Water-source variable refrigerant flow (VRF)/variable refrigerant volume (VRV) systems are compact, flexible systems designed to offer many of the same benefits of air-source VRF/VRV systems. These ...
I’ve been passionate about variable-refrigerant flow (VRF) heat pump technology for decades, and it all started when my dad and I first learned about ductless heat pump systems around 1989. At that ...
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