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 (System International) units of measurement. Contact Handbook Editor Heather Kennedy via e-mail at hkennedy@ashrae.org.
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Handbook Central
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Handbook Corrections
General Handbook Corrections - I-P Edition
General Handbook Corrections - SI Edition
Handbook Series Content
Composite Index to entire Handbook Series (Updated August 1, 2018)
2025 ASHRAE Handbook—Fundamentals
Description of the 2025 ASHRAE Handbook—Fundamentals
Table of Contents 2025 ASHRAE Handbook—Fundamentals
2024 ASHRAE Handbook—HVAC Systems and Equipment
Description of the 2024 ASHRAE Handbook—HVAC Systems and Equipment
Table of Contents 2025 ASHRAE Handbook—HVAC Systems and Equipment
2023 ASHRAE Handbook—HVAC Applications
Description of the 2023 ASHRAE Handbook—HVAC Applications
Table of Contents 2023 ASHRAE Handbook—HVAC Applications
2022 ASHRAE Handbook—Refrigeration
Description of the 2022 ASHRAE Handbook—Refrigeration
Table of Contents 2022 ASHRAE Handbook—Refrigeration
Handbook History
A Brief History of the ASHRAE Handbook
Translations of ASHRAE Handbook and ASHRAE Standards
ASHRAE supports the use of ASHRAE Standards and ASHRAE Handbook internationally. Procedures and policies are in place to promote such uses while protecting ASHRAE's intellectual property and technical credibility. Agreements vary depending on source of requests (ASHRAE chapters, Associate Societies, commercial publishers or other commercial firms, government, standards bodies, other associations, and educational institutions). ASHRAE also considers requests for translation of other ASHRAE books, articles, and papers. To request a translation agreement, contact Mark Owen, Publisher/Director of Publications & Education, at mowen@ashrae.org.
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Titles, Purposes and Scope