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.