Blaze King Industries Princess PI29 Insert (2) vs Woodstock Soapstone Company 212N Navajo Hybrid Wood-Coal
Both stoves carry the same certified emission rate: 1 g/hr. The Blaze King Industries Princess PI29 Insert (2) is the more efficient unit: 80% versus 79% HHV — more heat from every cord. The Blaze King Industries Princess PI29 Insert (2) produces more peak heat (30,194 vs 27,294 BTU/h), suiting roughly 850–1,200 sq ft. The Blaze King Industries Princess PI29 Insert (2) has the larger firebox (2.63 vs 1.15 cu ft), which generally means longer burns between reloads. Combustion technology differs: the Blaze King Industries Princess PI29 Insert (2) is a catalytic stove and the Woodstock Soapstone Company 212N Navajo Hybrid Wood-Coal a hybrid — see the catalytic vs non-catalytic guide for what that means day to day.
| Blaze King Industries Princess PI29 Insert (2) | Woodstock Soapstone Company 212N Navajo Hybrid Wood-Coal | |
|---|---|---|
| Appliance type | wood-stove | wood-stove |
| Combustion technology | Catalytic Stove | Hybrid |
| Certified fuel | Crib Wood | Crib Wood |
| Emission rate | 1 g/hr | 1 g/hr |
| Efficiency (HHV) | 80 % | 79 % |
| Heat output (low) | 9023 BTU/h | 15332 BTU/h |
| Heat output (high) | 30194 BTU/h | 27294 BTU/h |
| Firebox volume | 2.63 cu ft | 1.15 cu ft |
| Carbon monoxide | 0.704 g/min | 0.15 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 | 108-17 |
| Covered model numbers | Princess PI29 Insert | 212N Navajo Hybrid Wood-Coal, 212S Survival Hybrid Wood-Coal |
Frequently asked questions
Which burns cleaner, the Blaze King Industries Princess PI29 Insert (2) or the Woodstock Soapstone Company 212N Navajo Hybrid Wood-Coal?
They are tied: both are certified at 1 g/hr of particulates.
Are the Blaze King Industries Princess PI29 Insert (2) and Woodstock Soapstone Company 212N Navajo Hybrid Wood-Coal 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.