Hearthstone Quality Home Heating Products Green Mountain 80-1 (Model 8681) vs Stove Builder International 2.1 Series (Destination 1.9

The Hearthstone Quality Home Heating Products Green Mountain 80-1 (Model 8681) is the cleaner burner: 0.53 g/hr certified particulate emissions versus 1.5 g/hr. The Hearthstone Quality Home Heating Products Green Mountain 80-1 (Model 8681) is the more efficient unit: 80% versus 75% 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 31,700 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 1.03 cu ft), which generally means longer burns between reloads. Combustion technology differs: the Hearthstone Quality Home Heating Products Green Mountain 80-1 (Model 8681) is a hybrid and the Stove Builder International 2.1 Series (Destination 1.9 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 80-1 (Model 8681) Stove Builder International 2.1 Series (Destination 1.9
Appliance type wood-stove wood-stove
Combustion technology Hybrid Non-Catalytic Stove
Certified fuel Crib Wood Cord Wood
Emission rate 0.53 g/hr 1.5 g/hr
Efficiency (HHV) 80 % 75 %
Heat output (low) 14846 BTU/h 8500 BTU/h
Heat output (high) 33424 BTU/h 31700 BTU/h
Firebox volume 3.16 cu ft 1.03 cu ft
Carbon monoxide 0.2 g/min 0.6 g/min
25C tax credit eligible (≥75% HHV) Yes Yes
2020 NSPS compliant Yes Yes
Currently in production Yes Yes
EPA certification number 390-25 299-22
Covered model numbers Green Mountain 80-1 (Model 8681), Okemo (Model 8380), Hipster 30 (Model 8280) 2.1 Series (Destination 1.9, Matrix 1900, CW2100, Green Mountain Insert 50, HEI90, Archway 1500, Blue Ridge 150-I)

Frequently asked questions

Which burns cleaner, the Hearthstone Quality Home Heating Products Green Mountain 80-1 (Model 8681) or the Stove Builder International 2.1 Series (Destination 1.9?

The Hearthstone Quality Home Heating Products Green Mountain 80-1 (Model 8681): 0.53 g/hr certified particulate emissions versus 1.5 g/hr for the Stove Builder International 2.1 Series (Destination 1.9.

Are the Hearthstone Quality Home Heating Products Green Mountain 80-1 (Model 8681) and Stove Builder International 2.1 Series (Destination 1.9 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.