Chil-Pak by Air Matrix Sales - an integrated packaged central plants constructed into an energy and space efficient unit at the lowest possible cost to the building owner. Applications from 180-7500+ tons, consisting of 2" double wall construction, with single point electric and controls manufactured in a controlled environment. Offers design assistance and field support. Please call for more information, or visit our Web site. www.chil-pak.com. Tel: 480-503-8040.