Napoleon Timberwolf Economizer EPA Medium Wood Burning Stove A Napoleon Economizer wood burning stove gives consumers an economical solution to rising heat costs. The Timberwolf cast iron stove provides great value for your money and allows you to heat your home at the lowest possible price. This wood stove features a beautiful painted black finish that matches any decor. An elegantly arched cast iron door couples beautifully with ceramic glass to protect your home from the open fire while still offering a large view of the flame.