Hearthstone Quality Home Heating Products Green Mountain 60 8660 vs Jotul North America (Jotul U.S.A., Inc.) F602 V3
The Hearthstone Quality Home Heating Products Green Mountain 60 8660 is the cleaner burner: 0.6 g/hr certified particulate emissions versus 1.4 g/hr. The Hearthstone Quality Home Heating Products Green Mountain 60 8660 is the more efficient unit: 79% versus 77% HHV — more heat from every cord. The Hearthstone Quality Home Heating Products Green Mountain 60 8660 produces more peak heat (33,576 vs 23,415 BTU/h), suiting roughly 950–1,350 sq ft. The Hearthstone Quality Home Heating Products Green Mountain 60 8660 has the larger firebox (2.03 vs 0.79 cu ft), which generally means longer burns between reloads. Combustion technology differs: the Hearthstone Quality Home Heating Products Green Mountain 60 8660 is a hybrid and the Jotul North America (Jotul U.S.A., Inc.) F602 V3 a catalytic stove — see the catalytic vs non-catalytic guide for what that means day to day.
| Hearthstone Quality Home Heating Products Green Mountain 60 8660 | Jotul North America (Jotul U.S.A., Inc.) F602 V3 | |
|---|---|---|
| Appliance type | wood-stove | wood-stove |
| Combustion technology | Hybrid | Catalytic Stove |
| Certified fuel | Crib Wood | Crib Wood |
| Emission rate | 0.6 g/hr | 1.4 g/hr |
| Efficiency (HHV) | 79 % | 77 % |
| Heat output (low) | 12608 BTU/h | 5994 BTU/h |
| Heat output (high) | 33576 BTU/h | 23415 BTU/h |
| Firebox volume | 2.03 cu ft | 0.79 cu ft |
| Carbon monoxide | 0.49 g/min | 1.3 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 | 380-24 |
| Covered model numbers | Green Mountain 60 8660, Hipster 20 AMB8260, Shelburne 8372 | F602 V3 |
Frequently asked questions
Which burns cleaner, the Hearthstone Quality Home Heating Products Green Mountain 60 8660 or the Jotul North America (Jotul U.S.A., Inc.) F602 V3?
The Hearthstone Quality Home Heating Products Green Mountain 60 8660: 0.6 g/hr certified particulate emissions versus 1.4 g/hr for the Jotul North America (Jotul U.S.A., Inc.) F602 V3.
Are the Hearthstone Quality Home Heating Products Green Mountain 60 8660 and Jotul North America (Jotul U.S.A., Inc.) F602 V3 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.