertaken by a group of building industry thought leaders who gathered for a Performance Outcome Summit in August 2014 in Seattle, Washington. During a day and a half workshop, the group examined the opportunities, barriers…

Document / October 1, 2013

New Buildings Institute, Northwest Energy Codes Group, Institute for Market Transformation and Southwest Energy Efficiency Project identified seven key issues to ensure that the 2015 IECC improves energy efficiency, is easier to apply, and makes compliance and enforcement more straightforward.…

Document / April 24, 2013

The language included in the California Title 24-2013 Energy Standards for Non-Residential Buildings requiring certain FDD features in all new rooftop unit heating and cooling equipment of 5-ton capacity or greater starting in 2014.

Paper / September 7, 2012

In recent years, model energy codes – which traditionally require the implementation of specific measures and strategies at the time of new commercial and residential construction – have set the stage for large increases in energy savings as states and…

Paper / May 16, 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…

Report / July 27, 2011

This study compares the magnitude of energy impact that various design features, operations and tenant behaviors have on total building energy use. The findings of this study can help the building community begin to align their priorities with those building…

Report / May 16, 2011

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…

Paper / July 28, 2010

This paper observes that a key problem with current energy code practice is the difficulty in determining what level of performance the codes are delivering. Current energy code practice is based on estimated energy use of a theoretical sample of…

Report / January 21, 2010

In March 2007, New Buildings Institute (NBI) hosted and facilitated the Getting to 50 Summit. This meeting of 60 experts was initiated to develop relationships and strategies which will significantly and rapidly reduce energy use in new and renovated commercial…

Report / January 21, 2010

This is the first major study to provide real data about commercial building outdoor lighting in the State of California. The report identifies statewide outdoor lighting design practices; estimates energy demand and consumption; and provides a framework for outdoor lighting…

Webinar / October 20 @ 9:00 am - 10:30 am PDT

Natural gas accounts for over 50% of the recent carbon dioxide growth in the past few years, leading some policymakers to look at building decarbonization to meet local climate goals. Designers are seeking new technologies to reduce carbon and meet…

Webinar / October 29 @ 10:00 am - 11:00 am PDT

This is a Best of the Forum session. Take stock of the current state of the building technologies needed to drive decarbonization at scale. In this webinar, moderated by Clay Nesler, a report will be provided on Johnson Controls' recent…

Event / October 27, 2021 @ 8:00 am - October 29, 2021 @ 5:00 pm PDT

The Forum is the premier event on zero energy and zero carbon buildings, featuring the world’s leading experts who are creating the market-based solutions that are driving a growing movement to define the future of the built environment. While the…

News / October 14, 2020

Published by The Guardian: Some challenges to US climate action are obvious. But many more play out behind the scenes. One of those is the battle over efforts to make America’s new homes and buildings more energy-efficient. On one side...

News / August 28, 2020

Published by Energywire: Natural gas interests and housing developers will mount a last-ditch effort next week to prevent U.S. model building codes from including new provisions to promote the electrification of cars, stoves and water heating. Though voluntary and little...

News / February 25, 2020

Published by Engineering News-Record: The new International Energy Conservation Code (IECC), expected to be ready for adoption later this year, provides both residential and commercial builders more flexibility in making their projects more energy efficient and for the first time...

News / February 21, 2020

Published by Commercial Property Executive: One of the most influential documents for energy practices is on track for its next upgrade. The International Energy Conservation Code, widely used by public agencies as a model for building performance, has been received...

News / January 30, 2020

Published by Foresight: Two-thirds of countries do not have energy building codes. This needs to change if buildings are to become part of the solution to the climate crisis, argues Jim Edelson, Director of Codes and Policy at New Buildings...

News / January 20, 2020

Published by Concrete News: Approved 2021 International Energy Conservation Code ballot items will bring an estimated 10 percent or greater efficiency improvement for residential and commercial building envelopes in jurisdictions abiding the code. IECC changes will lower building energy use...

News / January 17, 2020

Published by The Driven: The leading international organisation for building codes and standards says that all newly constructed homes should be EV-ready, and guidelines have been recently accepted by US local governments to ensure electric vehicles (EVs) are taken into...

News / January 9, 2020

Published by Smart Energy International: New Buildings Institute has announced that US local governments have voted in favour of the new 2021 International Energy Conservation Code (IECC). The new standard is expected to bring an estimated 10% more efficiency improvement...

News / January 6, 2020

Voting results on the 2021 International Energy Conservation Code (IECC) are in, and the approved proposals will bring an estimated 10% or more efficiency improvement for both residential and commercial buildings that follow the IECC. These changes will lower building...

News / November 6, 2019

Published by facilitiesnet: For the first time ever, ASHRAE 90.1 will require commissioning. With about 100 other updates from the 2016 version, ANSI/ASHRAE/IES Standard 90.1-2019, Energy Efficiency Standard for Buildings Except Low-Rise Residential Buildings, has a reinvigorated focus on exceeding...

News / October 24, 2019

Published by NRDC: Buildings are responsible for about 40 percent of U.S. carbon emissions, and once built, they last a long time—60 to 100 years or more. To solve the climate crisis, we need buildings to use far less energy...

News / September 18, 2019

Published by NRDC: San José has successfully reached for a modern, more sustainable building energy code; its City Council voted to adopt requirements for builders that will provide San José residents with clean, affordable energy in buildings and make good...

News / September 5, 2019

Published by GreenBiz: The way we use energy makes a big difference in our lives in how safe, comfortable and productive we are. In addition to impacting our individual lives, energy use in homes makes up a large part of...

News / May 25, 2019

Published by Facility Executive Magazine: During the first week of May 2019, International Code Council (ICC) code hearings were held in Albuquerque, NM to determine which of the proposed code amendments will be considered for adoption in the 2021 model...

News / May 23, 2019

Published by NRDC: Code officials, builders, energy efficiency advocates, and others weighed in this month on proposals to update the next model building energy code. NRDC and many others submitted proposals to the International Code Council back in January, offering...

News / February 14, 2019

Published by NRDC: Building energy codes set minimum energy efficiency requirements for new and renovated residential and commercial buildings, which means buildings meeting the most updated code versions use even less energy to keep the lights on and their inhabitants...

News / October 22, 2018

Eric Makela, Associate Director, takes us on a journey through energy codes in a RESTalk interview. Learn how HERS raters influence the development of the IECC and more. Eric is the perfect tour guide, as he has spent the last...

News / September 14, 2018

Published by CityLab: Last month, 19 cities signed a declaration to make all new buildings carbon neutral by 2030. So what happens next? If cities are going to curb the rise of global temperatures to less than 2 degrees Celsius,...

News / March 1, 2018

Published by Metal Architecture: Energy codes are often thought of as bringing up the rear, preventing the worst from happening, but not as drivers of innovation. Randy Croxton, FAIA is famously quoted for his astute observation, “Building to code means...

News / February 26, 2018

Published by BuildingEnergy Magazine: For decades, local energy codes have defined the least efficient structure that could be legally built. Although codes have become stricter, they still fall short of industry experts’ recommendations toward zero-net energy. For projects that cannot...

News / December 15, 2017

Published in Green Energy Times (pages 26 & 27): ACEEE’s 2017 State Energy Efficiency Scorecard was released in late September with Massachusetts leading based on six categories including utility programs, transportation, building energy codes, combined heat and power, state initiative...

News / November 15, 2017

Published in Building Design + Construction: The 20% Stretch Code, a new set of standards developed by New Buildings Institute (NBI), offers a tool for accelerating the use of more energy efficient designs in new buildings.

News / November 10, 2017

Published in GreenBiz: Stretch codes are a promising solution that jurisdictions can use to drive better energy performance in the built environment and set a long-term vision for efficiency stringency in buildings further into the future. NBI released a model...

News / November 7, 2017

Published in FMLink: A number of cities and states across the United States have begun to recognize that the current code-based mechanisms in place do not provide the means to help them achieve their energy performance goals for buildings, according...

News / November 6, 2017

With increasing pressure to deliver on energy and climate action goals, cities and states are turning to more stringent building energy codes as an effective strategy to increase building energy efficiency and accelerate progress on outcomes. By adopting forward-looking stretch...

News / November 1, 2017

Published in Facility Executive: New guidance document provides jurisdictions with a new approach to shift the focus towards buildings’ actual, measurable energy results.

News / November 1, 2017

Outcome-Based Path for Codes Focuses on Results, Looks at Building’s Actual Performance A number of cities and states across the United States have begun to recognize that the current code-based mechanisms in place do not provide the means to help...

News / October 23, 2017

Published in Construction Executive: When it comes to energy efficiency in buildings, rapid technological advances are being undermined by outdated regulations. Decades-old federal laws currently prohibit states from setting energy standards for some of the most modern appliances, including heating...

News / September 1, 2017

Published in the Alliance Review, a Quarterly Journal of the National Alliance of Preservation Commissions: Sean Denniston, Senior Project Manager, provides an overview of the impact of the model energy code on historic resources. Many historic buildings are inherently energy...

News / June 29, 2017

Published in Snips Magazine Blog: Ralph DiNola, CEO of New Buildings Institute, recently told me about a decades-old bump in the road: federal preemption rules. The organization outlined this setback in its recent white paper, “Federal Preemption as a Barrier to...

News / June 22, 2017

White paper examines how the federal rule structure for appliances and HVAC equipment raise costs and limit improved energy performance Portland, OR—A white paper released today by New Buildings Institute (NBI) finds that federal preemption rules present a major barrier...

News / March 23, 2017

Jim Edelson, Director of Codes and Policy, is quoted in this article from facilitiesnet. This is the first of a four-part cover story, looking at how the current administration policy may affect energy policy for the road ahead. Moves in federal...

News / August 1, 2016 / Energy Codes

This article focuses on two innovations in development over the last decade in energy codes: outcome-based energy codes and zEPI. It also features a graphic from New Buildings Institute’s “Energy Performance of LEED for New Construction Buildings”, which highlights how...

News / April 5, 2016 / Energy Codes

Building on a multi-year, industry-wide effort to include an outcome-based pathway for energy compliance into the 2015 International Green Construction Code (IgCC), the National Institute of Building Sciences has introduced a similar proposal to be considered for inclusion in the...

News / October 29, 2015

Green building standards are influencing residential energy code, and vice versa. In this article published by Propane Jim Edelson, director of codes and policy at NBI, stated “It is likely that there will be a time in the next few...

News / January 4, 2015

An outcome-based approach assures that buildings actually achieve energy targets, while relieving technical pressures on code departments, reported Environmental Business News. The 2015 International Green Construction Code (IgCC) will have a compliance option based on an outcome-based approach, officials announced...

News / December 2, 2014

Cities and states looking at energy efficient buildings to help meet energy goals are getting a boost from the 2015 International Green Construction Code (IgCC), reported RealEstateRama. Four critical proposals that will drive significant improvements in building energy performance were...

News / November 25, 2014

November 24, 2014–Cities and states looking at energy efficient buildings to help meet energy goals are getting a boost from the 2015 International Green Construction Code (IgCC). Four critical proposals that will drive significant improvements in building energy performance were...

News / October 14, 2014

When Seattle’s Supply Laundry Building opened in 1906, building codes looked rather different than they do today. And energy codes weren’t yet a gleam in even the most progressive politician’s eye. These days, however, after a full renovation and a...

News / July 29, 2014

ConstructionPro Network reported that a proposed change to the International Green Construction Code (IgCC) could make it considerably easier for architects and engineers to make buildings more energy efficient. Among those supporting the proposed outcome-based compliance path in IgCC is...

News / June 3, 2014

Outcome-based pathway would focus on a building’s energy performance once in occupancy May 15, 2014—Owners and design teams working toward high energy performance buildings have a potential new ally in the International Green Construction Code (IgCC). The development committee reviewing...

News / April 2, 2014

An “Outcome-based Pathway,” was submitted as a proposed code change to the International Green Construction Code (IgCC). It appears in the monograph of IgCC proposed changes that the International Code Council released March 15, 2014 for public review. This pathway...

News / January 6, 2014

It’s time to increase our focus on building operations and occupancy issues. Mark Frankel, AIA, technical director for NBI and the Vision 2020 chair for Codes, Standards + Rating Systems wrote this article for EcoHome. Outcome-based policies, regulations, and incentives that...

News / October 29, 2013

Updates to the 2015 IECC update parameters for historic buildings and set guidelines for their renovation. This article, about the IECC changes that were proposed by a team of industry representatives that included New Buildings Institute, was recently published in...

News / October 22, 2013

Lighting controls and advanced HVAC also gain ground at 2015 IECC final action hearings October 17, 2013–Hearings to finalize the 2015 International Energy Conservation Code (IECC) wrapped up in Atlantic City last week with big wins for higher efficiency requirements...

News / September 23, 2013

Executive Director, Ralph DiNola is quoted in this recent article from Environment & Energy Daily about the energy bill put on the Senate floor, S. 1392. The Senate bill is about voluntary building codes and grant programs. DiNola notes the importance...

News / June 3, 2009

June 21, 2009–The Massachusetts Board of Building Regulations and Standards voted Tuesday to adopt a stretch energy code for the state that would make new commercial buildings under 100,000 square feet up to 30% more energy efficient than base standards...

Post / September 29, 2020

A building performance standard (BPS) provides a powerful solution for cities working to meet climate goals, achieve energy savings and reduce greenhouse gas (GHG) emissions. As a forward-looking policy for existing buildings, a BPS commits a city or state to...

Post / September 24, 2020

With cities and states pursing renewable portfolio standards and national calls to decarbonize the grid by 2035, does efficiency still matter with a clean grid? The first answer: yes, energy efficiency benefits are, as they have been for decades, delivering...

Post / July 28, 2020

Update: See final result In December 2019, more than 1,000 government representatives from cities and states across the U.S. did something remarkable when they voted to improve the 2021 International Energy Conservation Code (IECC) by 10%. Since buildings account for...

Post / July 13, 2020

With buildings accounting for up to 75% of carbon emissions in U.S. cities, addressing carbon emissions from the built environment is essential to meet the goals of the Paris Agreement and limit the rise in global average temperature to below...

Post / March 12, 2020 / Energy Codes

Update: See final result Better building codes mean lower energy bills, which results in lower costs for consumers and fewer carbon emissions for the planet. Sounds like a winning combination, right? That’s why we were delighted when the initial results...

Post / January 7, 2020

At the beginning of last year, we predicted that 2019 would be a big year for building energy codes, and the results are extremely promising for states—and cities which control their own energy codes–that are working to achieve climate action...

Post / November 20, 2019

After a lengthy stakeholder process, including recent public comment hearings in Las Vegas, registered voting members of the International Code Council (ICC) are now invited to weigh in on the 2021 International Energy Conservation Code (IECC) proposals. Updated every three...

Post / November 8, 2019

The 2021 International Energy Conservation Code voting dates are set! Voting begins on Tuesday, Nov. 19 and ends on Friday, Dec. 6. If you are a Governmental Member Voting Representative (GMVR), please read through these tips to help ensure it...

Post / October 31, 2019 / Energy Codes

Building code officials, sustainability officers, builders, efficiency advocates and others are leaving Las Vegas after attending the International Code Council’s (ICC) annual conference and public comment hearings on the 2021 International Energy Conservation Code (IECC). Updated every three years, the...

Post / October 30, 2019

Reducing carbon pollution and improving resilience in residential and commercial buildings across the United States was the topic of a House Select Committee hearing on the climate crisis last month. The hearing, “Solving the Climate Crisis: Cleaner, Stronger Buildings,” featured...

Post / October 23, 2019

The 2021 International Energy Conservation Code (IECC) update is one of the most profound ways states and local governments can improve the comfort and health of residents, reduce costs for building owners and residents, and make progress toward climate action...

Post / September 16, 2019

Hundreds of cities across the country have set bold, aggressive energy and climate goals. Yet most of these communities are not on track to meet their goals, according to the latest City Clean Energy Scorecard, released in July by American...

Post / August 22, 2019

State and local government representatives have the power to advance local energy codes and improve the comfort and health of residents by participating in and voting for efficiency proposals in the 2021 International Energy Conservation Code (IECC) update. But they...

Post / August 16, 2019

The U.S. Conference of Mayors (USCM) is known for tackling issues of national importance. Climate change is one of those critical issues that the mayors addressed at their 2019 annual meeting in Honolulu, Hawaii. On July 1, 2019, the USCM...

Post / July 23, 2019 / Zero Net Energy (ZNE)

As the building industry transitions into a new era — one focused on delivering carbon-neutral buildings — building codes will continue to play a critical role. This is the third in a series of blog posts about the transformation occurring within...

Post / June 12, 2019

From kilowatts to carbon, the language we use matters. Building sector policies and programs across the nation are in the midst of a critical shift from delivering energy efficiency in terms of kWh, to policies and programs that seek carbon...

Post / June 10, 2019

Code officials, architects, builders, engineers and energy conservation professionals gathered last month in Albuquerque for the International Energy Conservation Code (IECC)’s Committee Action Hearings. The proceedings were the first step in a lengthy stakeholder process to update the 2021 IECC,...

Post / April 17, 2019

With mounting evidence that immediate and aggressive action is necessary to address climate change, combined with a lack of leadership on this issue by the federal government, state and local governments are taking meaningful actions to adopt, honor, and meet...

Post / March 19, 2019

Cities face unrelenting demands on policy priorities. Affordable housing, transportation, economic development, climate action, and other pressing issues compete for limited resources and funds. Now is a moment in time, however, when the opportunity to make significant progress toward carbon...

Post / January 14, 2019

If there’s a defining theme for the building sector in 2019, it’s energy codes. Actions to update the rules that cities and states set to determine how effectively new residential and commercial buildings use energy are progressing on several fronts...

Post / December 5, 2018

Massachusetts, California and Rhode Island come out on top in the 2018 State Energy Efficiency Scorecard released this fall. The three states ranked high on six categories including utility programs, transportation, building energy codes, combined heat and power, state initiative and...

Post / May 23, 2018

This guest blog was originally published by Rocky Mountain Institute on May 22, 2018. How renewable energy can unlock customer savings and shareholder value in the Midwest Last Friday, Michigan’s two largest electric utilities, DTE Energy and Consumers Energy, announced...

Post / March 8, 2018 / Energy Codes

New Buildings Institute (NBI) has played an active and influential role in building energy codes since the day its doors opened in 1997. Jeff Johnson, one of its first executive directors, was an ardent codes advocate with a long track...

Post / November 16, 2017 / Energy Codes

by Ryan M. Colker, Vice President of National Institute of Building Sciences We all know what it takes to lead a healthy life—eat your vegetables, exercise, and visit your doctor to monitor your cholesterol, blood sugar, weight and blood pressure....

Post / November 6, 2017 / Energy Codes

This week, thousands of building industry professionals will converge at Greenbuild 2017 to share their excitement and progress advancing green buildings. While the number of green buildings—energy-efficient, zero energy, LEED and ENERGY STAR-certified, etc.—has grown dramatically over the last decade,...

Post / April 7, 2017

Indoor agriculture energy usage is projected to grow substantially over the next several years, driven in large part (but not entirely) by the legalization of medical and recreational cannabis. Seven U.S. states and the District of Columbia have legalized recreational...

Post / September 23, 2015

Energy codes are anticipated to play a big role in the building performance targets adopted by many jurisdictions to reduce carbon impacts from the building sector. But as codes target deep efficiencies, conventional code language and enforcement mechanisms face significant...

Post / April 6, 2015

Since its inception nearly 18 years ago, NBI has maintained a strong emphasis on energy codes. Current NBI staff and board members continue the focus established early on by the organization’s founders. We know codes make a difference—a big difference....

Post / December 30, 2014

What do the State of Vermont and NBI have in common (besides a soft spot for counterculture energy nerds)? I’d answer that both are small in stature but have built legacies around aggressively pushing for codes and policies that promote...

Post / November 25, 2014

As we move toward Thanksgiving this Thursday, the recent adoption of the 2015 International Green Construction Code (IgCC) gives cities and states a lot to be thankful for. Four critical proposals that will drive significant improvements in building energy performance...

Post / October 16, 2014

Just two weeks ago code officials and government representatives from across the country gathered in Fort Lauderdale for the Final Action Hearings on the International Green Construction Code (IgCC). Most notably for the energy-related sections of this model energy code,...

Post / September 17, 2014

What happens when compliance becomes a barrier to achieving energy performance in buildings? For over fifteen years, New Buildings Institute (NBI) has worked to advance energy codes in jurisdictions around North America. We’ve had some huge wins for higher efficiency...

Post / August 6, 2014

NBI is deeply involved in energy code development in the commercial sector, including pursing an Outcome-Based Compliance Path for the 2015 IgCC. With more than half of U.S. states still with outdated building energy codes, employing the power of persuasive...

Post / June 4, 2014

The U.S. Environmental Protection Agency (EPA) yesterday released its new Clean Power Plan proposal which is intended to cut carbon pollution from existing power plants–the single largest source of carbon pollution in the United States. New Buildings Institute (NBI) applauds...

Case Study / July 20, 2020

In 2015 the Cambridge city council voted to adopt a Net Zero Action Plan, requiring all city buildings to target net zero energy design by 2020. When the City issued the request for proposals for the new King Open/Cambridge Street…

Case Study / January 24, 2018

The mild climate in coastal cities such as Los Osos makes ZNE performance a realistic target with minimal needs for heating and cooling. It should however be noted that in such mild climates payback on upgrades to heating systems can…

Case Study / January 24, 2018

With funding from California’s Prop 39, the Newcastle Elementary School District (ESD) issued a request for proposal to develop an Energy Expenditure Plan for their district. With a long list of deferred maintenance issues and budget challenges, Newcastle ESD was…

Case Study / January 24, 2018

Garden Grove Unified School District (GGUSD) is a large, low-income school district that has recently become a regional leader in Zero Net Energy. Among California’s 140 school districts with greater than 65% for Free & Reduced Price Meals, GGUSD was…

Case Study / September 13, 2017 / HVAC

Several buildings with radiant heating and cooling systems were studied under a California Energy Commission EPIC research project in 2016-2017 and those case studies are available here. While forced-air distribution systems remain the predominant approach to heating and cooling in…

Case Study / March 8, 2017

The North Face corporate facility is part of the VF Outdoor Campus in Alameda, California. The VF Outdoors Headquarters occupies 14 acres of the Harbor Business Park and includes a 160,000-square-foot, four-building development completed in 2012. A fifth building is…

Case Study / March 8, 2017

Completed in 2014, the Environmental Innovation Center (EIC) in San José, CA, is a local government-owned education and environmental resources center that is targeting zero net energy (ZNE) performance. The project contains a 10,000-square-foot new building and a retrofit of…

Case Study / March 8, 2017

The California State Lottery District Office in Santa Fe Springs is a retrofit of an existing 12,840-square-foot warehouse and is one of the first state-owned and operated buildings to target zero net energy (ZNE). The Lottery partnered with LPAS Architecture…

Case Study / March 8, 2017

The Bagatelos Architectural Glass Systems (BAGS) manufacturing facility is a retrofit of a 1969 concrete warehouse that was renovated in 2008 to be a zero net energy (ZNE) building. The 63,000-square-foot Bagatelos Architectural Glass Systems manufacturing facility produces custom glass…

Case Study / March 8, 2017

435 Indio Way in Sunnyvale, California, was built in 1973 as a research and development laboratory and office for Hewlett Packard. Like many buildings in the Silicon Valley, it is a simple one-story, tilt-up that since 2006 had been left…

Case Study / December 13, 2016

The Jeffrey Trail Middle School is a new school in the Irvine Unified School District (IUSD). The school was designed and constructed to meet the Collaborative for High Performance Schools (CHPS) performance standards for exemplary energy and water conservation. With…

Case Study / December 13, 2016

The Georgina Blach Intermediate School, part of the Los Altos School District, Iocated in Los Altos, California, serves 450 students in seventh and eighth grades. Facilities at the school were unimproved since their construction in 1958, 1962-63 and 1978 and…

Case Study / December 13, 2016

The George V. LeyVa Middle School Administration Building was designed to be one of the first zero net energy (ZNE) public school buildings in California as well as the first zero net emissions public school building in California. This leading…

Case Study / December 13, 2016

The West Berkeley Public Library is the first verified zero net energy (ZNE) public library in California. Completed in late 2013, the 9,400-square-foot library produces as much or more energy than it consumes on an annual basis. To reach its…

Case Study / December 13, 2016

The San Francisco City College Multi-Use Building is a pioneering project for large, low-energy facilities. At 102,000 square feet, the building is one of the largest in the United States to rely nearly entirely on natural ventilation to meet fresh…

Case Study / October 10, 2016

The zHome multifamily complex was the first zero net energy project of its kind in the United States. This complex is made up of 10 units and a shared community area. The design approach of the project centered on energy…

Case Study / October 10, 2016

Gundersen Health System is the largest portfolio of buildings striving to reach zero net energy performance on a district wide scale in North America. The portfolio is made up of 45 new and existing buildings and spanning more than 2.5…

Case Study / December 23, 2015

Washington’s Department of General Administration supervised an energy system retrofit of Spokane’s Westlake State Hospital and then was responsible for verifying the energy savings resulting from the improvements. However, when the hospital’s energy management system experienced a partial loss of…

Case Study / December 23, 2015

EZ Sim showed its versatility and its accuracy when analyzing a building with run away winter energy bills. While the building was initially modeled using a traditional engineering method, EZ Sim provided a quicker alternative to identify the nature of…

Case Study / December 23, 2015

When a county building’s facility manager wanted to know if it was time to upgrade the building’s heat pumps, EZ Sim’s detective work helped to uncover more savings in more places than she bargained.

Case Study / December 23, 2015

The New England Regional Council of Carpenters (NERCC) represents 22,000 carpenters, pile drivers, shop and mill men, and floorcoverers working in the New England states.

Case Study / December 23, 2015

The Vermont Association for the Blind and Visually Impaired (VABVI), a non-profit organization founded in 1926, is the only private rehabilitation agency to offer free training, services and support to visually impaired Vermonters of all ages. VABVI offices are located…

Case Study / December 23, 2015

Fidelity Bank is one of the oldest and continually growing independent, local community banks in Central Massachusetts. In January 2007, the bank opened its new Corporate Center and Branch in Leominster, Massachusetts. The four-story building includes office space as well…

Case Study / December 23, 2015

Serving more than 1,800 students annually, the not-for-profit Duxbury Bay Maritime School aims to connect the community through educational and recreational programs with its primary resource, Duxbury Bay.

Case Study / December 23, 2015

Child and Family of Newport County (CF) is a nonprofit organization dedicated to strengthening families and communities through services such as preschool childcare, counseling, home care for the elderly and disabled, substance abuse education, home-based child welfare, transitional housing for…

Case Study / December 23, 2015

In September 2010, the Abraham Lincoln Elementary School opened its new green building, ready to accommodate 600 students. This new building includes masonry and steel construction, a 3,300 square foot state-of-the-art library and media center, a 5,700 square foot gymnasium,…

Case Study / December 23, 2015

Information about New Construction projects that have utilized Core Performance are available here and, when available, include links to case studies or project profiles.

Case Study / December 19, 2015

The Kenton County School District believes “schools should use less energy, demonstrate sound environmental practices and serve as a fundamental tool for learning.” Since the District had experience with a formal energy management program that saved over $2 million since…

Case Study / December 19, 2015

The Ramona is a mixed-use development in the urban Pearl District of Portland, Oregon. The building hosts 138 units of affordable housing and two educational facilities. Portland Public Schools rents 13,000 SF for programs for children ages 3 to 6.…

Case Study / December 19, 2015

TD Bank has been an environmental leader since 1990. As one of the ten largest banks in the United States, they chose to move beyond LEED certification to pilot a Zero Net Energy design for a retail bank branch in…

Case Study / December 19, 2015

The Dr. David Suzuki Public School combines readily available and demonstration technologies to create a school building that serves as a living laboratory for 550 students in Windsor, Ontario. The two-story kindergarten through 8th grade school includes classrooms, a gymnasium,…

Case Study / December 19, 2015

Rice Fergus Miller breathed new life into an abandoned 1948 Sears Automotive Center and positioned their new office solidly on the path to net zero. This urban infill transformation project took a dilapidated structure that had been abandoned for 23…

Case Study / December 19, 2015

The Putney Field House is located on a 461-acre parcel, with areas dedicated to forestry, education and agriculture. The site includes indigenous plantings and a production garden. The state-of-the art field house and wellness center was built to provide winter…

Case Study / December 19, 2015

The mission of the Leon County Cooperative Extension is to educate the community about research performed at the University of Florida through interactive opportunities and demonstration sites. A recent retrofit of their 13,000 SF office was the perfect opportunity to…

Case Study / December 19, 2015

The Anna Maria Historic Green Village is an unusual combination of historic restoration and modern technology. Owners Mike and Lizzie Thrasher have worked diligently to preserve four 100-year old buildings and merge history with state-of-the-art green technology, all while bringing…

Case Study / December 19, 2015

When the Exploratorium outgrew its old location at the Palace of Fine Arts, the City of San Francisco offered to provide Piers 15 and 17 on its historic waterfront as a larger relocation option for the science museum. After structurally…

Case Study / December 19, 2015

The Bacon Street Office project is a 4,500 SF retrofit of a single-story, 1950’s-era auto repair shop into a high performance office for the firm ARCHITECTS hannah gabriel wells. Through creative design strategies, renewable energy generation and with support from…

Case Study / December 19, 2015

When it came time to upgrade their training facility, the IBEW Local 595 and NECA chapters targeted net zero energy. They wanted to demonstrate that this goal was achievable and train their electrical contractors on the latest, cutting-edge energy efficiency…

Case Study / December 19, 2015

When the Packard Foundation started thinking about building a new headquarters, they wanted to make sure the final product reflected the organization’s values. These include conserving the Earth’s natural resources over the long-term, providing a comfortable and healthy space that…

Case Study / December 19, 2015 / Existing Buildings

The San Francisco Public Utilities Commission (SFPUC) headquarters is an ultralow-energy, Class A office building that pushes the norm in sustainable design. Located in downtown San Francisco, the 13-story building houses more than 900 employees who were previously located in…

Case Study / December 19, 2015 / Existing Buildings

The La Valentine North Townhome project is the result of a partnership between SMUD and the owner/developer of the project, Domus Development LLC. The 18-unit affordable multifamily development is a research and demonstration project in SMUD’s Townhouse Home of the…

Case Study / December 19, 2015 / Existing Buildings

Redding School for the Arts in Northern California connects education and arts for K-8 students in a community of 90,000 people. The school was originally created in August 1999 in response to the rapid decline of arts programs in local…

Case Study / December 19, 2015 / Existing Buildings

Acting as owner, designer and contractor, DPR rehabbed a near-obsolete, 1984 building into a vibrant, zero-net energy multi-tenant office. DPR’s new 24,000 SF tenant improvement includes an open office space along with 11 conference rooms, a large gathering area and…

Case Study / June 6, 2012

In March 2007, 31 staff at StopWaste.Org moved into a renovated building in downtown Oakland, California. Their goal was to transform a dilapidated, 14,000 SF, two-story structure into an attractive and environmentally responsible building. Built in 1926, the building is…

Case Study / May 21, 2012

Several organizations and companies have utilized the FirstView™ software to analyze building energy performance. Some have relied on FirstView software for diagnostics to lead them to potential areas for improvement, while others have used FirstView software as a way to…

Case Study / May 18, 2012

NBI's FirstView™ software and services have been used on over 200 LEED buildings involved in the U.S. Green Building Council’s Building Performance Partnership (BPP). BPP is a voluntary program designed to improve the performance of green buildings by providing a…

Case Study / April 27, 2012

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…

Case Study / April 27, 2012

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…

Case Study / April 27, 2012

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…

Case Study / April 27, 2012

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…

Case Study / April 27, 2012

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…

Case Study / April 27, 2012

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…

Case Study / April 27, 2012

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…

Case Study / April 27, 2012

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…

Case Study / April 27, 2012

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,…

Case Study / April 27, 2012

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…

Case Study / April 27, 2012

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…

Case Study / April 26, 2012

IDeAs’ new headquarters in San Jose, CA was designed to meet 100% of its net energy requirements using renewable energy from photovoltaics.

Case Study / April 25, 2012

This series of smaller buildings in San Rafael, CA reflects a contemporary vision that includes a strong commitment to environmental responsibility.

Case Study / April 25, 2012

This building serves as an administrative, educational, and social center for the Wampanoag tribe, which has inhabited Martha’s Vineyard for hundreds of years. The design approach embodies the traditional Native American belief system of interdependence and respect for nature.

Case Study / April 25, 2012

Achieving net-zero energy required a design that eliminated waste and maximized the use of renewable energy resources. This building in Rhinebeck, NY is purposely compact, organized to harvest daylight, solar energy, and cooling breezes to reduce energy needs

Case Study / April 25, 2012

For this two-story building in Cupertino, CA the design process moved through six steps to responsibly approach carbon neutral operation and roughly track increasing cost effectiveness.

Case Study / April 25, 2012

In Falmouth, MA a 19th-century summer home is respectfully adapted with the addition of a contemporary office, laboratory, and common spaces. The integration of passive-solar and energy-conservation strategies, optimal performance, and onsite renewable power generation make this building 83% more…

Case Study / April 25, 2012

Plano Elementary School serves 435 students in Warren County, Kentucky. The building includes 32 classrooms, 14 offices, six resource centers, media center, gym, server room, and cafeteria with kitchen. There are 20 public schools in this district and five of…

Case Study / April 25, 2012

One of the explicit energy goals for this building was to achieve net-zero carbon emissions on a recurring annual basis. The most significant strategies employed to maximize energy conservation focused on the building’s cooling, heating, and lighting systems. Due to…

Case Study / April 25, 2012

This training facility showcases the organization’s conservation activities. The LEED Gold rating reflects the mission of the Trustees of Reservations, which is “To preserve for public use and enjoyment, properties of exceptional scenic, historic, and ecological value in Massachusetts.”

Case Study / August 23, 2011

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…

Case Study / January 26, 2010

The Classroom and Office Building (COB) examined in this case study is one of five buildings in the initial phase of development at UC Merced. This case study examines the actual post-occupancy performance of COB in relation to design elements…

Case Study / January 26, 2010

Science & Engineering (S&E) Building I is one of five buildings in the initial phase of development at UC Merced. This case study examines the actual post-occupancy energy performance of S&E in relation to design elements and objectives.

Guideline / February 14, 2019 / Energy Codes

The 20% Stretch Code Provisions describe a set of code strategies that represent a 20% performance improvement for commercial buildings over the ASHRAE 90.1-2013 code baseline (and approximately similar savings over the IECC 2015 baseline) that can be adopted by…

Guideline / February 14, 2019 / Energy Codes

The 40% Stretch Energy Standard is a set of stretch code strategies that target 40% better efficiency in commercial buildings than current national model energy codes. Stretch codes, also called reach codes, provide an opportunity to introduce advanced practices in…

Guideline / June 4, 2018 / Energy Codes

In cities, the building sector is a major contributor to carbon emissions and energy use accounting for up to 40% of the total energy consumed. Some jurisdictions may have climate policies and climate action plans that set targets and lay…

Online Tool / May 16, 2018 / Energy Codes

The zero Energy Performance Index (zEPI) provides a scale for measuring commercial building energy performance and represents a fundamental shift in measurement of building efficiency as it sets energy targets for actual energy consumption rather than using a predictive energy…

Guideline / November 6, 2017 / Energy Codes

This summary document describes a set of code strategies that represent a 20% performance improvement for commercial buildings over the ASHRAE 90.1-2013 code baseline (and approximately similar savings over the IECC 2015 baseline).

Guideline / November 1, 2017

Adjustments and modifications to the built environment provide significant opportunities for meeting energy reduction goals and objectives, since buildings comprise 40% of our nation’s primary energy consumption. This document provides jurisdictions with a new approach to shift their focus towards…

Factsheet / September 15, 2016

Factsheet / September 14, 2016

Guideline / December 19, 2015

COMNET is 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 new commercial and multifamily…