Freedom Stoves Independence PS21
Freedom Stoves Independence PS21 is a non-catalytic pellet stove from Freedom Stoves certified at 1.6 g/hr particulate emissions with 78% HHV efficiency and a 8,526–27,884 BTU/h output range.
| Appliance type | pellet-stove |
|---|---|
| Combustion technology | Non-Catalytic Stove |
| Certified fuel | Wood Pellets |
| Covered model numbers | Independence PS21 |
| Emission rate | 1.6 g/hr |
|---|---|
| Carbon monoxide | 0 g/min |
| Efficiency (HHV) | 78 % |
|---|
| Heat output (low) | 8526 BTU/h |
|---|---|
| Heat output (high) | 27884 BTU/h |
| 25C tax credit eligible (≥75% HHV) | Yes |
|---|---|
| 2020 NSPS compliant | Yes |
| Currently in production | Yes |
| EPA certification number | 301-22 |
What space does the Freedom Stoves Independence PS21 suit?
- Its 27,884 BTU/h peak output covers roughly 800–1,100 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.
- Certified burning Wood Pellets .
Similar pellet stoves
- ARDISAM Castle Serenity 41278 (1 g/hr)
- SMG Hearth and Home HP 40 (0.74 g/hr)
- United States Stove Company KP5517 (1.6 g/hr)
- Hearth and Home Technologies P42i-TC (1 g/hr)
- Hearth and Home Technologies P40i-C (0.69 g/hr)
- Gruppo Piazzetta S.P.A Sahara (1.3 g/hr)
Frequently asked questions
Is the Freedom Stoves Independence PS21 EPA certified?
Yes, the Freedom Stoves Independence PS21 is on the EPA's current list of certified wood heaters (certification number 301-22) and meets the 2020 NSPS Step 2 emission limits.
What is the Freedom Stoves Independence PS21's emission rate?
The Freedom Stoves Independence PS21 is certified at 1.6 grams of particulates per hour (tested with wood pellets). 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 Freedom Stoves Independence PS21 heat?
Roughly 800–1,100 sq ft, estimated from its 27,884 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 Freedom Stoves Independence PS21 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 Freedom Stoves Independence PS21'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)