HVAC (Heating, Ventilation, and Air Conditioning) is a general term used to describe the technology and systems used for controlling the temperature, humidity, and air quality in buildings. HVAC systems can be centralized or decentralized and can use a variety of technologies such as air conditioning units, heat pumps, boilers, and ventilation systems.
VRF (Variable Refrigerant Flow) is a specific type of HVAC system that uses refrigerant as the medium for heating and cooling. VRF systems consist of a centralized outdoor unit that is connected to multiple indoor units, which can be individually controlled to provide heating and cooling to different zones in a building. VRF systems are known for their energy efficiency, flexibility, and zoning capabilities, and are often used in commercial buildings.
Split AC (Air Conditioning) systems are a type of HVAC system that consists of an indoor unit and an outdoor unit. The indoor unit contains the evaporator coil and the air filter, while the outdoor unit contains the compressor and the condenser coil. The indoor and outdoor units are connected by a refrigerant line, and the system is used to provide cooling to a single room or area.
The main difference between VRF systems and Split AC systems is that VRF systems can provide heating and cooling to multiple zones within a building, while Split AC systems are typically used to provide cooling to a single room or area. VRF systems are also more energy efficient and offer greater control over temperature and airflow than Split AC systems.