OB00900 Osburn is proud to present its 900 model, the smallest wood stove in the Osburn range. The 900 still incorporates the features and the technology of the larger Osburn stoves. This EPA stove packs a lot of heat with style! Features: -Wood stove. -With black door, on legs. -Heating capacity 250 to 1000 square feet. -Firebox volume: 1.3 cu feet. -EPA test wood: 26100 BTU / hour. -Seasoned cord wood: 40000 BTU / hour. -Efficiency: 82%. -Maximum log length: 17". -Overall dimensions: 25.75" H x 23" W x 20.25" D. Installation Sheet