Thanks to the cutting-edge technology, air-water KAISAI heat pumps operate in a very wide range of outside temperatures and achieve high temperatures inside the heating system or of the domestic hot water. No emission of harmful substances into the environment, safe operation, and maintenance-free design make the KAISAI heat pumps an ideal solution for everyone who builds a house, as well as those replacing or retrofitting the current heat source. KAISAI heat pumps are used in detached, terrace houses, apartment units and in commercial buildings, and the wide selection of split and monoblock units guarantees that the unit can be tailored to the individual needs of the user.