first off i am still trying to figure out how to attach my drawing- sorry-
puitting up an addition, single story with cathedral ceilings conventionally framed- no trusses. the overall is 20' x 40', with 1 room 20' x 22', another room 15' x 18', and a bathroom with a closet at 5' x 18'.
i am thinking using a mini split system for cooling and heat but dont know if i should put in one large one with 3 zones or 1 med one for the big room and another medium 2 zoned 1 for the other 2 rooms (bed and bath). i am having a hard time getting an answer from the hvac contractor- he says i will put in what you want.......