Variable Refrigerant Flow, or VRF HVAC frameworks, is a HVAC innovation broadly acknowledged over the globe in nations like Japan, China, Europe nations and different parts of the world. In the current past, VRF Air molding frameworks have increased enormous ubiquity over conventional cooling frameworks. VRF aerating and cooling has picked up prevalence because of its propelled innovation, when contrasted with the customary ventilation systems which are loud units drawing air to the whole space. VRF HVAC framework includes various littler air handlers that can be independently controlled and associated with one framework. The word variable refrigerant stream or VRF identifies with the framework's capacity to deal with the amount of refrigerant streaming to every one of these little air handlers. This refined innovation can give cooling as well as warming, and even both in the meantime to different parts inside a similar space.