VRF is the latest and most revolutionary technologies used for large, medium & small sized buildings. The system offers large outdoor capacities, greater energy savings, easier installation, longer actual and total piping, and more.VRF airconditioning units use refrigerant as the cooling & Heating medium. this refrigerant is conditioned by a single outdoor condensing unit, & is circulated with in the building. VRF Units operated at varying speeds, VRF unit work only at the needed rate allowing for substantial energy saving at partial-load conditions. Energy Savings off upto 55% are predicted over comparable unitary equipment.