Invented by Daikin Industries in 1982, Variable Refrigerant Volume (VRV) is our bread and butter. VRV is a high efficiency, flexible multi-zone air-source heat pump that are able to be fitted to various types of projects include new builds and retrofits. The flexibility of this system allows for uses in residential single family homes to commercial, healthcare, hospitality, and office applications. Over the last 10 years, VRV has become popular in North America after being the system of choice around the world for years.