How Variable Refrigerant Flow (VRF) Improve HVAC Energy Efficiency
Developed in Japan in 1982, variable refrigerant flow (VRF) technology allows 40 to 50 percent efficiency improvement over standard ASHRAE 90.1 standard RTU units. Basically, VRFs use the refrigerant as the cooling- and heat-transfer medium. The refrigerant is conditioned by an outdoor condensing unit and then circulated within the building to multiple indoor fan-coil units
Original Article Source Credits: Facilities Net , https://www.facilitiesnet.com/
Article Written By: Rita Tatum
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