Addition to rules

[Troy]

When you own an inn room that is on the bottom floor of a building or below another room you are not allowed to place anything in your room that will go through the roof, such as fireplaces and ovens.

[Diam Larkei]

what effect do they have on other's inn room?

[Troy]

Its affect is on people who have other peoples rooms above theirs. Other than that it is fine.

[volc]

what effect do they have on other's inn room?

They prevent line of sight to some tiles in the room above them.