The Fusion 18 is an ideal insert for consumers who want to incorporate the latest heating technology into their current homes. A compact model in the series, the Fusion 18 nevertheless has a large combustion chamber and a large glass door offering an unobstructed view of the liveliness and charm of the fire. Its elegant design reflects the refinement of its engineering, supported by over thirty years of research and development. Several patented mechanisms underlie its unparalleled technology, such as the air control that automatically regulates combustion and ensures the longevity of your fire while emitting fewer air particles. The set of two powerful but quiet thermostatic fans provides satisfactory heat over a large area,The Fusion 18 meets the most stringent EPA emissions standards, making it an ideal choice for consumers looking to convert their energy-hungry home to an environmentally responsible and efficient heater without compromising aesthetics.