Hearthstone Quality Home Heating Products Green Mountain 80 8680 vs Pacific Energy Fireplace Products Limited NEO 2.5 LE2

The Hearthstone Quality Home Heating Products Green Mountain 80 8680 is the cleaner burner: 0.67 g/hr certified particulate emissions versus 1.6 g/hr. The Hearthstone Quality Home Heating Products Green Mountain 80 8680 is the more efficient unit: 81% versus 73% HHV — more heat from every cord. The Hearthstone Quality Home Heating Products Green Mountain 80 8680 produces more peak heat (33,396 vs 29,536 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 1.88 cu ft), which generally means longer burns between reloads. Combustion technology differs: the Hearthstone Quality Home Heating Products Green Mountain 80 8680 is a hybrid and the Pacific Energy Fireplace Products Limited NEO 2.5 LE2 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 8680 Pacific Energy Fireplace Products Limited NEO 2.5 LE2
Appliance type wood-stove wood-stove
Combustion technology Hybrid Non-Catalytic Stove
Certified fuel Crib Wood Crib Wood
Emission rate 0.67 g/hr 1.6 g/hr
Efficiency (HHV) 81 % 73 %
Heat output (low) 15069 BTU/h 13240 BTU/h
Heat output (high) 33396 BTU/h 29536 BTU/h
Firebox volume 3.16 cu ft 1.88 cu ft
Carbon monoxide 0.23 g/min 1.6 g/min
25C tax credit eligible (≥75% HHV) Yes No
2020 NSPS compliant Yes Yes
Currently in production Yes Yes
EPA certification number 162-18 386-24
Covered model numbers Green Mountain 80 8680 NEO 2.5 LE2, NEO 2.5 Insert LE2

Frequently asked questions

Which burns cleaner, the Hearthstone Quality Home Heating Products Green Mountain 80 8680 or the Pacific Energy Fireplace Products Limited NEO 2.5 LE2?

The Hearthstone Quality Home Heating Products Green Mountain 80 8680: 0.67 g/hr certified particulate emissions versus 1.6 g/hr for the Pacific Energy Fireplace Products Limited NEO 2.5 LE2.

Are the Hearthstone Quality Home Heating Products Green Mountain 80 8680 and Pacific Energy Fireplace Products Limited NEO 2.5 LE2 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.