The LG MU5R30.U40 multi split air heat pump unit has the ability to run either 4 or 5 indoor units of various types and outputs. Here the unit is partnered with 5 of the LG high wall Artcool Mirror indoor units. The maximum output of the outdoor unit is 12.1kw with a SCOP value of 3.9, the SCOP value being the energy efficiency ratio of input to output power. These air heat pumps can provide heating and also air conditioning cooling so can be used for year round temperature control. All models come with a 3 year guarantee and we have a full range of installation accessories to install these systems.