Blaze King Industries King KE40 (3) vs Jotul North America (Jotul U.S.A., Inc.) C550 V2
The Blaze King Industries King KE40 (3) is the cleaner burner: 1 g/hr certified particulate emissions versus 1.1 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 36,214 BTU/h), suiting roughly 1,100–1,550 sq ft. The Blaze King Industries King KE40 (3) has the larger firebox (4.55 vs 1.9 cu ft), which generally means longer burns between reloads.
| Blaze King Industries King KE40 (3) | Jotul North America (Jotul U.S.A., Inc.) C550 V2 | |
|---|---|---|
| Appliance type | wood-stove | wood-stove |
| Combustion technology | Catalytic Stove | Catalytic Stove |
| Certified fuel | Crib Wood | Crib Wood |
| Emission rate | 1 g/hr | 1.1 g/hr |
| Efficiency (HHV) | 81 % | 77 % |
| Heat output (low) | 10392 BTU/h | 11757 BTU/h |
| Heat output (high) | 38516 BTU/h | 36214 BTU/h |
| Firebox volume | 4.55 cu ft | 1.9 cu ft |
| Carbon monoxide | 0.49 g/min | 0.3 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 | 394-25 |
| Covered model numbers | King KE40 | C550 V2 |
Frequently asked questions
Which burns cleaner, the Blaze King Industries King KE40 (3) or the Jotul North America (Jotul U.S.A., Inc.) C550 V2?
The Blaze King Industries King KE40 (3): 1 g/hr certified particulate emissions versus 1.1 g/hr for the Jotul North America (Jotul U.S.A., Inc.) C550 V2.
Are the Blaze King Industries King KE40 (3) and Jotul North America (Jotul U.S.A., Inc.) C550 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.