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Extracted Content
INDOOR ENVIRONMENTAL QUALITY (EQ)
OVERVIEW
Buildings are more than shelters. They offer stable environments with the power to enable human activities, foster heath, and cultivate safety and comfort. Through the Indoor Environmental Quality (EQ) credit category, LEED v5 offers a framework to create places where more people can thrive. The rating system refines well-established practices for air quality, thermal comfort, daylight and views, and acoustics, and incorporates holistic design considerations such as accessibility, adaptability, and responsiveness. Using these strategies, project teams can develop interiors that welcome and care for all occupants more effectively, adapt to changing conditions, and drive long-term value.
Decarbonization Decarbonization is integral for creating a more stable and predictable climate, as well as lasting social and economic value. The reduction in fossil fuel use from energy efficiency and renewable energy measures has the co-benefit of improved air quality, especially in base buildings located close to sources like power plants and highways. Through an IDP and collaborative planning, project teams can create interior spaces that are energy- and resourceefficient and human-centric.
Quality of life Human centric design is interwoven throughout EQ to foster diverse environments that enhance occupant well-being, improve health outcomes, and create more memorable, delightful spaces. LEED v5 builds on established approaches and also advances new, innovative pathways to address a broader range of human experiences and bolster occupants’ quality of life.
Good indoor air quality (IAQ) is a cornerstone of the EQ credit category. LEED v5 offers best practices for responding and adapting to regular or episodic indoor and outdoor air pollution, to reduce exposures and protect the health of occupants. Key methods to achieve that goal include improved filtration ( EQp2: Fundamental Air Quality ), designing management modes for wildfire smoke or respiratory diseases ( EQc4: Resilient Spaces ), and testing and monitoring air quality ( EQc5: Air Quality Testing and Monitoring ).
EQ credits provide additional options to support the well-being of workers and users of the space, including older adults and children, caregivers, and people with disabilities. For example, EQc3: Accessibility and Inclusion encourages careful design with best practices for physiological and neurological inclusivity, while EQp1: Construction Management outlines comprehensive construction management practices to reduce construction workers’ exposure to
U.S. Green Building Council LEED v5 Reference Guide for Interior Design and Construction, April 2025 Launch Edition 287