Hearthstone Quality Home Heating Products Green Mountain 60 8660 vs Pacific Energy Fireplace Products Limited True North TN20 Series B
The Hearthstone Quality Home Heating Products Green Mountain 60 8660 is the cleaner burner: 0.6 g/hr certified particulate emissions versus 1.6 g/hr. The Hearthstone Quality Home Heating Products Green Mountain 60 8660 is the more efficient unit: 79% versus 73% HHV — more heat from every cord. The Hearthstone Quality Home Heating Products Green Mountain 60 8660 produces more peak heat (33,576 vs 29,208 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 1.996 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 Pacific Energy Fireplace Products Limited True North TN20 Series B a non-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 | Pacific Energy Fireplace Products Limited True North TN20 Series B | |
|---|---|---|
| Appliance type | wood-stove | wood-stove |
| Combustion technology | Hybrid | Non-Catalytic Stove |
| Certified fuel | Crib Wood | Crib Wood |
| Emission rate | 0.6 g/hr | 1.6 g/hr |
| Efficiency (HHV) | 79 % | 73 % |
| Heat output (low) | 12608 BTU/h | 13931 BTU/h |
| Heat output (high) | 33576 BTU/h | 29208 BTU/h |
| Firebox volume | 2.03 cu ft | 1.996 cu ft |
| Carbon monoxide | 0.49 g/min | 0.77 g/min |
| 25C tax credit eligible (≥75% HHV) | Yes | No |
| 2020 NSPS compliant | Yes | Yes |
| Currently in production | Yes | Yes |
| EPA certification number | 121-18 | 80-17 |
| Covered model numbers | Green Mountain 60 8660, Hipster 20 AMB8260, Shelburne 8372 | True North TN20 Series B, TN Insert Series B |
Frequently asked questions
Which burns cleaner, the Hearthstone Quality Home Heating Products Green Mountain 60 8660 or the Pacific Energy Fireplace Products Limited True North TN20 Series B?
The Hearthstone Quality Home Heating Products Green Mountain 60 8660: 0.6 g/hr certified particulate emissions versus 1.6 g/hr for the Pacific Energy Fireplace Products Limited True North TN20 Series B.
Are the Hearthstone Quality Home Heating Products Green Mountain 60 8660 and Pacific Energy Fireplace Products Limited True North TN20 Series B 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.