Jotul North America (Jotul U.S.A., Inc.) F35 vs Jotul North America (Jotul U.S.A., Inc.) F445 V2

The Jotul North America (Jotul U.S.A., Inc.) F445 V2 is the cleaner burner: 0.65 g/hr certified particulate emissions versus 1.2 g/hr. The Jotul North America (Jotul U.S.A., Inc.) F445 V2 is the more efficient unit: 77% 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 36,986 BTU/h), suiting roughly 1,700–2,400 sq ft. The Jotul North America (Jotul U.S.A., Inc.) F445 V2 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 V2 a hybrid — 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 V2
Appliance type wood-stove wood-stove
Combustion technology Non-Catalytic Stove Hybrid
Certified fuel Cord Wood Crib Wood
Emission rate 1.2 g/hr 0.65 g/hr
Efficiency (HHV) 69 % 77 %
Heat output (low) 13533 BTU/h 14323 BTU/h
Heat output (high) 59443 BTU/h 36986 BTU/h
Firebox volume 1.57 cu ft 2.03 cu ft
Carbon monoxide 1.35 g/min 0.17 g/min
25C tax credit eligible (≥75% HHV) No Yes
2020 NSPS compliant Yes Yes
Currently in production Yes Yes
EPA certification number 317-22 414-26
Covered model numbers F35 F445 V2

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 V2?

The Jotul North America (Jotul U.S.A., Inc.) F445 V2: 0.65 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 V2 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.