Hearthstone Quality Home Heating Products Green Mountain 80-1 (Model 8681) vs Woodstock Soapstone Company 212N Navajo Hybrid Wood-Coal

The Hearthstone Quality Home Heating Products Green Mountain 80-1 (Model 8681) is the cleaner burner: 0.53 g/hr certified particulate emissions versus 1 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 80-1 (Model 8681) produces more peak heat (33,424 vs 27,294 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 1.15 cu ft), which generally means longer burns between reloads.

Hearthstone Quality Home Heating Products Green Mountain 80-1 (Model 8681) Woodstock Soapstone Company 212N Navajo Hybrid Wood-Coal
Appliance type wood-stove wood-stove
Combustion technology Hybrid Hybrid
Certified fuel Crib Wood Crib Wood
Emission rate 0.53 g/hr 1 g/hr
Efficiency (HHV) 80 % 79 %
Heat output (low) 14846 BTU/h 15332 BTU/h
Heat output (high) 33424 BTU/h 27294 BTU/h
Firebox volume 3.16 cu ft 1.15 cu ft
Carbon monoxide 0.2 g/min 0.15 g/min
25C tax credit eligible (≥75% HHV) Yes Yes
2020 NSPS compliant Yes Yes
Currently in production Yes Yes
EPA certification number 390-25 108-17
Covered model numbers Green Mountain 80-1 (Model 8681), Okemo (Model 8380), Hipster 30 (Model 8280) 212N Navajo Hybrid Wood-Coal, 212S Survival Hybrid Wood-Coal

Frequently asked questions

Which burns cleaner, the Hearthstone Quality Home Heating Products Green Mountain 80-1 (Model 8681) or the Woodstock Soapstone Company 212N Navajo Hybrid Wood-Coal?

The Hearthstone Quality Home Heating Products Green Mountain 80-1 (Model 8681): 0.53 g/hr certified particulate emissions versus 1 g/hr for the Woodstock Soapstone Company 212N Navajo Hybrid Wood-Coal.

Are the Hearthstone Quality Home Heating Products Green Mountain 80-1 (Model 8681) and Woodstock Soapstone Company 212N Navajo Hybrid Wood-Coal 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.