ASHRAE Handbook

The ASHRAE Handbook is published in a series of four volumes, one of which is revised each year, ensuring that no volume is older than four years. Each volume is available in I-P (Inch-Pound) or SI (Systeme International) units of measurement.

ASHRAE Handbook Online

Handbook Online

Subscribe to ASHRAE Handbook Online. A one-year subscription gives you

  1. Access to updated content between print revisions
  2. Extra information not available elsewhere (e.g., case studies, sidebar discussions)
  3. Ability to search over 3,600 pages of important technical information
  4. Copy, paste and print functions
  5. Access to both I-P and SI editions of all four current volumes
  6. Sound and video clips to better demonstrate processes and applications
  7. Spreadsheets to perform calculations
  8. Software or source code not otherwise published by ASHRAE
ASHRAE Handbook Online

Purchase current Handbook volumes

New! 2023 ASHRAE Handbook Volume--HVAC Applications I-P & 2023 ASHRAE Handbook Volume--HVAC Applications SI

See all ASHRAE Handbook Volumes

For ASHRAE Members: New ASHRAE members are entitled to a 20% discount on ASHRAE Handbook publications* any time during their first year of membership. Please contact ASHRAE Customer Service (800) 527-4723 (U.S. and Canada) (404) 636-8400 (worldwide) to learn more or to place your order at a discount.

New and renewing full dues paying Full Member and Associate grade members have the option to add the printed ASHRAE Handbook for a discounted rate of $70 (U.S.) and $89 (International) during the ASHRAE join and renew process. Pricing inclusive of shipping.

Browse and Download PDFs of Individual Chapters

2023 ASHRAE Handbook--HVAC Applications
2022 ASHRAE Handbook--Refrigeration
2021 ASHRAE Handbook--Fundamentals
2020 ASHRAE Handbook--HVAC Systems & Equipment