Stove Builder International 1.4R Series: Osburn 950 N vs Travis Industries Liberty NexGen-Hybrid
The Travis Industries Liberty NexGen-Hybrid is the cleaner burner: 0.9 g/hr certified particulate emissions versus 1.7 g/hr. The Travis Industries Liberty NexGen-Hybrid is the more efficient unit: 80% versus 74% HHV — more heat from every cord. The Stove Builder International 1.4R Series: Osburn 950 N produces more peak heat (71,279 vs 47,138 BTU/h), suiting roughly 2,050–2,850 sq ft. The Travis Industries Liberty NexGen-Hybrid has the larger firebox (4.14 vs 1.67 cu ft), which generally means longer burns between reloads. Combustion technology differs: the Stove Builder International 1.4R Series: Osburn 950 N is a non-catalytic stove and the Travis Industries Liberty NexGen-Hybrid a catalytic stove — see the catalytic vs non-catalytic guide for what that means day to day.
| Stove Builder International 1.4R Series: Osburn 950 N | Travis Industries Liberty NexGen-Hybrid | |
|---|---|---|
| Appliance type | wood-stove | wood-stove |
| Combustion technology | Non-Catalytic Stove | Catalytic Stove |
| Certified fuel | Cord Wood | Crib Wood |
| Emission rate | 1.7 g/hr | 0.9 g/hr |
| Efficiency (HHV) | 74 % | 80 % |
| Heat output (low) | 18785 BTU/h | 11598 BTU/h |
| Heat output (high) | 71279 BTU/h | 47138 BTU/h |
| Firebox volume | 1.67 cu ft | 4.14 cu ft |
| Carbon monoxide | 1.3 g/min | 0.484 g/min |
| 25C tax credit eligible (≥75% HHV) | No | Yes |
| 2020 NSPS compliant | Yes | Yes |
| Currently in production | Yes | Yes |
| EPA certification number | 412-26 | 381-24 |
| Covered model numbers | 1.4R Series: Osburn 950 N, Escape 1200 N, Gateway 1400 N, Solution 1.4 N, Spark II N, Fox N, Deco Nano N, S250 N, HES140 N, Blue Ridge 100 N, SP1400 N, SL1400 N | Liberty NexGen-Hybrid |
Frequently asked questions
Which burns cleaner, the Stove Builder International 1.4R Series: Osburn 950 N or the Travis Industries Liberty NexGen-Hybrid?
The Travis Industries Liberty NexGen-Hybrid: 0.9 g/hr certified particulate emissions versus 1.7 g/hr for the Stove Builder International 1.4R Series: Osburn 950 N.
Are the Stove Builder International 1.4R Series: Osburn 950 N and Travis Industries Liberty NexGen-Hybrid 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.