www.supplyht.com/articles/99338-fujitsu-single-phase-heat-pump

Fujitsu single-phase heat pump
March 30, 2016
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.