My best friend recently bought a house. It's a 25 year old colonial and he's not liking paying the oil man. He and his wife are very motivated to install a fireplace insert and he wanted some input from me. I know little about inserts as I'm a "stove" guy. According to him the dimensions are 24"H X 33"W X 21"D. It's a traditional brick hearth with glass doors and a masonry chimney. One benefit he has is his floorplan has a balcony in the room with the stove so the heat will go right up to where the bedrooms are located. Any suggestions?