Blaze King Industries King KE40 (3) vs Jotul North America (Jotul U.S.A., Inc.) F602 V3

The Blaze King Industries King KE40 (3) is the cleaner burner: 1 g/hr certified particulate emissions versus 1.4 g/hr. The Blaze King Industries King KE40 (3) is the more efficient unit: 81% versus 77% HHV — more heat from every cord. The Blaze King Industries King KE40 (3) produces more peak heat (38,516 vs 23,415 BTU/h), suiting roughly 1,100–1,550 sq ft. The Blaze King Industries King KE40 (3) has the larger firebox (4.55 vs 0.79 cu ft), which generally means longer burns between reloads.

Blaze King Industries King KE40 (3) Jotul North America (Jotul U.S.A., Inc.) F602 V3
Appliance type wood-stove wood-stove
Combustion technology Catalytic Stove Catalytic Stove
Certified fuel Crib Wood Crib Wood
Emission rate 1 g/hr 1.4 g/hr
Efficiency (HHV) 81 % 77 %
Heat output (low) 10392 BTU/h 5994 BTU/h
Heat output (high) 38516 BTU/h 23415 BTU/h
Firebox volume 4.55 cu ft 0.79 cu ft
Carbon monoxide 0.49 g/min 1.3 g/min
25C tax credit eligible (≥75% HHV) Yes Yes
2020 NSPS compliant Yes Yes
Currently in production Yes Yes
EPA certification number 220-19 380-24
Covered model numbers King KE40 F602 V3

Frequently asked questions

Which burns cleaner, the Blaze King Industries King KE40 (3) or the Jotul North America (Jotul U.S.A., Inc.) F602 V3?

The Blaze King Industries King KE40 (3): 1 g/hr certified particulate emissions versus 1.4 g/hr for the Jotul North America (Jotul U.S.A., Inc.) F602 V3.

Are the Blaze King Industries King KE40 (3) and Jotul North America (Jotul U.S.A., Inc.) F602 V3 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.