Hearth and Home Technologies Vermont Castings by Forge and Flame Dauntless-C vs Hearthstone Quality Home Heating Products Green Mountain 80 8680

The Hearthstone Quality Home Heating Products Green Mountain 80 8680 is the cleaner burner: 0.67 g/hr certified particulate emissions versus 1.7 g/hr. The Hearthstone Quality Home Heating Products Green Mountain 80 8680 is the more efficient unit: 81% versus 75% HHV — more heat from every cord. The Hearthstone Quality Home Heating Products Green Mountain 80 8680 produces more peak heat (33,396 vs 21,356 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 1.82 cu ft), which generally means longer burns between reloads. Combustion technology differs: the Hearth and Home Technologies Vermont Castings by Forge and Flame Dauntless-C is a catalytic stove and the Hearthstone Quality Home Heating Products Green Mountain 80 8680 a hybrid — see the catalytic vs non-catalytic guide for what that means day to day.

Hearth and Home Technologies Vermont Castings by Forge and Flame Dauntless-C Hearthstone Quality Home Heating Products Green Mountain 80 8680
Appliance type wood-stove wood-stove
Combustion technology Catalytic Stove Hybrid
Certified fuel Crib Wood Crib Wood
Emission rate 1.7 g/hr 0.67 g/hr
Efficiency (HHV) 75 % 81 %
Heat output (low) 13560 BTU/h 15069 BTU/h
Heat output (high) 21356 BTU/h 33396 BTU/h
Firebox volume 1.82 cu ft 3.16 cu ft
Carbon monoxide 1 g/min 0.23 g/min
25C tax credit eligible (≥75% HHV) Yes Yes
2020 NSPS compliant Yes Yes
Currently in production Yes Yes
EPA certification number 405-25 162-18
Covered model numbers Vermont Castings by Forge and Flame Dauntless-C Green Mountain 80 8680

Frequently asked questions

Which burns cleaner, the Hearth and Home Technologies Vermont Castings by Forge and Flame Dauntless-C or the Hearthstone Quality Home Heating Products Green Mountain 80 8680?

The Hearthstone Quality Home Heating Products Green Mountain 80 8680: 0.67 g/hr certified particulate emissions versus 1.7 g/hr for the Hearth and Home Technologies Vermont Castings by Forge and Flame Dauntless-C.

Are the Hearth and Home Technologies Vermont Castings by Forge and Flame Dauntless-C and Hearthstone Quality Home Heating Products Green Mountain 80 8680 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.