Osburn Matrix Wood Insert | OB02028

The Osburn Matrix Wood Insert The Matrix wood insert will seduce you with an average particle emission rate of 2.3 g/h and an optimal efficiency of 79%. The latest modifications made to this box are well in tune with the industry standards required for 2020. Although it retains a unique style that is both massive and sleek, we have reviewed the door mechanism to make it more functional. Adding a set of intermediate trim panels may be required to complete your masonry hearth. Always the same legendary Osburn quality. Osburn Matrix Wood Insert Performance Fuel type  Dry cordwood (16" recommended) Recommended heating area-ft²  500 - 2,100 Overall firebox volume-ft³ 2.4 EPA loading volume-ft³  1.95 Maximum burn time : 8 h Maximum heat output-dry cordwood  75,000 BTU/h (22.0 kW) Overall heat output rate <  14,200 BTU/h (4.16 kW) to 44,500 BTU/h (13.04 kW) Average overall efficiency (dry cordwood)  72 % (HHV) 77 % (LHV) Optimum overall efficiency  79 % Optimum heat