If you don't want to have unsightly exposed electrical cables and ducting running across your ceiling and spoiling your home's interior design, consider going for a false ceiling. They're not only good for concealing everything, they can add to your home a decorative element without taking up precious floor area!
Here are 5 design ideas.
Design: Substance Living
Design: M3 Studio
Design: Project File
Design: Prozfile
Image: Architecture Ideas