Hearthstone Quality Home Heating Products Green Mountain 60 8660 vs MF Fire Nova C

The Hearthstone Quality Home Heating Products Green Mountain 60 8660 is the cleaner burner: 0.6 g/hr certified particulate emissions versus 1.9 g/hr. The Hearthstone Quality Home Heating Products Green Mountain 60 8660 is the more efficient unit: 79% versus 71% HHV — more heat from every cord. The Hearthstone Quality Home Heating Products Green Mountain 60 8660 produces more peak heat (33,576 vs 28,140 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 1.7 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 MF Fire Nova C a 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 MF Fire Nova C
Appliance type wood-stove wood-stove
Combustion technology Hybrid Catalytic Stove
Certified fuel Crib Wood Crib Wood
Emission rate 0.6 g/hr 1.9 g/hr
Efficiency (HHV) 79 % 71 %
Heat output (low) 12608 BTU/h 23654 BTU/h
Heat output (high) 33576 BTU/h 28140 BTU/h
Firebox volume 2.03 cu ft 1.7 cu ft
Carbon monoxide 0.49 g/min 0.94 g/min
25C tax credit eligible (≥75% HHV) Yes No
2020 NSPS compliant Yes Yes
Currently in production Yes Yes
EPA certification number 121-18 356-23
Covered model numbers Green Mountain 60 8660, Hipster 20 AMB8260, Shelburne 8372 Nova C

Frequently asked questions

Which burns cleaner, the Hearthstone Quality Home Heating Products Green Mountain 60 8660 or the MF Fire Nova C?

The Hearthstone Quality Home Heating Products Green Mountain 60 8660: 0.6 g/hr certified particulate emissions versus 1.9 g/hr for the MF Fire Nova C.

Are the Hearthstone Quality Home Heating Products Green Mountain 60 8660 and MF Fire Nova C 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.