77783399
Jul 17, 2009
Mar 23, 2010
PACKAGED ENERGY RECOVERY SYSTEM COMPRISING AIR-TO-AIR AND PROCESS HEAT EXCHANGERS, BLOWERS, MOTORS, DRIVES, CONTROLS, DAMPERS, INDIRECT EVAPORATIVE COOLERS, HEATING AND COOLING COILS, WATER WASH FOR HEAT EXCHANGERS, HUMIDIFIERS AND SMOKE DETECTORS, SOLD AS A UNIT
Environmental Control Apparatus