Mark these events on your calendar.

July 21-24 -- ASME Summer Heat Transfer Conference, Rio All Suite Hotel & Casino, Las Vegas. Call (212) 591-7159 or visit www.asme.org/divisions.

August 17-22 -- 21st Congress International Institute of Refrigeration, Marriott Wardman Park Hotel, Washington. Call (302) 984-9450, ext. 10, or visit www.irc2003.org.

September 22-26 -- CEC-ICMC Conference, William A. Egan Civic and Convention Center, Anchorage, Alaska. Sponsored by CEC-ICMC. Call (303) 499-2299 or visit www.cec-icmc.org.

November 11-12 -- Refrigeration Training Seminar, Burr Ridge, Ill. Sponsored by Hansen Technologies. Call (800) 426-7368 or visit www.hantech.com.

November 18-20 -- 2003 Chem Show, Javits Convention Center, New York City. Produced and managed by International Exposition Co. (IEC). Call (203) 221-9232. Visit www.chemshow.com.