Not sure what VRF is? You’re not alone. VRF air conditioning is really common in the UK – you’ll find it in offices, restaurants, shops, and homes. But lots of people aren’t sure what systems the term refers to or how they work. Whether you’re thinking about installing air conditioning or want to find out more about your existing system, you’re in the right place. Here’s everything you need to know about what VRF air conditioning is, how it works, and why it could be a good choice for you. What's VRF air conditioning? VRF stands for 'variable refrigerant flow'. A VRF air conditioning system is comprised of one external unit and multiple internal units. The primary concern that makes a VRF system not the same as different kinds of air conditioning is that you can control each internal unit independently. This is called zonal control. For instance, you can have distinctive internal units set at various temperatures, or make them run while different ones are turned off....