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

The Hearthstone Quality Home Heating Products Green Mountain 80-1 (Model 8681) is the cleaner burner: 0.53 g/hr certified particulate emissions versus 2 g/hr. The Hearthstone Quality Home Heating Products Green Mountain 80-1 (Model 8681) is the more efficient unit: 80% versus 76% HHV — more heat from every cord. The Stove Builder International Bistro Series (Bistro produces more peak heat (50,200 vs 33,424 BTU/h), suiting roughly 1,450–2,000 sq ft. The Hearthstone Quality Home Heating Products Green Mountain 80-1 (Model 8681) has the larger firebox (3.16 vs 2.26 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 Bistro Series (Bistro 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 Bistro Series (Bistro
Appliance type wood-stove wood-stove
Combustion technology Hybrid Non-Catalytic Stove
Certified fuel Crib Wood Cord Wood
Emission rate 0.53 g/hr 2 g/hr
Efficiency (HHV) 80 % 76 %
Heat output (low) 14846 BTU/h 14300 BTU/h
Heat output (high) 33424 BTU/h 50200 BTU/h
Firebox volume 3.16 cu ft 2.26 cu ft
Carbon monoxide 0.2 g/min 1 g/min
25C tax credit eligible (≥75% HHV) Yes Yes
2020 NSPS compliant Yes Yes
Currently in production Yes Yes
EPA certification number 390-25 337-22
Covered model numbers Green Mountain 80-1 (Model 8681), Okemo (Model 8380), Hipster 30 (Model 8280) Bistro Series (Bistro, Gusto, Pyra, 600, HEC240, IW600)

Frequently asked questions

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

The Hearthstone Quality Home Heating Products Green Mountain 80-1 (Model 8681): 0.53 g/hr certified particulate emissions versus 2 g/hr for the Stove Builder International Bistro Series (Bistro.

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