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A VRF or VRV system is a multi-split type air conditioner for residential buildings that provides customers with the ability to maintain individual zone control in each room and floor of a building.
Heat Recovery VRF or VRV systems allows individual rooms to be set at different temperatures and operating on different modes (cooling, heating or ventilation).
EXAMPLE
Living rooms can be set to 22 degrees on cooling mode whist the bedrooms are set on 25 degrees and on heating mode
Panasonic FSV VRF Brochure 0718 (pdf)
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