Blaze King Industries Princess PI29 Insert (2) vs FPI/Regency Fireplace Products Alterra Pro I3000 Series (I300R
The FPI/Regency Fireplace Products Alterra Pro I3000 Series (I300R is the cleaner burner: 0.95 g/hr certified particulate emissions versus 1 g/hr. The Blaze King Industries Princess PI29 Insert (2) is the more efficient unit: 80% versus 78% HHV — more heat from every cord. The FPI/Regency Fireplace Products Alterra Pro I3000 Series (I300R produces more peak heat (33,155 vs 30,194 BTU/h), suiting roughly 950–1,350 sq ft. The FPI/Regency Fireplace Products Alterra Pro I3000 Series (I300R has the larger firebox (2.92 vs 2.63 cu ft), which generally means longer burns between reloads.
| Blaze King Industries Princess PI29 Insert (2) | FPI/Regency Fireplace Products Alterra Pro I3000 Series (I300R | |
|---|---|---|
| Appliance type | wood-stove | wood-stove |
| Combustion technology | Catalytic Stove | Catalytic Stove |
| Certified fuel | Crib Wood | Crib Wood |
| Emission rate | 1 g/hr | 0.95 g/hr |
| Efficiency (HHV) | 80 % | 78 % |
| Heat output (low) | 9023 BTU/h | 13794 BTU/h |
| Heat output (high) | 30194 BTU/h | 33155 BTU/h |
| Firebox volume | 2.63 cu ft | 2.92 cu ft |
| Carbon monoxide | 0.704 g/min | 0.44 g/min |
| 25C tax credit eligible (≥75% HHV) | Yes | Yes |
| 2020 NSPS compliant | Yes | Yes |
| Currently in production | Yes | Yes |
| EPA certification number | 123-18 | 376-24 |
| Covered model numbers | Princess PI29 Insert | Alterra Pro I3000 Series (I300R, I300A) |
Frequently asked questions
Which burns cleaner, the Blaze King Industries Princess PI29 Insert (2) or the FPI/Regency Fireplace Products Alterra Pro I3000 Series (I300R?
The FPI/Regency Fireplace Products Alterra Pro I3000 Series (I300R: 0.95 g/hr certified particulate emissions versus 1 g/hr for the Blaze King Industries Princess PI29 Insert (2).
Are the Blaze King Industries Princess PI29 Insert (2) and FPI/Regency Fireplace Products Alterra Pro I3000 Series (I300R 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.