I have a friend here in St. Louis that has half dozen varieties that get, maybe, 3 to 6 feet tall (dwarf and super dwarf?). He has them in pots. He plants the pots in the front yard and brings them into an attached garage and places the on the side next to the house for winter.
The other side (east) has high windows which permits the sun to pass across them each day.
He has a spare set of pots which he puts in the holes when he brings in the potted bananas.
He gets bananas every summer.