THERMATROL

APPARATUS FOR AIR CONDITIONING-REFRIGERATION PURPOSES COMPRISING MECHANICAL WATER CHILLERS, COMPRESSING AND CONDENSING UNITS, COOLING TOWERS AND COILS, EVAPORATIVE CONDENSERS AND CAPACITY CONTROLS FOR CONTROLLING THE CAPACITY OF AIR CONDITIONING-REFRIGERATION APPARATUS, SUCH UNITS BEING REQUIRED COMPONENT PARTS OF REFRIGERATION OR AIR CONDITIONING SYSTEMS, BUILT ON THE JOB