Harvia Duo is a combination of woodburning sauna stove and fireplace that is both practical and economical. Heat your sauna to bathing temperature – and enjoy the warmth of the fire at the same time. Duo enhances the traditional spirit of the sauna and gives a good, hot bath. Harvia Duo is also very durable. The outer casing of the stove is high-quality stainless steel. Harvia Duo can be equipped with a side or pipe model water heater. Two different powers are available: Harvia 20 Duo and Harvia 36 Duo.