Woodstock Soapstone Company 212N Navajo Hybrid Wood-Coal vs Woodstock Soapstone Company Progress Hybrid 209b
The Woodstock Soapstone Company Progress Hybrid 209b is the cleaner burner: 0.46 g/hr certified particulate emissions versus 1 g/hr. The Woodstock Soapstone Company Progress Hybrid 209b is the more efficient unit: 80% versus 79% HHV — more heat from every cord. The Woodstock Soapstone Company Progress Hybrid 209b produces more peak heat (35,222 vs 27,294 BTU/h), suiting roughly 1,000–1,400 sq ft. The Woodstock Soapstone Company Progress Hybrid 209b has the larger firebox (2.8 vs 1.15 cu ft), which generally means longer burns between reloads.
| Woodstock Soapstone Company 212N Navajo Hybrid Wood-Coal | Woodstock Soapstone Company Progress Hybrid 209b | |
|---|---|---|
| Appliance type | wood-stove | wood-stove |
| Combustion technology | Hybrid | Hybrid |
| Certified fuel | Crib Wood | Crib Wood |
| Emission rate | 1 g/hr | 0.46 g/hr |
| Efficiency (HHV) | 79 % | 80 % |
| Heat output (low) | 15332 BTU/h | 15257 BTU/h |
| Heat output (high) | 27294 BTU/h | 35222 BTU/h |
| Firebox volume | 1.15 cu ft | 2.8 cu ft |
| Carbon monoxide | 0.15 g/min | 0.07 g/min |
| 25C tax credit eligible (≥75% HHV) | Yes | Yes |
| 2020 NSPS compliant | Yes | Yes |
| Currently in production | Yes | Yes |
| EPA certification number | 108-17 | 406-25 |
| Covered model numbers | 212N Navajo Hybrid Wood-Coal, 212S Survival Hybrid Wood-Coal | Progress Hybrid 209b |
Frequently asked questions
Which burns cleaner, the Woodstock Soapstone Company 212N Navajo Hybrid Wood-Coal or the Woodstock Soapstone Company Progress Hybrid 209b?
The Woodstock Soapstone Company Progress Hybrid 209b: 0.46 g/hr certified particulate emissions versus 1 g/hr for the Woodstock Soapstone Company 212N Navajo Hybrid Wood-Coal.
Are the Woodstock Soapstone Company 212N Navajo Hybrid Wood-Coal and Woodstock Soapstone Company Progress Hybrid 209b 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.