Model 91
Previously certified
EPA lists Model 91 under New Buck Corporation (Buck Stove Corp.) as a previously certified catalytic wood stove.
The listed emission rate is 1.9 grams per hour.
The listed HHV efficiency is 80 percent.
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 | 1.9 grams per hour |
| HHV efficiency | 80 percent |
| Heat output | 10,367–62,745 BTU/hr |
| Firebox | 2.61 cu ft |
| CO | 0.542 g/min |
| Certified fuel | Cord Wood |
| Test method | Not listed |
| 2020 NSPS | Yes |
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.
- Model 91
Other model lines from this manufacturer
- 21NC Currently certified
- 81C, Carolina 82C Currently certified
- Model 91, Carolina 92 Currently certified
- 18 Previously certified
- 20 Previously certified
- 21 (FS21/Elite) Previously certified
- 261 Previously certified
- 41BCV, BBay, CD, CS, CV, CBAY, PCV, PCBAY Previously certified
- 50PCV, 50PBay, 50CV, 50CBay, 50CD, 50BCV, 50BBay Previously certified
- 71 Freestanding/Insert Previously certified
- 81/85 Previously certified
- 94NC Previously certified
- Bay 91 Previously certified
- Buck Bay 91 Previously certified
- Buck Carolina/Tharington 51/T-51/C82 Previously certified
- Buck Master Previously certified
- Buck/Tharrington 74/T-74 Previously certified
- Little Buck 26000-C Previously certified
- Model 74 Previously certified
- Model 81 Previously certified
- New Buck/Carolina 17 Previously certified
- Regular Buck 27000-C Previously certified
- Townsend III Previously certified
- XL-80 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
- 15-SSW01, 50-SHSSW01, 50-TRSSW01, 15-W03, 50-SHW03, 50-TRW03 — 1.9 grams per hour
- 3000 (AFS7500), SW4100 — 1.9 grams per hour
- 3000 DNMW410 — 1.9 grams per hour
- 3000FT — 1.9 grams per hour
- 3112B, 3142B — 1.9 grams per hour
HHV efficiency
- 2.3H Series: Archway 2300 H, FW2900 H, Gateway 2300 H, Green Mountain Insert 70 (8451), Escape 1800 H, Inspire 2000 H, Inspire 2000-I H, Matrix H, Escape 1800-I H, Osburn 2000 H, Osburn 2000-I H, Harmony 2.3 H, Solution 2.3 H, Solution 2.3-I H, CW2900 H, Destination 2.3 H, Destination 2.3-I H, Matrix-I H, HES240 H, HEI240H, Heritage H, Deco Alto H, Blue Ridge 300P H, Blue Ridge 300L H, Blue Ridge 00-I H, Origin 2000 H, Origin 2000-I H, Evasion 2.3 H, Evasion 2.3-I H — 80 percent
- 20.2 Series: Ashford 20.2 (AF20.2), Chinook 20.2 (CK20.2), Sirocco 20.2 (SC20.2) — 80 percent
- 202 Palladian, 204 Keystone — 80 percent
- 2B Classic 2020 — 80 percent
- 2B Standard 2020 — 80 percent
Heat output
- F35 — 13,533–59,443 BTU/hr
- Napoleon S25, Napoleon S25i, Timberwolf T25, Timberwolf T25i — 19,195–54,057 BTU/hr
- Model 81 — 13,795–59,490 BTU/hr
- 3.3 Series Osburn 3300, Austral III, Myriad III, Legend III, Escape 1900, Black Stag II, Solution 3.3, Gateway 3300, FW3200 — 15,841–57,041 BTU/hr
- 2.5R Series (Solution 2.5 ZC II, Stratford II, FP10 Lafayette II, FP12 Mundo II, HE250R, Destination 2.7, Matrix 2700, FP10 Lafayette IIS, WFP-75 8411, HE275, HE275CF, Green Mountain Insert 90 8460, St. Clair 2500) — 12,700–60,700 BTU/hr
New Buck Corporation (Buck Stove Corp.) hub · EPA Certified Wood Heater Database