FPI/Regency Fireplace Products F3500B-1 vs Pacific Energy Fireplace Products Limited Summit LE
The FPI/Regency Fireplace Products F3500B-1 is the cleaner burner: 1.1 g/hr certified particulate emissions versus 1.8 g/hr. The FPI/Regency Fireplace Products F3500B-1 is the more efficient unit: 76% versus 74% HHV — more heat from every cord. The Pacific Energy Fireplace Products Limited Summit LE produces more peak heat (41,275 vs 30,659 BTU/h), suiting roughly 1,200–1,650 sq ft. The FPI/Regency Fireplace Products F3500B-1 has the larger firebox (3.024 vs 2.5 cu ft), which generally means longer burns between reloads. Combustion technology differs: the FPI/Regency Fireplace Products F3500B-1 is a catalytic stove and the Pacific Energy Fireplace Products Limited Summit LE a non-catalytic stove — see the catalytic vs non-catalytic guide for what that means day to day.
| FPI/Regency Fireplace Products F3500B-1 | Pacific Energy Fireplace Products Limited Summit LE | |
|---|---|---|
| Appliance type | wood-stove | wood-stove |
| Combustion technology | Catalytic Stove | Non-Catalytic Stove |
| Certified fuel | Crib Wood | Crib Wood |
| Emission rate | 1.1 g/hr | 1.8 g/hr |
| Efficiency (HHV) | 76 % | 74 % |
| Heat output (low) | 13650 BTU/h | 16102 BTU/h |
| Heat output (high) | 30659 BTU/h | 41275 BTU/h |
| Firebox volume | 3.024 cu ft | 2.5 cu ft |
| Carbon monoxide | 1.8 g/min | 0.02 g/min |
| 25C tax credit eligible (≥75% HHV) | Yes | No |
| 2020 NSPS compliant | Yes | Yes |
| Currently in production | Yes | Yes |
| EPA certification number | 358-23 | 104-17 |
| Covered model numbers | F3500B-1 | Summit LE, Summit Classic LE, Alderlea T6 LE, Summit Insert LE |
Frequently asked questions
Which burns cleaner, the FPI/Regency Fireplace Products F3500B-1 or the Pacific Energy Fireplace Products Limited Summit LE?
The FPI/Regency Fireplace Products F3500B-1: 1.1 g/hr certified particulate emissions versus 1.8 g/hr for the Pacific Energy Fireplace Products Limited Summit LE.
Are the FPI/Regency Fireplace Products F3500B-1 and Pacific Energy Fireplace Products Limited Summit LE 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.