True North TN25c Freestanding Wood StoveTN25c Freestanding True North Wood Stove Product Details TN25c Wood Stove The first single lever wood stove with 76% HHV US Tax Credit Qualified! The TN25c works just like a wood stove is intended to work simple, efficient and clean. With patent pending technologies like Electronic Combustion Assist and Passive Catalytic Technology, this wood stove operates without a manual bypass. The result: high efficiency and exceptional savings. Standard