ASHRAE is an international society of more than 50,000 heating, refrigerating and air-conditioning professionals from over 132 nations dedicated to serving humanity and promoting a sustainable world.

Founded in 1894, ASHRAE is dedicated to advancing human well-being through sustainable technology for the built environment. The Society and its members focus on building systems, energy efficiency, …

ASHRAE Standards Addenda, Errata, and Interpretations Addenda for ASHRAE Standards, including continuous maintenance standards, are available online in PDF format.

ANSI/ASHRAE Standard 180-2018 -- Standard Practice for Inspection and Maintenance of Commercial Building HVAC Systems (ACCA Co-sponsored) >> Purchase print or PDF

Aug 1, 2018 · Learn about the ASHRAE Handbook and get resources on accessing, purchasing, commenting, contacting the Handbook staff and more.

ASHRAE is an international society of more than 50,000 heating, refrigerating and air-conditioning professionals from over 132 nations dedicated to serving humanity and promoting a sustainable world.

ASHRAE Standards Addenda, Errata, and Interpretations Addenda for ASHRAE Standards, including continuous maintenance standards, are available online in PDF format.

ASHRAE is an international society of more than 50,000 heating, refrigerating and air-conditioning professionals from over 132 nations dedicated to serving humanity and promoting a sustainable world.

ASHRAE certification is voluntary and reflects a commitment to excellence, lifelong professional development, and enhanced credibility within the HVAC&R community.

The ASHRAE co-sponsored AHR Expo is the world’s largest HVAC&R event of the year, packed with education sessions, the latest technology on the show floor, and thousands of industry professionals.