I need advice on running the insulation on my false ceiling.

As I'm doing false ceiling at the passageway toward the bedroom. Is it possible to ceiling mount the insulation with trunking rather than wall mount the insulation including trunking.

Thanks in Advance

U can ceiling mounted the gas piping but water piping can only flow downwards so the water got to be wall mounted.

sorry.. hijack this. I do not want to install the Air con above my TV feature wall and behind my sofa. The only location is on the right side which had a horizontal beam across the wall. Should I use a ceiling cassette or suspended Type? in order to install at the same location i want as well as conceal piping