System Air hydronic system uses water as the exchange fluid, offering the perfect combination of comfort and high efficiency. Appropriate for any type of building, the system consists of an air or water cooled chiller or heat pump that provides cold or hot water to water terminals. It can be complemented with air handling units to ensure perfect air quality. This system is particularly well suited for applications such as hotels, shopping centers, hospitals and office buildings. The air cooled chiller variant of the system is also a fundamental part of many industrial processes.