- St. Louis Chapter ASHRAE P.O. Box 31368 St. Louis, MO 63131 (636) 343-9995 (voice) (636) 343-1413 (fax) April Meeting Recap Welcome to the ASHRAE St. Louis Chapter Website This web site is maintained by the St. Louis Chapter of the American Society of Heating, Refrigerating and Air Conditioning Engineers, Inc. ASHRAE chapters may not act for the Society and the information presented here has ...ashrae-stl.org