Hearthstone Quality Home Heating Products Green Mountain 80 8680 vs Jotul North America (Jotul U.S.A., Inc.) F602 V3
The Hearthstone Quality Home Heating Products Green Mountain 80 8680 is the cleaner burner: 0.67 g/hr certified particulate emissions versus 1.4 g/hr. The Hearthstone Quality Home Heating Products Green Mountain 80 8680 is the more efficient unit: 81% versus 77% HHV — more heat from every cord. The Hearthstone Quality Home Heating Products Green Mountain 80 8680 produces more peak heat (33,396 vs 23,415 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 0.79 cu ft), which generally means longer burns between reloads. Combustion technology differs: the Hearthstone Quality Home Heating Products Green Mountain 80 8680 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 80 8680 | 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 | 0.67 g/hr | 1.4 g/hr |
| Efficiency (HHV) | 81 % | 77 % |
| Heat output (low) | 15069 BTU/h | 5994 BTU/h |
| Heat output (high) | 33396 BTU/h | 23415 BTU/h |
| Firebox volume | 3.16 cu ft | 0.79 cu ft |
| Carbon monoxide | 0.23 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 | 162-18 | 380-24 |
| Covered model numbers | Green Mountain 80 8680 | F602 V3 |
Frequently asked questions
Which burns cleaner, the Hearthstone Quality Home Heating Products Green Mountain 80 8680 or the Jotul North America (Jotul U.S.A., Inc.) F602 V3?
The Hearthstone Quality Home Heating Products Green Mountain 80 8680: 0.67 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 80 8680 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.