The is the primary resource for engineers and designers regarding the use of HVAC&R equipment in various facilities. While the handbook is a paid publication, ASHRAE offers several ways to access it and provides related resources for free. Official Access to the 2023 Handbook
The 2023 volume is the volume. This is distinct from the Fundamentals (2021) or Equipment (2022) volumes. It focuses on how to apply HVAC systems to specific types of buildings and situations. 2023+ashrae+handbook+hvac+applications+pdf+free+updated