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Package units are indoor systems that provide filtered, cooled, or heated air to the areas they serve. Each unit includes a condenser fan and motor, cooling/heating coil, compressor, supply fan and motor, belts, and air filters. Scheduled maintenance by N.Y EMS Heating & Air Conditioning’s certified technicians — including air filter and belt replacement — ensures these units operate efficiently with minimal downtime, prolonging equipment life and maintaining optimal comfort.
Split systems can be installed indoors or outdoors and consist of two separate units: an evaporator unit and a condensing unit, connected by refrigeration piping and control wiring. Each system includes evaporator fans and motors, condenser fans and motors, cooling coils, air filters, and belts. Scheduled maintenance by N.Y EMS Heating & Air Conditioning’s certified technicians — including air filter and belt replacement — ensures these systems operate at peak efficiency with minimal downtime, extending equipment life and maintaining optimal comfort.
Split ductless systems are similar to traditional split systems but do not use ductwork to distribute air. Instead, individual evaporator units deliver heated or cooled air directly to each space, making them ideal for applications where ductwork is not feasible. Each split ductless system consists of an evaporator unit and a condensing unit, connected by refrigeration piping and control wiring. Components include evaporator fans and motors, condenser fans and motors, cooling coils, air filters, and belts. Scheduled maintenance by N.Y EMS Heating & Air Conditioning’s certified technicians — including air filter and belt replacement — ensures these systems operate efficiently with minimal downtime, extending equipment life and maintaining optimal comfort.
Chillers, which can be air-cooled or water-cooled, provide chilled water for cooling and dehumidification. Each system includes a compressor, condenser, motor, pump, impeller, and control center. Scheduled maintenance by N.Y EMS Heating & Air Conditioning’s certified technicians — including inspection of compressors, motors, pumps, condenser tubes, and calibration of controls and safety devices — ensures chillers operate at peak efficiency with minimal downtime, prolonging equipment life and maintaining reliable performance.
A cooling tower is a heat rejection device that extracts waste heat to the atmosphere by cooling a water stream to a lower temperature. Regular maintenance is essential, as an unclean cooling tower can reduce cooling capacity, create health risks, and compromise system reliability. N.Y EMS Heating & Air Conditioning provides comprehensive service and maintenance for cooling tower mechanical equipment, including motors, belts, pumps, and other critical components. Our certified technicians perform preventive maintenance to ensure optimal performance, efficiency, and safety. For more information on cooling tower regulations, please refer to Local Law 77.
A Variable Air Volume (VAV) system delivers a varying amount of conditioned air based on the requirements of each space, as determined by the space thermostats. Each system consists of ductwork, a VAV box with a damper, and a space thermostat. Scheduled maintenance by N.Y EMS Heating & Air Conditioning’s certified technicians includes inspection and calibration of dampers and thermostats to ensure proper operation, maintain efficiency, and extend system lifespan.
A supplemental HVAC unit is a small-capacity system installed to provide additional heating or cooling where needed, such as high-occupancy areas or spaces that require consistent temperatures even when the main building system is not running, like computer rooms. These units operate independently from the building’s primary heating and air conditioning system, ensuring reliable comfort and temperature control whenever and wherever it’s required.



