A portable animal enclosure apparatus includes a kennel body including an upper housing member and a lower housing member. The upper and lower housing members each include a double-walled construction including an inner wall forming a portion of the enclosure shaped to house the animal and an outer wall at least partially surrounding the inner wall, with a gap defined between the inner and outer wall. A door opening is defined at a first end of the kennel body between the upper and lower housing members, and a rear wall is defined at a second end of the kennel body opposite the door opening. A door frame is disposed on the kennel body at the door opening. A door is disposed on the door frame, and the door is pivotally attached to the door frame and is moveable between a closed position and an open position.