The definition of a VRF equipment refers to a Variable Refrigerant Flow system that is used in buildings for air conditioning and heating. A VRF system is made up of an outdoor unit and several indoor units, as well as, an electronic control system. It is an efficient and flexible system that can be used for all kinds of building needs. It is an advanced system that can provide a high level of energy efficiency and comfort. The system can be used to provide air conditioning and heating to multiple zones within a building. It can also be used to provide individual temperature control in each room. This system is ideal for buildings with multiple floors, as it allows the user to adjust the temperature in each floor individually. In addition, it can provide a cost-effective solution for businesses that require a high level of climate control. The system is also easy to install since it does not require ductwork, which makes it a great choice for renovations and new structures. Overall, a VRF system is an