Many universities with ABET-accredited engineering programs subscribe to the or AccessEngineering platforms, which include the full 2023 ASHRAE Handbook.
Individual chapters or the full volume can be purchased through the ASHRAE Bookstore or the ASHRAE Technology Portal.
: Free access to view (but not download) popular standards like Standard 90.1 (Energy) and Standard 62.1 (Ventilation) on the ASHRAE Standards Page .
Overview of the 2023 ASHRAE Handbook — HVAC Applications