Heat capacity: 2,000 square feet
Maximum heat output: 100,000 BTUs/hour (based on a 33 lb load of wood)
Weight: 175 lbs
Size of firebox: 3.0 cubic feet
Tested and approved: EPA 28 & 5G, ULC S628,
and UL 1482-1996
Emmissions: 4.3 g/hour
Burn rate: 0.97 kg/hour
Log size: 18 inches (maximum)

Patent # US 7,325,541 B2     EPA Certification #: 657