Johnson Controls-Hitachi Air Conditioning introduces the Hitachi Water Source Variable Refrigerant Flow (VRF) heat pump and heat recovery systems. The new multi-module systems offer the capability of connecting multiple single-module units, ranging from 6-48 tons. In addition to the benefits of VRF technology, these new compact systems deliver the following: Johnson Controls-Hitachi Air Conditioning introduces the industry-leading Hitachi Water Source Variable Refrigerant Flow (VRF) systems. Reduced first costs Compact size enhances exterior appearance while eliminating… Read More