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The 2023 volume is available in both and International System (SI) units. The 2023 edition is the result of hundreds
Technological advancement is a core theme of the updated handbook. It addresses the growing complexity of smart building automation and the Internet of Things (IoT), offering frameworks for more responsive and data-driven HVAC systems. Furthermore, the 2023 edition incorporates the latest findings on airborne pathogen mitigation, a priority that surged following the COVID-19 pandemic. By refining standards for ventilation and filtration, the handbook ensures that engineers are equipped to create healthier indoor environments without compromising energy goals.