I lived in one for awhile and loved it!! I rented 1/2 the hut and it was still two bedrooms.
It was in Fla though and it was just bare metal at the top and my ceilings and walls curved. It was raised up on supports and under a grove of trees and was the coolest place I ever lived in Florida because the air moved all around it.
I am not sure how it would do in Conn. You would really have to insulate well.