Air-conditioning outdoor device and air conditioner unit

An air-conditioning outdoor device, comprising:

• an outdoor unit housing;
• a primary air return port and an air outlet port provided on a front panel on a side of the outdoor unit housing away from an installation wall, wherein a direction pointing to the outdoor from the indoor is taken as a forward direction;
• and
• a supplementary air return port provided on a side panel of the outdoor unit housing adjacent to the front panel, configured to communicate inside of the outdoor unit housing with outside of the outdoor unit housing;
• wherein the primary air return port and the supplementary air return port both communicate with an air return chamber inside the outdoor unit housing, the outdoor unit housing is configured to be embedded in a wall hole provided in the installation wall, the front panel and a portion of the side panel protrude outwards relative to the installation wall, and at least part of the supplementary air return port is located outside the installation wall.