Abstract: A combination window mounted pet/plant enclosure and carrying case capable of replaceably housing a pet/plant therein and having a window mounted pet/plant enclosure modality where it is adapted to be maintained in an opening of a double hung window that has a sill and separates the outdoors from the indoors and a pet/plant carrying case modality where it is removed from the opening of the double hung window and adapted to carry the pet/plant housed therein. The combination includes a housing that extends from the opening of the double hung window to the outdoors and replaceably houses the pet/plant therein, and a facia assembly that is attached to the housing and extends from the opening of the double hung window into the indoors and provides access into the housing.