Fujitsu’s new Airstage VRF system, the J-II series, is a single-phase heat pump serving ambient heating and cooling applications in a 3- to 5-ton size range, ideal for large residential and small commercial installations.
Fujitsu single-phase heat pump
![Fujitsu single-phase heat pump](http://www.supplyht.com/ext/resources/SHT/2016/Mar-2016/sht0316_Products_Fujitsu.jpg?1459445319)