18000 btu ducted inverter air conditioner, commercial line, with false ceiling installation. Energy Class A ++ / A + Cooling Power 5.3 kW (1.60 - 5.60) Heating Power 5.8 kW (1.65 - 6.30) Dehumidification 2.0 L / h Ventilation 600 - 900 mc / h Range in Cooling -15 ÷ 48 ° C Range in Heating -15 ÷ 24 ° C Pipes (Liquid-Gas) 1/4 "- 1/2" Dimensions U.Int (LxHxP) 1180x190x445 mm Weight U.Int 30 Kg Sound pressure U .Int 20 - 47 dB (A) Dimensions U.Ext (LxHxP) 936x665x338 mm Weight U.Ext 37 Kg Sound pressure U.Ext 43 dB (A) Installation and Comfort Thanks to its very compact dimensions, installation is simple and flexible since the indoor unit can be placed on the wall or on the ceiling, according to the required needs.