If you are looking for an economical to run air source heat pump packed with features the Panasonic Etherea range is certainly worth looking at. This model the CS-Z25TKEW offers A++ energy ratings in both heating and cooling mode. These air source heat pumps can heat and cool a room up to 25 square meters no matter what the outside temperature. Full details can be found in the brochure. There are also a full range of fitting materials available to install these systems.
This model is fitted with the new R32 refrigerant gas.