Foyers Supreme Lumis 22 – Soapstone
Foyers Supreme Lumis 22 – Soapstone is a non-catalytic wood stove from Foyers Supreme certified at 1.3 g/hr particulate emissions with 67% HHV efficiency and a 10,076–19,559 BTU/h output range.
| Appliance type | wood-stove |
|---|---|
| Combustion technology | Non-Catalytic Stove |
| Certified fuel | Crib Wood |
| Covered model numbers | Lumis 22 – Soapstone, Regal 22 – Soapstone, Flair 29, Lumis 22 - Cast Iron, Regal 22 – Cast Iron |
| Emission rate | 1.3 g/hr |
|---|---|
| Carbon monoxide | 2.2 g/min |
| Efficiency (HHV) | 67 % |
|---|
| Heat output (low) | 10076 BTU/h |
|---|---|
| Heat output (high) | 19559 BTU/h |
| Firebox volume | 1.91 cu ft |
| 25C tax credit eligible (≥75% HHV) | No |
|---|---|
| 2020 NSPS compliant | Yes |
| Currently in production | Yes |
| EPA certification number | 385-24 |
What space does the Foyers Supreme Lumis 22 – Soapstone suit?
- Its 19,559 BTU/h peak output covers roughly 550–800 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 1.91 cu ft firebox puts it in the mid-size home class.
- Rough fuel use: about 1.2 cords per season at the midpoint of its output range (8 burn-hours/day, 150-day season, 22 MMBtu/cord — see methodology).
- Certified burning Crib Wood .
Similar wood stoves
- Foyers Supreme Astra 18 (2) (1.2 g/hr)
- Rais A/S Q-Tee II USA Series: Q-Tee II USA (0.7 g/hr)
- Morso Jernstoberi A/S 6100 B Series (6140 B (1.8 g/hr)
- Hearth and Home Technologies Vermont Castings Aspen C3 (2 g/hr)
- J. A. Roby Supero (1.5 g/hr)
- Rais A/S Nexo 100 ManualNexo 100 Classic Manual (1.1 g/hr)
Frequently asked questions
Is the Foyers Supreme Lumis 22 – Soapstone EPA certified?
Yes, the Foyers Supreme Lumis 22 – Soapstone is on the EPA's current list of certified wood heaters (certification number 385-24) and meets the 2020 NSPS Step 2 emission limits.
What is the Foyers Supreme Lumis 22 – Soapstone's emission rate?
The Foyers Supreme Lumis 22 – Soapstone is certified at 1.3 grams of particulates per hour (tested with crib 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 Foyers Supreme Lumis 22 – Soapstone heat?
Roughly 550–800 sq ft, estimated from its 19,559 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 Foyers Supreme Lumis 22 – Soapstone 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 Foyers Supreme Lumis 22 – Soapstone's certified efficiency is 67% HHV, which did not meet 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)