A modern, rectangular air conditioning or heating unit with the logo 'alpha innotec' is installed outside a building with a dark gray brick exterior. The unit is positioned against a light concrete wall, and there is overgrown grass along the edge of the pavement.
A white outdoor air conditioning unit mounted on a wall with a large fan and electrical connections. The unit has a red label and is surrounded by a light grey and white color scheme on the building's wall.
Three air conditioning units mounted on the exterior wall of a building, with a closed vent in the center. The wall is a warm, peach color and the units have a beige finish. A black cable runs vertically along the left side of the image.