Blaze King Industries 25 Series: Sirocco 25 (SC25) Insert vs Woodstock Soapstone Company 212N Navajo Hybrid Wood-Coal
The Blaze King Industries 25 Series: Sirocco 25 (SC25) Insert is the cleaner burner: 0.74 g/hr certified particulate emissions versus 1 g/hr. They tie on efficiency at 79% HHV. The Woodstock Soapstone Company 212N Navajo Hybrid Wood-Coal produces more peak heat (27,294 vs 24,085 BTU/h), suiting roughly 800–1,100 sq ft. The Blaze King Industries 25 Series: Sirocco 25 (SC25) Insert has the larger firebox (2.08 vs 1.15 cu ft), which generally means longer burns between reloads. Combustion technology differs: the Blaze King Industries 25 Series: Sirocco 25 (SC25) Insert 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 25 Series: Sirocco 25 (SC25) Insert | 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 | 0.74 g/hr | 1 g/hr |
| Efficiency (HHV) | 79 % | 79 % |
| Heat output (low) | 8038 BTU/h | 15332 BTU/h |
| Heat output (high) | 24085 BTU/h | 27294 BTU/h |
| Firebox volume | 2.08 cu ft | 1.15 cu ft |
| Carbon monoxide | 0.21 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 | 30-16 | 108-17 |
| Covered model numbers | 25 Series: Sirocco 25 (SC25) Insert, Ashford 25 (AF25) Insert, Boxer 24 (BX24) Freestanding | 212N Navajo Hybrid Wood-Coal, 212S Survival Hybrid Wood-Coal |
Frequently asked questions
Which burns cleaner, the Blaze King Industries 25 Series: Sirocco 25 (SC25) Insert or the Woodstock Soapstone Company 212N Navajo Hybrid Wood-Coal?
The Blaze King Industries 25 Series: Sirocco 25 (SC25) Insert: 0.74 g/hr certified particulate emissions versus 1 g/hr for the Woodstock Soapstone Company 212N Navajo Hybrid Wood-Coal.
Are the Blaze King Industries 25 Series: Sirocco 25 (SC25) Insert 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.