Ductable Air Conditioner Thakur Complex Ducted Air Conditioning Systems are the most expensive choice, but they are certainly the most aesthetically pleasing solution. Ducted home air conditioning systems can be used to cool multiple rooms; however, the downside is that you cannot have individual room control (unless you have multiple ducted systems). The ductwork and cooling unit(s) are hidden within a false ceiling or loft space, so all that you see is a small neat grille in the ceiling. There are various grille designs available which suit different shapes and sizes of room. Our surveyors will talk you through the various solutions, so you’ll achieve the exact look you’re after. Please note that these are best fitted as part of a building project as they require a ceiling void to house both the ducting and the air conditioning unit itself.