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Choosing Firewood - BTU Content by Species

The quality of your firewood directly affects heat output, duration of burn and performance of your stove. Softwoods generally burn hotter and faster, while hardwoods burn longer and produce better coals. Density and moisture content are two critical factors to consider when purchasing wood for your stove.

Common Name Lbs. per Cord  MBTU per Cord
Osage Orange 4728 32.9
Hickory, Shagbark 4327 27.7
Hop Hornbeam - Ironwood 4267 27.3
Beech, Blue - Ironwood 3890 26.8
Birch, Black 3890 26.8
Locust, Black 3890 26.8
Hickory, Bitternut 3832 26.7
Locust, Honey 3832 26.7
Apple 4100 26.5
Mulberry 3712 25.8
Oak, White 4012 25.7
Beech, European 3757 24
Maple, Sugar 3757 24
Oak, Red 3757 24
Ash, White 3689 23.6
Birch, Yellow 3689 23.6
Juniper, Rocky Mountain 3150 21.8
Elm, Red 3112 21.6
Coffee Tree, Kentucky 3112 21.6
Hackberry 3247 20.8
Tamarack 3247 20.8
Birch, Gray 3179 20.3
Birch, White 3179 20.3
Walnut, Black 3192 20.2
Cherry 3120 20
Ash, Green 2880 19.9
Cherry, Black 2880 19.9
Elm, American 3052 19.5
Elm, White 3052 19.5
Sycamore 2880 19.5
Ash, Black 2992 19.1
Maple, Red 2924 18.7
Fir, Douglas 2900 18.1
Boxelder 2797 17.9
Alder, Red 2710 17.2
Pine, Jack 2669 17.1
Pine, Norway, Red 2669 17.1
Pine, Pitch 2669 17.1
Catalpa 2360 16.4
Hemlock 2482 15.9
Spruce, Black 2482 15.9
Pine, Ponderosa 2380 15.2
Aspen, American 2290 14.7
Butternut (Walnut, White) 2100 14.5
Spruce 2100 14.5
Willow 2100 14.5
Fir, Balsam 2236 14.3
Pine, White 2236 14.3
Fir, Concolor (White) 2104 14.1
Basswood (Linden) 2108 13.8
Buckeye, Ohio 1984 13.8
Cottonwood 2108 13.5
Cedar, White 1913 12.2