Interior unit, cooler in summer, warmer in winter! Hurricane panels inside a custom blt. cabinet on tiled patio.PLUS, seller had a/c vents installed in both baths, pick your color paint & for approx. $975. you will ready to make the move. Tile in heavy traffic area, Berber elsewhere, grab bars in both baths, step down shower in master bth., roof 2004, water htr.11/06, newer refrig.