Jotul North America (Jotul U.S.A., Inc.) F35 vs Jotul North America (Jotul U.S.A., Inc.) F445
The Jotul North America (Jotul U.S.A., Inc.) F445 is the cleaner burner: 0.49 g/hr certified particulate emissions versus 1.2 g/hr. The Jotul North America (Jotul U.S.A., Inc.) F445 is the more efficient unit: 72% 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 35,722 BTU/h), suiting roughly 1,700–2,400 sq ft. The Jotul North America (Jotul U.S.A., Inc.) F445 has the larger firebox (2.03 vs 1.57 cu ft), which generally means longer burns between reloads. Combustion technology differs: the Jotul North America (Jotul U.S.A., Inc.) F35 is a non-catalytic stove and the Jotul North America (Jotul U.S.A., Inc.) F445 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.) F35 | Jotul North America (Jotul U.S.A., Inc.) F445 | |
|---|---|---|
| Appliance type | wood-stove | wood-stove |
| Combustion technology | Non-Catalytic Stove | Catalytic Stove |
| Certified fuel | Cord Wood | Crib Wood |
| Emission rate | 1.2 g/hr | 0.49 g/hr |
| Efficiency (HHV) | 69 % | 72 % |
| Heat output (low) | 13533 BTU/h | 13212 BTU/h |
| Heat output (high) | 59443 BTU/h | 35722 BTU/h |
| Firebox volume | 1.57 cu ft | 2.03 cu ft |
| Carbon monoxide | 1.35 g/min | 0.6 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 | 361-24 |
| Covered model numbers | F35 | F445 |
Frequently asked questions
Which burns cleaner, the Jotul North America (Jotul U.S.A., Inc.) F35 or the Jotul North America (Jotul U.S.A., Inc.) F445?
The Jotul North America (Jotul U.S.A., Inc.) F445: 0.49 g/hr certified particulate emissions versus 1.2 g/hr for the Jotul North America (Jotul U.S.A., Inc.) F35.
Are the Jotul North America (Jotul U.S.A., Inc.) F35 and Jotul North America (Jotul U.S.A., Inc.) F445 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.