Air conditioners; Air conditioning apparatus and installations; Air handlers; Air-conditioning, air cooling and ventilation apparatus and instruments; Furnaces; Heat pumps; Humidifiers; Dehumidifiers; Humidifiers and controls therefor sold as a unit; Dehumidifiers and controls therefor sold as a unit; Air cleaning units

Air conditioners; Air conditioning apparatus and installations; Air handlers; Air-conditioning, air cooling and ventilation apparatus and instruments; Furnaces; Heat pumps; Humidifiers; Dehumidifiers; Humidifiers and controls therefor sold as a unit; Dehumidifiers and controls therefor sold as a unit; Air cleaning units

Installation and repair of heating, ventilating and air conditioning equipment; Installation and replacement service for heating, ventilating and air conditioning systems

Installation and repair of heating, ventilating and air conditioning equipment; Installation and replacement service for heating, ventilating and air conditioning systems