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BMS Controls Glossary

Variable Refrigerant Flow Vrf System

Variable Refrigerant Flow (VRF) System is an energy-efficient HVAC solution that can be used for heating and cooling. It operates by using a combination of refrigerant compressors, evaporators, condensers and pumps to control the flow of cooled or heated air throughout a building. VRF systems are often integrated with modern controls such as sensors, digital thermostats and timers which enable more efficient operation than conventional HVAC systems. The advantage of this type of system is that it allows for greater flexibility in zoning and temperature control, as well as reduced energy consumption and improved occupant comfort.