MF Fire Nova 2C vs New Buck Corporation (Buck Stove Corp.) 21NC

The MF Fire Nova 2C is the cleaner burner: 1.4 g/hr certified particulate emissions versus 1.7 g/hr. The MF Fire Nova 2C is the more efficient unit: 78% versus 70% HHV — more heat from every cord. The New Buck Corporation (Buck Stove Corp.) 21NC produces more peak heat (28,901 vs 21,009 BTU/h), suiting roughly 850–1,150 sq ft. The MF Fire Nova 2C has the larger firebox (2.33 vs 1.4 cu ft), which generally means longer burns between reloads. Combustion technology differs: the MF Fire Nova 2C is a catalytic stove and the New Buck Corporation (Buck Stove Corp.) 21NC a non-catalytic stove — see the catalytic vs non-catalytic guide for what that means day to day.

MF Fire Nova 2C New Buck Corporation (Buck Stove Corp.) 21NC
Appliance type wood-stove wood-stove
Combustion technology Catalytic Stove Non-Catalytic Stove
Certified fuel Cord Wood Crib Wood
Emission rate 1.4 g/hr 1.7 g/hr
Efficiency (HHV) 78 % 70 %
Heat output (low) 19012 BTU/h 11079 BTU/h
Heat output (high) 21009 BTU/h 28901 BTU/h
Firebox volume 2.33 cu ft 1.4 cu ft
Carbon monoxide 0.515 g/min 6.1 g/min
25C tax credit eligible (≥75% HHV) Yes No
2020 NSPS compliant Yes Yes
Currently in production Yes Yes
EPA certification number 401-25 66-16
Covered model numbers Nova 2C, Nova 2C Tower 21NC

Frequently asked questions

Which burns cleaner, the MF Fire Nova 2C or the New Buck Corporation (Buck Stove Corp.) 21NC?

The MF Fire Nova 2C: 1.4 g/hr certified particulate emissions versus 1.7 g/hr for the New Buck Corporation (Buck Stove Corp.) 21NC.

Are the MF Fire Nova 2C and New Buck Corporation (Buck Stove Corp.) 21NC 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.