Stove Builder International 1.4 Series (Osburn 950 vs Stove Builder International Bistro Series (Bistro
The Stove Builder International 1.4 Series (Osburn 950 is the cleaner burner: 1.8 g/hr certified particulate emissions versus 2 g/hr. The Stove Builder International Bistro Series (Bistro is the more efficient unit: 76% versus 74% HHV — more heat from every cord. The Stove Builder International Bistro Series (Bistro produces more peak heat (50,200 vs 26,500 BTU/h), suiting roughly 1,450–2,000 sq ft. The Stove Builder International Bistro Series (Bistro has the larger firebox (2.26 vs 1.55 cu ft), which generally means longer burns between reloads.
| Stove Builder International 1.4 Series (Osburn 950 | Stove Builder International Bistro Series (Bistro | |
|---|---|---|
| Appliance type | wood-stove | wood-stove |
| Combustion technology | Non-Catalytic Stove | Non-Catalytic Stove |
| Certified fuel | Cord Wood | Cord Wood |
| Emission rate | 1.8 g/hr | 2 g/hr |
| Efficiency (HHV) | 74 % | 76 % |
| Heat output (low) | 12100 BTU/h | 14300 BTU/h |
| Heat output (high) | 26500 BTU/h | 50200 BTU/h |
| Firebox volume | 1.55 cu ft | 2.26 cu ft |
| Carbon monoxide | 1.2 g/min | 1 g/min |
| 25C tax credit eligible (≥75% HHV) | No | Yes |
| 2020 NSPS compliant | Yes | Yes |
| Currently in production | Yes | Yes |
| EPA certification number | 289-21 | 337-22 |
| Covered model numbers | 1.4 Series (Osburn 950, Escape 1200, Gateway 1400, Solution 1.4, Spark II, Fox, Déco Nano, S250, Harmony 1.4, HES140, Blue Ridge 100) | Bistro Series (Bistro, Gusto, Pyra, 600, HEC240, IW600) |
Frequently asked questions
Which burns cleaner, the Stove Builder International 1.4 Series (Osburn 950 or the Stove Builder International Bistro Series (Bistro?
The Stove Builder International 1.4 Series (Osburn 950: 1.8 g/hr certified particulate emissions versus 2 g/hr for the Stove Builder International Bistro Series (Bistro.
Are the Stove Builder International 1.4 Series (Osburn 950 and Stove Builder International Bistro Series (Bistro 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.