That may sound pricey, but compare it to the cost of a design error (e.g., wrong chiller selection for a hospital) — the handbook pays for itself in one avoided mistake.
ASHRAE maintains strict copyright and digital rights management (DRM) on its handbooks to support its research and standards development. 2023 Ashrae Handbook Hvac Applications Pdf Free
No legal free PDF exists for the complete 2023 edition. However, ASHRAE offers a 7-day free trial (read-only online), and students can access via university libraries. That may sound pricey, but compare it to