FPI/Regency Fireplace Products F5200 (2) vs Hearthstone Quality Home Heating Products Green Mountain 80-1 (Model 8681)

The Hearthstone Quality Home Heating Products Green Mountain 80-1 (Model 8681) is the cleaner burner: 0.53 g/hr certified particulate emissions versus 0.84 g/hr. They tie on efficiency at 80% HHV. The FPI/Regency Fireplace Products F5200 (2) produces more peak heat (36,398 vs 33,424 BTU/h), suiting roughly 1,050–1,450 sq ft. The FPI/Regency Fireplace Products F5200 (2) has the larger firebox (4.42 vs 3.16 cu ft), which generally means longer burns between reloads. Combustion technology differs: the FPI/Regency Fireplace Products F5200 (2) is a catalytic stove and the Hearthstone Quality Home Heating Products Green Mountain 80-1 (Model 8681) a hybrid — see the catalytic vs non-catalytic guide for what that means day to day.

FPI/Regency Fireplace Products F5200 (2) Hearthstone Quality Home Heating Products Green Mountain 80-1 (Model 8681)
Appliance type wood-stove wood-stove
Combustion technology Catalytic Stove Hybrid
Certified fuel Crib Wood Crib Wood
Emission rate 0.84 g/hr 0.53 g/hr
Efficiency (HHV) 80 % 80 %
Heat output (low) 13876 BTU/h 14846 BTU/h
Heat output (high) 36398 BTU/h 33424 BTU/h
Firebox volume 4.42 cu ft 3.16 cu ft
Carbon monoxide 1 g/min 0.2 g/min
25C tax credit eligible (≥75% HHV) Yes Yes
2020 NSPS compliant Yes Yes
Currently in production Yes Yes
EPA certification number 201-19 390-25
Covered model numbers F5200 Green Mountain 80-1 (Model 8681), Okemo (Model 8380), Hipster 30 (Model 8280)

Frequently asked questions

Which burns cleaner, the FPI/Regency Fireplace Products F5200 (2) or the Hearthstone Quality Home Heating Products Green Mountain 80-1 (Model 8681)?

The Hearthstone Quality Home Heating Products Green Mountain 80-1 (Model 8681): 0.53 g/hr certified particulate emissions versus 0.84 g/hr for the FPI/Regency Fireplace Products F5200 (2).

Are the FPI/Regency Fireplace Products F5200 (2) and Hearthstone Quality Home Heating Products Green Mountain 80-1 (Model 8681) 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.