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ASHRAE Membership

ASHRAE membership is open to any person associated with heating, ventilation, air conditioning or refrigeration. ASHRAE is unique because its membership is drawn from a wide range of disciplines relating to the HVAC&R field. Over 56,000 individuals from more than 100 nations belong to the Society.

Discounts on Publications

ASHRAE members earn 15% off publications. Hundreds of titles are available including the complete collection of ASHRAE Standards including 90.1, 62.1 and 189.1.

Develop Leadership Skills

When you join ASHRAE, you are making an investment in yourself. When you become active in the Society by giving your time and sharing your knowledge, you get even more out of that investment.

Network with Industry Professionals

Each month, all over the world, ASHRAE chapters convene for an informational program featuring a speaker or topic that is key to professionals in the industry. Meet with your peers and share ideas.
Need technical info? Search ASHRAE's Bookstore >
Resources & Publications

Redline Standards

Track Changes to ASHRAE Standards with new Redline Documents

Ever needed to see exactly what changed between a current ASHRAE standard and its previous edition?

Now you can.

ASHRAE has released dozens of standards as redline documents for sale online in the ASHRAE Bookstore. These redlines have been developed by Techstreet, ASHRAE's bookstore partner.

A redline indicates the changes made during the standards revision process between the active standard and its previous edition. Additions, deletions, and other formatting and content revisions are clearly displayed as underlined and strikethrough texts, ensuring all changes made between the two documents are quickly and easily identified.

View an example redline document

Use redlines to:

  • Identify updates in minutes, not hours
  • Effortlessly implement changes to procedures, equipment and products
  • Save time and resources

Purchasers who select the redline option upgrade will receive both the current standard and the redline version in print or digital format. Redlines compare the current standard to the previous original edition (OvO), excluding supplements.

These and other standards, available now: