Jotul North America (Jotul U.S.A., Inc.) F35 vs New Buck Corporation (Buck Stove Corp.) 21NC
The Jotul North America (Jotul U.S.A., Inc.) F35 is the cleaner burner: 1.2 g/hr certified particulate emissions versus 1.7 g/hr. The New Buck Corporation (Buck Stove Corp.) 21NC is the more efficient unit: 70% versus 69% HHV — more heat from every cord. The Jotul North America (Jotul U.S.A., Inc.) F35 produces more peak heat (59,443 vs 28,901 BTU/h), suiting roughly 1,700–2,400 sq ft. The Jotul North America (Jotul U.S.A., Inc.) F35 has the larger firebox (1.57 vs 1.4 cu ft), which generally means longer burns between reloads.
| Jotul North America (Jotul U.S.A., Inc.) F35 | New Buck Corporation (Buck Stove Corp.) 21NC | |
|---|---|---|
| Appliance type | wood-stove | wood-stove |
| Combustion technology | Non-Catalytic Stove | Non-Catalytic Stove |
| Certified fuel | Cord Wood | Crib Wood |
| Emission rate | 1.2 g/hr | 1.7 g/hr |
| Efficiency (HHV) | 69 % | 70 % |
| Heat output (low) | 13533 BTU/h | 11079 BTU/h |
| Heat output (high) | 59443 BTU/h | 28901 BTU/h |
| Firebox volume | 1.57 cu ft | 1.4 cu ft |
| Carbon monoxide | 1.35 g/min | 6.1 g/min |
| 25C tax credit eligible (≥75% HHV) | No | No |
| 2020 NSPS compliant | Yes | Yes |
| Currently in production | Yes | Yes |
| EPA certification number | 317-22 | 66-16 |
| Covered model numbers | F35 | 21NC |
Frequently asked questions
Which burns cleaner, the Jotul North America (Jotul U.S.A., Inc.) F35 or the New Buck Corporation (Buck Stove Corp.) 21NC?
The Jotul North America (Jotul U.S.A., Inc.) F35: 1.2 g/hr certified particulate emissions versus 1.7 g/hr for the New Buck Corporation (Buck Stove Corp.) 21NC.
Are the Jotul North America (Jotul U.S.A., Inc.) F35 and New Buck Corporation (Buck Stove Corp.) 21NC 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.