Answer A beautiful barrel sauna smallest size starts at 8' in length with a 6' diameter largest size is a 7' diameter up to 16' in length single tier seating or 2 tier seating in the 7' diameter barrel wood fired heating or electric heating are options can be shipped assembled or in a crate Working wood fired sauna in operation 7 days a week at our retail location in Whiskey Creek Call, text, email or drop in