Jotul North America (Jotul U.S.A., Inc.) F445 vs New Buck Corporation (Buck Stove Corp.) Model 91
The Jotul North America (Jotul U.S.A., Inc.) F445 is the cleaner burner: 0.49 g/hr certified particulate emissions versus 1.3 g/hr. The New Buck Corporation (Buck Stove Corp.) Model 91 is the more efficient unit: 80% versus 72% HHV — more heat from every cord. The New Buck Corporation (Buck Stove Corp.) Model 91 produces more peak heat (43,190 vs 35,722 BTU/h), suiting roughly 1,250–1,750 sq ft. The New Buck Corporation (Buck Stove Corp.) Model 91 has the larger firebox (3.07 vs 2.03 cu ft), which generally means longer burns between reloads.
| Jotul North America (Jotul U.S.A., Inc.) F445 | New Buck Corporation (Buck Stove Corp.) Model 91 | |
|---|---|---|
| Appliance type | wood-stove | wood-stove |
| Combustion technology | Catalytic Stove | Catalytic Stove |
| Certified fuel | Crib Wood | Crib Wood |
| Emission rate | 0.49 g/hr | 1.3 g/hr |
| Efficiency (HHV) | 72 % | 80 % |
| Heat output (low) | 13212 BTU/h | 14206 BTU/h |
| Heat output (high) | 35722 BTU/h | 43190 BTU/h |
| Firebox volume | 2.03 cu ft | 3.07 cu ft |
| Carbon monoxide | 0.6 g/min | 0.6 g/min |
| 25C tax credit eligible (≥75% HHV) | No | Yes |
| 2020 NSPS compliant | Yes | Yes |
| Currently in production | Yes | Yes |
| EPA certification number | 361-24 | 239-19 |
| Covered model numbers | F445 | Model 91, Carolina 92 |
Frequently asked questions
Which burns cleaner, the Jotul North America (Jotul U.S.A., Inc.) F445 or the New Buck Corporation (Buck Stove Corp.) Model 91?
The Jotul North America (Jotul U.S.A., Inc.) F445: 0.49 g/hr certified particulate emissions versus 1.3 g/hr for the New Buck Corporation (Buck Stove Corp.) Model 91.
Are the Jotul North America (Jotul U.S.A., Inc.) F445 and New Buck Corporation (Buck Stove Corp.) Model 91 both EPA certified?
Yes — both appear on the U.S. EPA's current list of certified wood heaters, and every figure on this page comes from their certification records.