Blaze King Industries 20.2 Series: Ashford 20.2 (AF20.2) vs Blaze King Industries King KE40 (3)
The Blaze King Industries King KE40 (3) is the cleaner burner: 1 g/hr certified particulate emissions versus 1.05 g/hr. The Blaze King Industries King KE40 (3) is the more efficient unit: 81% versus 80% HHV — more heat from every cord. The Blaze King Industries King KE40 (3) produces more peak heat (38,516 vs 31,092 BTU/h), suiting roughly 1,100–1,550 sq ft. The Blaze King Industries King KE40 (3) has the larger firebox (4.55 vs 1.86 cu ft), which generally means longer burns between reloads.
| Blaze King Industries 20.2 Series: Ashford 20.2 (AF20.2) | Blaze King Industries King KE40 (3) | |
|---|---|---|
| Appliance type | wood-stove | wood-stove |
| Combustion technology | Catalytic Stove | Catalytic Stove |
| Certified fuel | Crib Wood | Crib Wood |
| Emission rate | 1.05 g/hr | 1 g/hr |
| Efficiency (HHV) | 80 % | 81 % |
| Heat output (low) | 10786 BTU/h | 10392 BTU/h |
| Heat output (high) | 31092 BTU/h | 38516 BTU/h |
| Firebox volume | 1.86 cu ft | 4.55 cu ft |
| Carbon monoxide | 0.57 g/min | 0.49 g/min |
| 25C tax credit eligible (≥75% HHV) | Yes | Yes |
| 2020 NSPS compliant | Yes | Yes |
| Currently in production | Yes | Yes |
| EPA certification number | 110-17 | 220-19 |
| Covered model numbers | 20.2 Series: Ashford 20.2 (AF20.2), Chinook 20.2 (CK20.2), Sirocco 20.2 (SC20.2) | King KE40 |
Frequently asked questions
Which burns cleaner, the Blaze King Industries 20.2 Series: Ashford 20.2 (AF20.2) or the Blaze King Industries King KE40 (3)?
The Blaze King Industries King KE40 (3): 1 g/hr certified particulate emissions versus 1.05 g/hr for the Blaze King Industries 20.2 Series: Ashford 20.2 (AF20.2).
Are the Blaze King Industries 20.2 Series: Ashford 20.2 (AF20.2) and Blaze King Industries King KE40 (3) 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.