ONICON Incorporated manufactures highly accurate flow meters and Btu meters for chilled water, hot water, condenser water, and steam and natural gas systems. They are ideally suited for campus and central energy plant applications, as well as mixed use facilities. Retrofit kits are available for installation without shutdown. Btu meters are compatible with BACnet, LONWORKS, MODBUS, JCI-N2 Metasys and Siemens-P1 Apogee networks.