The HMH7 Horizontal Discharge 17+ SEER Modulating Heat Pumps are the newest offering in our successful LX Family of split system heat pumps. These units use a state of the art inverter driven compressor to precisely meet customers comfort requirements. Using a conventional heat pump thermostat, the system will automatically adjust capacity and airflow to meet the comfort requirements of the consumer, maximizing comfort while minimizing energy bills. Designed to work with Luxaire variable speed or standard ECM indoor air handling equipment it provides consumers and dealers system installation options. Should the unit ever require service the main control and inverter control both provide system self-diagnostics.