How to comment on the 2024 Residential IECC

Codes & Policy / November 8, 2022

The public comment draft of the 2024 residential IECC is now available and proposed recommendations could result in energy savings, a reduction in greenhouse gas emissions, and improved grid reliability benefits. Because of the potential impact of the code, this...

How to comment on the 2024 Commercial IECC

Codes & Policy / September 28, 2022

The public comment draft of the 2024 commercial IECC is now available and proposed recommendations could result in energy savings, a reduction in greenhouse gas emissions, and improved grid reliability benefits. Because of the potential impact of the code, this...

2024 IECC Code Change Proposal Updates

Codes & Policy / February 15, 2022

June 2022 Updates The full consensus committees approved several NBI code proposals, a number of proposals that will improve the efficiency of existing buildings including: CEPI-217 which requires existing buildings undergoing an addition, alteration or change of occupancy to be...

2024 IECC Code Change Proposal Synopsis

Codes & Policy / February 14, 2022

Below you will find summaries of the draft code amendments and links to revision details that were submitted by NBI into the ICC process to advance the 2024 IECC. They are identified as Commercial or Residential and categorized by efficiency,...

Embodied Carbon

Codes & Policy / February 13, 2022

Building operations and construction-related activities are responsible for approximately 39% of humanity‘s global greenhouse gas (GHG) emissions. More than a fourth of those are embodied carbon emissions, those associated with the production of building materials, construction activities, operations, and end...

Building Performance Standards

Codes & Policy / January 21, 2022

Building performance standards (BPS) set targets for existing building energy performance and are one of the best tools we have for achieving deep energy savings and emissions reductions in existing buildings. They can be written to optimize the energy use...

2024 IECC National Model Energy Code (Base Codes)

Codes & Policy / September 29, 2021 / Energy Codes

Work to update the 2024 International Energy Conservation Code (IECC) is underway. NBI submitted 50 proposals into the International Code Council’s (ICC) process to advance the 2024 IECC. The proposed amendments cover a wide range of measures and improve the...

Model and Base Energy Codes

Codes & Policy / July 16, 2021 / Energy Codes

For more than 20 years, NBI has been working with partners and within the code-making bodies to advance codes at the national, state, and local government levels. National model energy codes and standards like ASHRAE 90.1 and the International Energy Conservation Code (IECC) have...

2021 IECC National Model Energy Code (Base Codes)

Codes & Policy / May 15, 2020 / Energy Codes

After about a decade with few meaningful updates to the IECC, the 2021 improvements are poised to help the code catch up to modern-day building technology and practices, reducing millions of tons of carbon from entering the atmosphere while reducing...

Zero Cities Project

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...