Kuma Stove And Iron Works K-251 Series: Ashwood LE-1 vs Travis Industries Answer NexGen Hybrid (2)
The Kuma Stove And Iron Works K-251 Series: Ashwood LE-1 is the cleaner burner: 1.1 g/hr certified particulate emissions versus 1.4 g/hr. The Travis Industries Answer NexGen Hybrid (2) is the more efficient unit: 80% versus 78% HHV — more heat from every cord. The Travis Industries Answer NexGen Hybrid (2) produces more peak heat (38,594 vs 30,612 BTU/h), suiting roughly 1,100–1,550 sq ft. The Kuma Stove And Iron Works K-251 Series: Ashwood LE-1 has the larger firebox (2.56 vs 1.4 cu ft), which generally means longer burns between reloads. Combustion technology differs: the Kuma Stove And Iron Works K-251 Series: Ashwood LE-1 is a 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.
| Kuma Stove And Iron Works K-251 Series: Ashwood LE-1 | Travis Industries Answer NexGen Hybrid (2) | |
|---|---|---|
| Appliance type | wood-stove | wood-stove |
| Combustion technology | Catalytic Stove | Hybrid |
| Certified fuel | Crib Wood | Crib Wood |
| Emission rate | 1.1 g/hr | 1.4 g/hr |
| Efficiency (HHV) | 78 % | 80 % |
| Heat output (low) | 11219 BTU/h | 12252 BTU/h |
| Heat output (high) | 30612 BTU/h | 38594 BTU/h |
| Firebox volume | 2.56 cu ft | 1.4 cu ft |
| Carbon monoxide | 0.49 g/min | 1.322 g/min |
| 25C tax credit eligible (≥75% HHV) | Yes | Yes |
| 2020 NSPS compliant | Yes | Yes |
| Currently in production | Yes | Yes |
| EPA certification number | 357-23 | 306-22 |
| Covered model numbers | K-251 Series: Ashwood LE-1, Wood Classic LE-1, Cambridge LE-1, Cascade LE-1 | Answer NexGen Hybrid |
Frequently asked questions
Which burns cleaner, the Kuma Stove And Iron Works K-251 Series: Ashwood LE-1 or the Travis Industries Answer NexGen Hybrid (2)?
The Kuma Stove And Iron Works K-251 Series: Ashwood LE-1: 1.1 g/hr certified particulate emissions versus 1.4 g/hr for the Travis Industries Answer NexGen Hybrid (2).
Are the Kuma Stove And Iron Works K-251 Series: Ashwood LE-1 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.