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 Members: Looking for your membership copy of the 2018 Refrigeration PDF?


Handbook Online


Go to the ASHRAE Technology Portal, sign in, and click the Handbook icon. Full and Associate ASHRAE Members (not including Developing Economy Members) can choose PDF downloads as one of their membership benefits when they join or renew.


ASHRAE Technology Portal

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

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ASHRAE Handbook Volumes

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.

Browse and Download PDFs of Individual Chapters


2018 ASHRAE Handbook-Refrigeration
2017 ASHRAE Handbook-
2016 ASHRAE Handbook-
HVAC Systems & Equipment
2015 ASHRAE Handbook-HVAC Applications