Abstract: A vapor hood for a paper machine and/or paperboard machine, in particular for the drying section of a paper machine and/or paperboard machine, having a hood housing, wherein an inner housing surface of the hood housing delimits an internal space in which a process area, in particular the drying section, of the paper machine and/or paperboard machine is arranged or can be arranged, wherein on the inner housing surface in at least a sub-region there is arranged at least one condensation sensor for detecting a formation of condensate or an imminent formation of condensate in said sub-region.