Standard features of an Osburn wood stove include a heating area of at least 250 square feet, a minimum of 40,000 BTU and a 6-inch recommended chimney diameter. Additionally, several models qualify for IRS tax credits for energy efficiency, with optimum efficiencies above 70 percent.
Additional standard features include a limited lifetime warranty and single-pane, ceramic glass doors with cast iron frames. Maximum outputs for Osburn wood stoves range from 40,000 to 100,000 BTU using seasoned cord wood, which translates to a maximum heating area between 1,000 square feet to 2,700 square feet. The average output using seasoned cord wood is 68,000 BTU, while it is approximately half that for EPA test wood.
Osburn wood stoves are available with both pedestal and four-leg bases. Some models are suitable for both standard and mobile homes, and some come with blowers for use with central heating systems. The stoves are constructed from either stainless steel or heat-resistant C-cast materials, and most chimneys can withstand heat up to 2100 degrees Fahrenheit.
Firebox dimensions range from 12 to 20 inches in depth and from 11 to 13 inches in height. Firebox widths average about 18 inches, and firebox volumes reach up to 3.2 cubic feet. Osburn wood stoves can hold logs up to 21 inches, and they weigh between 252 and 525 pounds.