The Refrigeration Service Engineers Society will host several educational sessions during its annual conference to be held Sept. 30-Oct. 2 at the Westin Calgary in Calgary, Alberta, Canada. The sessions cover topics such as: how to prevent or correct high humidity issues, pressure regulators and how they control the refrigeration system, and compressor system construction and failures. Contact Kirby Kirkpatrick at 800-310-6853 or by e-mail at for more information.