Transparent header can be set globally for all pages, or per page or for all properties.

For properties only this option should be used with Property Template 1 (the one with full header)

Per page / post:

Transparent Header will look good if you use it over header with image, or revolution slider or theme slider – http://help.wprentals.org/2015/10/28/custom-header-options/

Logo for transparent header is set in theme options – general settings: