Engineers say heat exchangers can help cool off fuel costs.
D003246:Conservation of Energy Resources / Q000379:methods*; D003247:Conservation of Natural Resources / Q000379:methods*; D003363:Cost Control; D004865:Equipment and Supplies, Hospital / Q000191:economics*; D006361:Heating / Q000191:economics; D006746:Hospital Bed Capacity, 500 and over; D007847:Laundry Service, Hospital / Q000191:economics*; D014481:United States