Hearthstone Quality Home Heating Products Green Mountain 80 8680 vs Travis Industries Endeavor NexGen-Hybrid
The Hearthstone Quality Home Heating Products Green Mountain 80 8680 is the cleaner burner: 0.67 g/hr certified particulate emissions versus 1.2 g/hr. The Hearthstone Quality Home Heating Products Green Mountain 80 8680 is the more efficient unit: 81% versus 80% HHV — more heat from every cord. The Hearthstone Quality Home Heating Products Green Mountain 80 8680 produces more peak heat (33,396 vs 31,922 BTU/h), suiting roughly 950–1,350 sq ft. The Hearthstone Quality Home Heating Products Green Mountain 80 8680 has the larger firebox (3.16 vs 2.66 cu ft), which generally means longer burns between reloads.
| Hearthstone Quality Home Heating Products Green Mountain 80 8680 | Travis Industries Endeavor NexGen-Hybrid | |
|---|---|---|
| Appliance type | wood-stove | wood-stove |
| Combustion technology | Hybrid | Hybrid |
| Certified fuel | Crib Wood | Crib Wood |
| Emission rate | 0.67 g/hr | 1.2 g/hr |
| Efficiency (HHV) | 81 % | 80 % |
| Heat output (low) | 15069 BTU/h | 10252 BTU/h |
| Heat output (high) | 33396 BTU/h | 31922 BTU/h |
| Firebox volume | 3.16 cu ft | 2.66 cu ft |
| Carbon monoxide | 0.23 g/min | 0.218 g/min |
| 25C tax credit eligible (≥75% HHV) | Yes | Yes |
| 2020 NSPS compliant | Yes | Yes |
| Currently in production | Yes | Yes |
| EPA certification number | 162-18 | 328-22 |
| Covered model numbers | Green Mountain 80 8680 | Endeavor NexGen-Hybrid |
Frequently asked questions
Which burns cleaner, the Hearthstone Quality Home Heating Products Green Mountain 80 8680 or the Travis Industries Endeavor NexGen-Hybrid?
The Hearthstone Quality Home Heating Products Green Mountain 80 8680: 0.67 g/hr certified particulate emissions versus 1.2 g/hr for the Travis Industries Endeavor NexGen-Hybrid.
Are the Hearthstone Quality Home Heating Products Green Mountain 80 8680 and Travis Industries Endeavor 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.