Fujitsu General America is showing its 4-ton, 15.5 SEER Fujitsu Halcyon HFI Hybrid Flex Inverter systems. The system is a cross between VRF (variable refrigerant flow) and multi-zone technology.

LAS VEGAS - Fujitsu General America Inc. has expanded its up-to-17 SEER Fujitsu Halcyon HFI Hybrid Flex Inverter heat pump line, now with higher efficiencies. The R-410A systems are a cross between ...