Wringer® systems are designed to take in 100% of the outdoor air, wringing out excess moisture and supplying dry, neutral air to build-ings, the manufacturer says. According to the company, Wringers are suitable for use in public spaces, meeting ventilation requirements recommended by ASHRAE 62-1999. Models are available to 20,000 cfm, with or without heat recovery.
Des Champs Laboratories, Inc., P.O. Box 220, Natural Bridge Station, VA 24579; 540-291-1111, 540-291-2222 (fax); firstname.lastname@example.org (e-mail); www.deschamps.com (website).