HEATSTACK

ENERGY RECOVERY VENTILATORS; HEAT EXCHANGE EQUIPMENT, NAMELY, NANOMATERIAL AND POLYMER MEMBRANES; AIR CONDITIONING APPARATUS AND INSTALLATIONS; HEATING INSTALLATIONS AND HEAT PUMPS; AIR CONDITIONING MODULAR REFRIGERATION UNITS; AIR CONDITIONING SYSTEMS CONSISTING PRIMARILY OF CHILLERS, EVAPORATORS, HEAT EXCHANGERS, MOTOR AND COMPRESSOR UNITS, CONTROL SYSTEMS FOR AIR CONDITIONING UNITS, AND AUTOMATIC TEMPERATURE REGULATORS FOR AIR CONDITIONING SYSTEMS