Jotul North America (Jotul U.S.A., Inc.) F445 V2 vs New Buck Corporation (Buck Stove Corp.) Model 91
The Jotul North America (Jotul U.S.A., Inc.) F445 V2 is the cleaner burner: 0.65 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 77% HHV — more heat from every cord. The New Buck Corporation (Buck Stove Corp.) Model 91 produces more peak heat (43,190 vs 36,986 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. Combustion technology differs: the Jotul North America (Jotul U.S.A., Inc.) F445 V2 is a hybrid and the New Buck Corporation (Buck Stove Corp.) Model 91 a catalytic stove — see the catalytic vs non-catalytic guide for what that means day to day.
| Jotul North America (Jotul U.S.A., Inc.) F445 V2 | New Buck Corporation (Buck Stove Corp.) Model 91 | |
|---|---|---|
| Appliance type | wood-stove | wood-stove |
| Combustion technology | Hybrid | Catalytic Stove |
| Certified fuel | Crib Wood | Crib Wood |
| Emission rate | 0.65 g/hr | 1.3 g/hr |
| Efficiency (HHV) | 77 % | 80 % |
| Heat output (low) | 14323 BTU/h | 14206 BTU/h |
| Heat output (high) | 36986 BTU/h | 43190 BTU/h |
| Firebox volume | 2.03 cu ft | 3.07 cu ft |
| Carbon monoxide | 0.17 g/min | 0.6 g/min |
| 25C tax credit eligible (≥75% HHV) | Yes | Yes |
| 2020 NSPS compliant | Yes | Yes |
| Currently in production | Yes | Yes |
| EPA certification number | 414-26 | 239-19 |
| Covered model numbers | F445 V2 | Model 91, Carolina 92 |
Frequently asked questions
Which burns cleaner, the Jotul North America (Jotul U.S.A., Inc.) F445 V2 or the New Buck Corporation (Buck Stove Corp.) Model 91?
The Jotul North America (Jotul U.S.A., Inc.) F445 V2: 0.65 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 V2 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.