Hearth and Home Technologies Quadra-Fire 21M-ACC-C vs Woodstock Soapstone Company Fireview Soapstone Stove 205b
The Woodstock Soapstone Company Fireview Soapstone Stove 205b is the cleaner burner: 1.6 g/hr certified particulate emissions versus 1.7 g/hr. The Woodstock Soapstone Company Fireview Soapstone Stove 205b is the more efficient unit: 77% versus 76% HHV — more heat from every cord. The Woodstock Soapstone Company Fireview Soapstone Stove 205b produces more peak heat (56,499 vs 29,322 BTU/h), suiting roughly 1,600–2,250 sq ft. The Woodstock Soapstone Company Fireview Soapstone Stove 205b has the larger firebox (1.85 vs 1.48 cu ft), which generally means longer burns between reloads. Combustion technology differs: the Hearth and Home Technologies Quadra-Fire 21M-ACC-C is a non-catalytic stove and the Woodstock Soapstone Company Fireview Soapstone Stove 205b a catalytic stove — see the catalytic vs non-catalytic guide for what that means day to day.
| Hearth and Home Technologies Quadra-Fire 21M-ACC-C | Woodstock Soapstone Company Fireview Soapstone Stove 205b | |
|---|---|---|
| Appliance type | wood-stove | wood-stove |
| Combustion technology | Non-Catalytic Stove | Catalytic Stove |
| Certified fuel | Crib Wood | Crib Wood |
| Emission rate | 1.7 g/hr | 1.6 g/hr |
| Efficiency (HHV) | 76 % | 77 % |
| Heat output (low) | 13585 BTU/h | 10590 BTU/h |
| Heat output (high) | 29322 BTU/h | 56499 BTU/h |
| Firebox volume | 1.48 cu ft | 1.85 cu ft |
| Carbon monoxide | 1.5 g/min | 0.9 g/min |
| 25C tax credit eligible (≥75% HHV) | Yes | Yes |
| 2020 NSPS compliant | Yes | Yes |
| Currently in production | Yes | Yes |
| EPA certification number | 250-20 | 397-25 |
| Covered model numbers | Quadra-Fire 21M-ACC-C, Discovery-1-C, FF-WP-100 | Fireview Soapstone Stove 205b |
Frequently asked questions
Which burns cleaner, the Hearth and Home Technologies Quadra-Fire 21M-ACC-C or the Woodstock Soapstone Company Fireview Soapstone Stove 205b?
The Woodstock Soapstone Company Fireview Soapstone Stove 205b: 1.6 g/hr certified particulate emissions versus 1.7 g/hr for the Hearth and Home Technologies Quadra-Fire 21M-ACC-C.
Are the Hearth and Home Technologies Quadra-Fire 21M-ACC-C and Woodstock Soapstone Company Fireview Soapstone Stove 205b 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.