Woodstock Soapstone Company 209a Progress Hybrid
Woodstock Soapstone Company 209a Progress Hybrid is a hybrid (catalytic + secondary burn) wood stove from Woodstock Soapstone Company certified at 0.63 g/hr particulate emissions with 78% HHV efficiency and a 13,149–47,220 BTU/h output range (previously certified, no longer in production).
Previously certified (out of production). This model appears in the EPA Certified Wood Heater Database but is no longer on the current certified list, which usually means it is no longer manufactured. The specifications below are its certified figures, kept for reference and for owners of installed units. Browse currently certified heaters for models sold new today.
| Appliance type | wood-stove |
|---|---|
| Combustion technology | Hybrid |
| Certified fuel | Cord Wood |
| Covered model numbers | 209a Progress Hybrid |
| Emission rate | 0.63 g/hr |
|---|---|
| Carbon monoxide | 0.16 g/min |
| Efficiency (HHV) | 78 % |
|---|
| Heat output (low) | 13149 BTU/h |
|---|---|
| Heat output (high) | 47220 BTU/h |
| Firebox volume | 2.8 cu ft |
| 25C tax credit eligible (≥75% HHV) | Yes |
|---|---|
| 2020 NSPS compliant | Yes |
| Currently in production | No |
| EPA certification number | 268-20 |
What space does the Woodstock Soapstone Company 209a Progress Hybrid suit?
- Its 47,220 BTU/h peak output covers roughly 1,350–1,900 sq ft at the 25–35 BTU/h-per-square-foot rule of thumb — see the sizing calculator to adjust for your insulation and climate.
- The 2.8 cu ft firebox puts it in the mid-size home class.
- Rough fuel use: about 2.1 cords per season at the midpoint of its output range (8 burn-hours/day, 150-day season, 22 MMBtu/cord — see methodology).
- Certified burning Cord Wood — the test fuel closest to real-world firewood.
Similar wood stoves
- Travis Industries Liberty NexGen-Hybrid (0.9 g/hr)
- FPI/Regency Fireplace Products F5200 (0.9 g/hr)
- Spartherm S 600 Insert (1.7 g/hr)
- Pacific Energy Fireplace Products Limited FP16 LE (1.4 g/hr)
- Travis Industries 36 Elite NexGen-Hybrid (0.6 g/hr)
- Wolf Steel Napoleon EPI3C (1.2 g/hr)
Frequently asked questions
Is the Woodstock Soapstone Company 209a Progress Hybrid EPA certified?
The Woodstock Soapstone Company 209a Progress Hybrid holds EPA certification number 268-20 but is no longer on the current certified list — it is previously certified, which usually means the model is out of production. Already-installed units are unaffected by that status in most jurisdictions.
What is the Woodstock Soapstone Company 209a Progress Hybrid's emission rate?
The Woodstock Soapstone Company 209a Progress Hybrid is certified at 0.63 grams of particulates per hour (tested with cord wood). Real-world emissions depend heavily on fuel moisture and operation — the lab figure assumes seasoned fuel and correct air settings.
How many square feet can the Woodstock Soapstone Company 209a Progress Hybrid heat?
Roughly 1,350–1,900 sq ft, estimated from its 47,220 BTU/h peak output at 25–35 BTU/h per square foot. Insulation, climate, ceiling height, and floor plan move this figure substantially in both directions.
Does the Woodstock Soapstone Company 209a Progress Hybrid qualify for a federal tax credit?
No — the federal 25C credit for biomass stoves was terminated for property placed in service after December 31, 2025. The Woodstock Soapstone Company 209a Progress Hybrid's certified efficiency is 78% HHV, which met the credit's ≥75% HHV threshold while it existed. State and local incentive programs may still apply — check your state energy office and air district.
Sources
- cfpub.epa.gov (retrieved 2026-07-23)