MF Fire Nova C vs New Buck Corporation (Buck Stove Corp.) 21NC
The New Buck Corporation (Buck Stove Corp.) 21NC is the cleaner burner: 1.7 g/hr certified particulate emissions versus 1.9 g/hr. The MF Fire Nova C is the more efficient unit: 71% versus 70% HHV — more heat from every cord. The New Buck Corporation (Buck Stove Corp.) 21NC produces more peak heat (28,901 vs 28,140 BTU/h), suiting roughly 850–1,150 sq ft. The MF Fire Nova C has the larger firebox (1.7 vs 1.4 cu ft), which generally means longer burns between reloads. Combustion technology differs: the MF Fire Nova C 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 C | New Buck Corporation (Buck Stove Corp.) 21NC | |
|---|---|---|
| Appliance type | wood-stove | wood-stove |
| Combustion technology | Catalytic Stove | Non-Catalytic Stove |
| Certified fuel | Crib Wood | Crib Wood |
| Emission rate | 1.9 g/hr | 1.7 g/hr |
| Efficiency (HHV) | 71 % | 70 % |
| Heat output (low) | 23654 BTU/h | 11079 BTU/h |
| Heat output (high) | 28140 BTU/h | 28901 BTU/h |
| Firebox volume | 1.7 cu ft | 1.4 cu ft |
| Carbon monoxide | 0.94 g/min | 6.1 g/min |
| 25C tax credit eligible (≥75% HHV) | No | No |
| 2020 NSPS compliant | Yes | Yes |
| Currently in production | Yes | Yes |
| EPA certification number | 356-23 | 66-16 |
| Covered model numbers | Nova C | 21NC |
Frequently asked questions
Which burns cleaner, the MF Fire Nova C or the New Buck Corporation (Buck Stove Corp.) 21NC?
The New Buck Corporation (Buck Stove Corp.) 21NC: 1.7 g/hr certified particulate emissions versus 1.9 g/hr for the MF Fire Nova C.
Are the MF Fire Nova C 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.