A Closer Look at LEED v5 and Its Impact on the Built Environment | By Eric Haggstrom, AIA, LEED AP, Fitwel Ambassador
Client & Project Themes | March 11, 2025

The next generation of LEED is bringing significant changes to the way the building industry approaches sustainability.
LEED v5 places an even greater emphasis on carbon reduction, resilience, and equity, pushing designers and owners to think more holistically about the long-term impact of the built environment.
In a recent Building Enclosure byline, JCJ’s Director of Sustainability Eric Haggstrom takes a closer look at the key updates to LEED v5 and what they could mean for the future of sustainable design. As the industry continues to explore programs such as Fitwel and Passive House, these changes reinforce the importance of innovation and measurable performance in creating healthier, more resilient buildings.
JCJ is committed to advancing sustainable design strategies across our work, including projects designed to achieve ambitious energy and carbon goals. Bullard Havens Technical High School in New Fairfield, CT, for example, will feature heating, cooling, and domestic water systems designed to achieve net-zero carbon emissions.