Blaze King Industries King KE40 (3) vs Stove Builder International 2.1 Series (Destination 1.9
The Blaze King Industries King KE40 (3) is the cleaner burner: 1 g/hr certified particulate emissions versus 1.5 g/hr. The Blaze King Industries King KE40 (3) is the more efficient unit: 81% versus 75% HHV — more heat from every cord. The Blaze King Industries King KE40 (3) produces more peak heat (38,516 vs 31,700 BTU/h), suiting roughly 1,100–1,550 sq ft. The Blaze King Industries King KE40 (3) has the larger firebox (4.55 vs 1.03 cu ft), which generally means longer burns between reloads. Combustion technology differs: the Blaze King Industries King KE40 (3) is a catalytic stove and the Stove Builder International 2.1 Series (Destination 1.9 a non-catalytic stove — see the catalytic vs non-catalytic guide for what that means day to day.
| Blaze King Industries King KE40 (3) | Stove Builder International 2.1 Series (Destination 1.9 | |
|---|---|---|
| Appliance type | wood-stove | wood-stove |
| Combustion technology | Catalytic Stove | Non-Catalytic Stove |
| Certified fuel | Crib Wood | Cord Wood |
| Emission rate | 1 g/hr | 1.5 g/hr |
| Efficiency (HHV) | 81 % | 75 % |
| Heat output (low) | 10392 BTU/h | 8500 BTU/h |
| Heat output (high) | 38516 BTU/h | 31700 BTU/h |
| Firebox volume | 4.55 cu ft | 1.03 cu ft |
| Carbon monoxide | 0.49 g/min | 0.6 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 | 299-22 |
| Covered model numbers | King KE40 | 2.1 Series (Destination 1.9, Matrix 1900, CW2100, Green Mountain Insert 50, HEI90, Archway 1500, Blue Ridge 150-I) |
Frequently asked questions
Which burns cleaner, the Blaze King Industries King KE40 (3) or the Stove Builder International 2.1 Series (Destination 1.9?
The Blaze King Industries King KE40 (3): 1 g/hr certified particulate emissions versus 1.5 g/hr for the Stove Builder International 2.1 Series (Destination 1.9.
Are the Blaze King Industries King KE40 (3) and Stove Builder International 2.1 Series (Destination 1.9 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.