The new Trekker pellet stove with Efficient Energy (E2) technology is the most powerful and efficient pellet stove ever designed by Quadra-Fire. E2 technology helps achieve 83.2% efficiency—saving money by burning less fuel. The standard 7-day programmable thermostat, 80lb hopper and easy-clean cast iron firepot ensure this pellet stove is easy to operate. These efficient pellet-burning stoves are the only stove available with cast iron construction on all major components—proving it’s built to last.