Roof assembly having a roof opening system and an air conditioner

A roof assembly for forming a vehicle roof on a motor vehicle, the roof assembly has a panel component which forms at least sections of a roof cladding of the vehicle roof, the roof cladding acting as an outer sealing surface, and a roof opening system having a lid part which is configured to selectively open or close a roof opening provided in the panel component, and at least one electric and/or electronic and/or electromagnetic component and an air conditioner, via which waste heat released by the electronic component and/or heat introduced from outside are able to be dissipated, wherein the roof opening system has at least one water gutter via which at least one cooling channel of the air conditioner is formed, the waste heat of the component and/or the heat introduced from outside being able to be dissipated from the roof assembly via cooling channel.