The Osburn Horizon OB04010 High-Efficiency Fireplace Bundle offers an ideal solution for heating large spaces with both energy efficiency and a clean design. Suitable for areas between 1,000 to 2,800 square feet, this wood fireplace is equipped with a spacious 4.28 cubic foot combustion chamber that can accommodate up to 60 lbs of wood. The Horizon not only meets the EPA's clean-air standards with its low emissions of just 1.6 g/hr but also features a patented intelligent air control mechanism to optimize combustion quality. With the ability to burn for up to 11 hours, it's perfect for those seeking both performance and environmental responsibility.