Hi, I'm looking at a large fisher insert to buy from a friend. It came with their home so they don't know much about it. It has two cathedral type doors, inside fire box is 27" deep x 16" high x about 21" wide. I've been reading the postings which are very informative on most series. I have a few questions. Are all the inserts the same size, how many cubic feet are the fire boxes and approx how many square feel they will heat ? Also, what price are poeple paying for them?
