The LG LMCN125HV Ductless Mini Split, Indoor Air Conditionerr is a flex multi split unit that can connect to a single multi zone outdoor unit. This unit qualifies for Energy Star Tax Credits for Consumer Energy Efficiency, which means it offers you added money and energy saving benefits. Some features of the LG LMCN125HV Ductless Mini Split, Indoor Air Conditioner include control lock function, a two thermistor control and a 24hour on/off timer. This unit is a ceiling cassette unit, which provides for a discreet look, since only the ceiling grill shows. It also means that this unit provides both heating and cooling. Also designed with ductless technology, the cooling and heating needs for your home are distributed evenly and efficiently. Be sure to follow the recommendations to have your LG LMCN125HV Ductless Mini Split, Indoor Air Conditioner installed by a licensed professional contractor, as it will optimize its performance and longevity. REQUIRED : The LMCN125HV is a multizone air handler and requires a multizone condenser and the LG PTUQC to operate The LG LMCN125HV is the indoor unit only, outdoor units are sold separately. LG is known as a leader in ductless air conditioner minisplit systems. A ductless split system is similar to a central air system; however, it is a split (2part) design that consists of an indoor air handler (as seen on this page) and the noisy condenser (sold separately) which is installed outside. LG supports and recommends that a qualified air conditioning contractor properly size and install LG DuctFree (ductless) air conditioners for optimal performance and long life.