The HVAC Marketing/Sales/Service Workshop, which will be held January 29, 2007 in Dallas, is designed to help those involved with HVAC marketing/sales/service develop a proactive marketing plan that will address the needs of engineers, contractors, and facility owners at various stages of the project life. The two-hour seminar, which will be presented by Engineered Systems' contributor Steve Liescheidt, author of the "HVAC Challenge" crossword puzzles, will be held concurrently with the AHR Expo. For more information, visit