ClimateMaster’s Tranquility high-efficiency, two-stage compact (TZ) series unit is available in 2- to 5-ton capacities. iGate technology uses two-way communication to provide a gateway into the system and allows end users to monitor the performance of the unit, tailor its operation and diagnose issues. The new DMX2 intelligent controller serves as the communications hub to determine how best to operate the system for optimal comfort, efficiency and long-term reliability. vFlow variable water flow technology intelligently varies water flow to minimize pump energy consumption and improve system reliability.Geothermal unit with intellegent control