FPI/Regency Fireplace Products F3500B-1 vs FPI/Regency Fireplace Products F5200 (2)
The FPI/Regency Fireplace Products F5200 (2) is the cleaner burner: 0.84 g/hr certified particulate emissions versus 1.1 g/hr. The FPI/Regency Fireplace Products F5200 (2) is the more efficient unit: 80% versus 76% HHV — more heat from every cord. The FPI/Regency Fireplace Products F5200 (2) produces more peak heat (36,398 vs 30,659 BTU/h), suiting roughly 1,050–1,450 sq ft. The FPI/Regency Fireplace Products F5200 (2) has the larger firebox (4.42 vs 3.024 cu ft), which generally means longer burns between reloads.
| FPI/Regency Fireplace Products F3500B-1 | FPI/Regency Fireplace Products F5200 (2) | |
|---|---|---|
| Appliance type | wood-stove | wood-stove |
| Combustion technology | Catalytic Stove | Catalytic Stove |
| Certified fuel | Crib Wood | Crib Wood |
| Emission rate | 1.1 g/hr | 0.84 g/hr |
| Efficiency (HHV) | 76 % | 80 % |
| Heat output (low) | 13650 BTU/h | 13876 BTU/h |
| Heat output (high) | 30659 BTU/h | 36398 BTU/h |
| Firebox volume | 3.024 cu ft | 4.42 cu ft |
| Carbon monoxide | 1.8 g/min | 1 g/min |
| 25C tax credit eligible (≥75% HHV) | Yes | Yes |
| 2020 NSPS compliant | Yes | Yes |
| Currently in production | Yes | Yes |
| EPA certification number | 358-23 | 201-19 |
| Covered model numbers | F3500B-1 | F5200 |
Frequently asked questions
Which burns cleaner, the FPI/Regency Fireplace Products F3500B-1 or the FPI/Regency Fireplace Products F5200 (2)?
The FPI/Regency Fireplace Products F5200 (2): 0.84 g/hr certified particulate emissions versus 1.1 g/hr for the FPI/Regency Fireplace Products F3500B-1.
Are the FPI/Regency Fireplace Products F3500B-1 and FPI/Regency Fireplace Products F5200 (2) 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.