Hearthstone Quality Home Heating Products Green Mountain 60 8660 vs Hearthstone Quality Home Heating Products Green Mountain 80-1 (Model 8681)
The Hearthstone Quality Home Heating Products Green Mountain 80-1 (Model 8681) is the cleaner burner: 0.53 g/hr certified particulate emissions versus 0.6 g/hr. The Hearthstone Quality Home Heating Products Green Mountain 80-1 (Model 8681) is the more efficient unit: 80% versus 79% HHV — more heat from every cord. The Hearthstone Quality Home Heating Products Green Mountain 60 8660 produces more peak heat (33,576 vs 33,424 BTU/h), suiting roughly 950–1,350 sq ft. The Hearthstone Quality Home Heating Products Green Mountain 80-1 (Model 8681) has the larger firebox (3.16 vs 2.03 cu ft), which generally means longer burns between reloads.
| Hearthstone Quality Home Heating Products Green Mountain 60 8660 | Hearthstone Quality Home Heating Products Green Mountain 80-1 (Model 8681) | |
|---|---|---|
| Appliance type | wood-stove | wood-stove |
| Combustion technology | Hybrid | Hybrid |
| Certified fuel | Crib Wood | Crib Wood |
| Emission rate | 0.6 g/hr | 0.53 g/hr |
| Efficiency (HHV) | 79 % | 80 % |
| Heat output (low) | 12608 BTU/h | 14846 BTU/h |
| Heat output (high) | 33576 BTU/h | 33424 BTU/h |
| Firebox volume | 2.03 cu ft | 3.16 cu ft |
| Carbon monoxide | 0.49 g/min | 0.2 g/min |
| 25C tax credit eligible (≥75% HHV) | Yes | Yes |
| 2020 NSPS compliant | Yes | Yes |
| Currently in production | Yes | Yes |
| EPA certification number | 121-18 | 390-25 |
| Covered model numbers | Green Mountain 60 8660, Hipster 20 AMB8260, Shelburne 8372 | Green Mountain 80-1 (Model 8681), Okemo (Model 8380), Hipster 30 (Model 8280) |
Frequently asked questions
Which burns cleaner, the Hearthstone Quality Home Heating Products Green Mountain 60 8660 or the Hearthstone Quality Home Heating Products Green Mountain 80-1 (Model 8681)?
The Hearthstone Quality Home Heating Products Green Mountain 80-1 (Model 8681): 0.53 g/hr certified particulate emissions versus 0.6 g/hr for the Hearthstone Quality Home Heating Products Green Mountain 60 8660.
Are the Hearthstone Quality Home Heating Products Green Mountain 60 8660 and Hearthstone Quality Home Heating Products Green Mountain 80-1 (Model 8681) 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.