Sweet Home Catalytic Fir AK-18
Previously certified
EPA lists Sweet Home Catalytic Fir AK-18 under Sierra Products, Inc. as a previously certified catalytic wood stove.
The listed emission rate is 3.1 grams per hour.
EPA does not list an HHV efficiency for this model line.
Source: EPA Certified Wood Heater Database, snapshot 2026-10-23.
EPA rows
| Field | Row 1 |
|---|---|
| Status | Previously certified |
| Type | Wood Stove |
| Subtype | Catalytic Stove |
| Emission | 3.1 grams per hour |
| HHV efficiency | Not listed |
| Heat output | 8,800–29,500 BTU/hr |
| Firebox | Not listed |
| CO | Not listed |
| Certified fuel | Crib Wood |
| Test method | Not listed |
| 2020 NSPS | No |
Retail names in the model line
These are the names split from EPA's model cell. They are aliases for this line, not separate listings.
- Sweet Home Catalytic Fir AK-18
Other model lines from this manufacturer
- EasyFire Pellet Stove Currently certified
- S2300 FS, S2300 PB Currently certified
- S8000II TEC Currently certified
- Ambassador 4700TE Previously certified
- Cricket 5300 Previously certified
- Cricket MHCR 5200 Previously certified
- EF-2100 Previously certified
- Evolution 7000TE,7000C Previously certified
- Evolution 8000TE Previously certified
- Sierra Ambassador 4700 TEC Previously certified
- Sierra Classic 1500T Previously certified
- Sierra Evolution 8000 TEC Previously certified
- Sweet Home AFX-HT, AFI-HT Previously certified
- Sweet Home Solitaire PFA 2000 Previously certified
Nearest model lines by EPA figures
Nearest means the smallest absolute difference on that EPA figure, among other Wood Stove model lines that list it. Ties are ordered by model name.
Emission
- 100B 90 32 TV — 3.1 grams per hour
- 18 — 3.1 grams per hour
- 2500 ST — 3.1 grams per hour
- 2500, SW3100 — 3.1 grams per hour
- 3112 and 3142 — 3.1 grams per hour
HHV efficiency
EPA does not list an HHV efficiency to compare, or no other line lists one.
Heat output
- 7900 Series (7940, 7943, 7948, 7970, 7990) — 11,600–26,700 BTU/hr
- HEI150, CW2500 (2014), Destination 1.5-I — 11,800–26,500 BTU/hr
- Madison 15-SSW01, 50-SHSSW01, 50-TRSSW01 — 12,000–26,300 BTU/hr
- Scan 5.2 — 11,800–26,500 BTU/hr
- 5100I ACC — 10,500–27,900 BTU/hr
Sierra Products, Inc. hub · EPA Certified Wood Heater Database