Foyers Supreme Astra 24 24SFC
Foyers Supreme Astra 24 24SFC is a non-catalytic wood stove from Foyers Supreme certified at 1 g/hr particulate emissions with 71% HHV efficiency and a 11,131–24,090 BTU/h output range.
| Appliance type | wood-stove |
|---|---|
| Combustion technology | Non-Catalytic Stove |
| Certified fuel | Crib Wood |
| Covered model numbers | Astra 24 24SFC, Novo 24 - Cast Iron, Monarch 24 (24SFC) |
| Emission rate | 1 g/hr |
|---|---|
| Carbon monoxide | 1.6 g/min |
| Efficiency (HHV) | 71 % |
|---|
| Heat output (low) | 11131 BTU/h |
|---|---|
| Heat output (high) | 24090 BTU/h |
| Firebox volume | 2.25 cu ft |
| 25C tax credit eligible (≥75% HHV) | No |
|---|---|
| 2020 NSPS compliant | Yes |
| Currently in production | Yes |
| EPA certification number | 102-17 |
What space does the Foyers Supreme Astra 24 24SFC suit?
- Its 24,090 BTU/h peak output covers roughly 700–950 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 2.25 cu ft firebox puts it in the mid-size home class.
- Rough fuel use: about 1.4 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
- Blaze King Industries 25 Series: Sirocco 25 (SC25) Insert (0.74 g/hr)
- Foyers Supreme Astra 24 24SFC (2) (1.9 g/hr)
- Blaze King Industries Princess PI29 Insert (1.3 g/hr)
- Energy Distribution Invicta Group: Kazan (1.8 g/hr)
- STUV AMERICA STUV 1668IN (1.7 g/hr)
- FPI/Regency Fireplace Products F1500 (1 g/hr)
Frequently asked questions
Is the Foyers Supreme Astra 24 24SFC EPA certified?
Yes, the Foyers Supreme Astra 24 24SFC is on the EPA's current list of certified wood heaters (certification number 102-17) and meets the 2020 NSPS Step 2 emission limits.
What is the Foyers Supreme Astra 24 24SFC's emission rate?
The Foyers Supreme Astra 24 24SFC is certified at 1 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 Astra 24 24SFC heat?
Roughly 700–950 sq ft, estimated from its 24,090 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 Astra 24 24SFC 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 Astra 24 24SFC's certified efficiency is 71% 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)