Email   Password


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 55,000 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.
Click here for information on joining or to join ASHRAE

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 >
Standards, Research & Technology

Interpretations to Standard 15-1989

NOTE:  All documents linked from this page are in  PDF-format .

Interpretation IC 15-1989-1 – March 20, 1990 (Ref. requirements for low-side pressure relief on packaged chillers, especially whether pressure relief is required when a shell-and-tube, direct-expansion heat exchanger is used on the low pressure side)

Interpretation IC 15-1989-2 – August 23, 1990 (Ref. definitions for piping, pressure vessel, evaporator, evaporator coil, condenser, and condenser coil. It also refers to paragraph 7.5.1 concerning strength of miscellaneous pressure containing parts and paragraph 9.4.1 concerning pressure vessel relief)

Interpretation IC 15-1989-3 – April 1992  (Ref. requirements for relief pressure protection in Section 9)

Interpretation IC 15-1989-4 – June 9, 1992  (Ref. requirements in regarding refrigerant vapor alarms for Group 1 refrigerants)