Stove Builder International 1.4 Series (Osburn 950 vs Travis Industries Answer NexGen Hybrid (2)
The Travis Industries Answer NexGen Hybrid (2) is the cleaner burner: 1.4 g/hr certified particulate emissions versus 1.8 g/hr. The Travis Industries Answer NexGen Hybrid (2) is the more efficient unit: 80% versus 74% HHV — more heat from every cord. The Travis Industries Answer NexGen Hybrid (2) produces more peak heat (38,594 vs 26,500 BTU/h), suiting roughly 1,100–1,550 sq ft. The Stove Builder International 1.4 Series (Osburn 950 has the larger firebox (1.55 vs 1.4 cu ft), which generally means longer burns between reloads. Combustion technology differs: the Stove Builder International 1.4 Series (Osburn 950 is a non-catalytic stove and the Travis Industries Answer NexGen Hybrid (2) a hybrid — see the catalytic vs non-catalytic guide for what that means day to day.
| Stove Builder International 1.4 Series (Osburn 950 | Travis Industries Answer NexGen Hybrid (2) | |
|---|---|---|
| Appliance type | wood-stove | wood-stove |
| Combustion technology | Non-Catalytic Stove | Hybrid |
| Certified fuel | Cord Wood | Crib Wood |
| Emission rate | 1.8 g/hr | 1.4 g/hr |
| Efficiency (HHV) | 74 % | 80 % |
| Heat output (low) | 12100 BTU/h | 12252 BTU/h |
| Heat output (high) | 26500 BTU/h | 38594 BTU/h |
| Firebox volume | 1.55 cu ft | 1.4 cu ft |
| Carbon monoxide | 1.2 g/min | 1.322 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 | 306-22 |
| 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) | Answer NexGen Hybrid |
Frequently asked questions
Which burns cleaner, the Stove Builder International 1.4 Series (Osburn 950 or the Travis Industries Answer NexGen Hybrid (2)?
The Travis Industries Answer NexGen Hybrid (2): 1.4 g/hr certified particulate emissions versus 1.8 g/hr for the Stove Builder International 1.4 Series (Osburn 950.
Are the Stove Builder International 1.4 Series (Osburn 950 and Travis Industries Answer NexGen Hybrid (2) 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.