Four seminars on “High-Pressure Centrifugal and Screw Compressors” and two seminars on “Electrical Troubleshooting” have been announced by the Refrigeration Service Engineers Society (RSES), to be held in various cities during 2000. For dates and locations, contact 847-297-6464; 847-297-5038 (fax); (website).

Construction Systems Co. (Peoria, IL) has announced its one-day “Improving Construction Productivity” seminar to be presented in several cities in early 2000. For dates and locations, contact 309-692-2370; 309-692-2371 (fax).

National Technology Transfer, Inc. (Englewood, CO) has released the Winter 2000 schedule for its “Fundamentals of Refrigeration & Air-Conditioning” three-day, hands-on seminar, offered in various cities around the country. For dates and locations, contact 800-922-2820; (Web site).

The Association of Energy Engineers has released its 2000 Catalog of Seminars, including a new certifica Seminars, including a new certification for hvac test and balance professionals. For more information, and dates and locations, contact 770-447-5083; (Web site).