Model 55 Series (Eco-55, Eco-55 ST, Eco-55 CT, Osburn 250, HEP55, P40)
Currently certified
EPA lists Model 55 Series (Eco-55, Eco-55 ST, Eco-55 CT, Osburn 250, HEP55, P40) under Stove Builder International, Inc. as a currently certified pellet stove.
The listed emission rate is 0.96 grams per hour.
The listed HHV efficiency is 70 percent.
Source: EPA Certified Wood Heater Database, snapshot 2026-10-23.
EPA rows
| Field | Row 1 |
|---|---|
| Status | Currently certified |
| Type | Pellet Stove |
| Subtype | Non-Catalytic Stove |
| Emission | 0.96 grams per hour |
| HHV efficiency | 70 percent |
| Heat output | 6,600–28,500 BTU/hr |
| Firebox | Not applicable |
| CO | 0.127 g/min |
| Certified fuel | Wood Pellets |
| 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 55 Series Eco-55
- Eco-55 ST
- Eco-55 CT
- Osburn 250
- HEP55
- P40
Other model lines from this manufacturer
- 1.4 Series (Osburn 950, Escape 1200, Gateway 1400, Solution 1.4, Spark II, Fox, Déco Nano, S250, Harmony 1.4, HES140, Blue Ridge 100) Currently certified
- 1.4R Series: Osburn 950 N, Escape 1200 N, Gateway 1400 N, Solution 1.4 N, Spark II N, Fox N, Deco Nano N, S250 N, HES140 N, Blue Ridge 100 N, SP1400 N, SL1400 N Currently certified
- 1.7R Series: Blackcomb II, Escape 1500, Deco II, Columbia II, Savannah II, FW2800, Osburn 1700, Inspire 1700, Harmony 1.7, Solution 1.7, Blue Ridge 200P, Blue Ridge 200L, HES170, Gateway 1700, Escape 1500-I, CW2800, Osburn 1700-I, Matrix 1700-I, Inspire 1700-I, Destination 1.7, Solution 1.7-I, Blue Ridge 200-I, HEI170, Archway 1700 Currently certified
- 2.1 Series (Destination 1.9, Matrix 1900, CW2100, Green Mountain Insert 50, HEI90, Archway 1500, Blue Ridge 150-I) Currently certified
- 2.3 Series (Archway 2300, FW2900, Gateway 2300, Green Mountain Insert 70, Escape 1800, Inspire 2000, Inspire 2000-I, Matrix, Escape 1800-I, Osburn 2000, Osburn 2000-I, Harmony 2.3, Solution 2.3, Solution 2.3-I, CW2900, Destination 2.3-I, Matrix-I, HES240, HEI240, Heritage, Deco Alto, Harmony 2.3-I, Blue Ridge 300P, Blue Ridge 300L, and Blue Ridge 300-I) Currently certified
- 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 Currently certified
- 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) Currently certified
- 25-CBPAH, 55-SHPCBPAH, 55-TRPCBPAH Currently certified
- 25CAB80, 55-SHPCAB80, 55-TRPCAB80, 25-CAB80S, 55-SHPCAB80S, 55-RPCAB80S Currently certified
- 3.5 Series (Solution 3.5, Osburn 3500, Gateway 3500, Escape 2100, HT-3000, Solution 3.5-I, FW3500, Osburn 3500-I, HES350, Hei350, Blue Ridge 500, Escape 2100-I, CW3500, Blue Ridge 500-I) Currently certified
- 55-SHPCB120, 55-TRPCB120, and 25-CB120 Currently certified
- 65R Series: Eco-65R, Blue Ridge P120 Currently certified
- Bistro Series (Bistro, Gusto, Pyra, 600, HEC240, IW600) Currently certified
- Everest III Series: Everest III, HE325R, Dallaire, St. Clair 3000R, Solution 3.0 ZC Currently certified
- HE350, FP-15-Waterloo, Horizon, Monaco XL, WFP100, FP-15A Waterloo, St. Clair 4300, Solution 4.5 ZC Currently certified
- Heat Commander II, Caddy Advanced CR II, Caddy Advanced II, Caddy Advanced L, FC2500, SF2500 Currently certified
- SR-3.2 Series: St-Louis, Helia, Elevate, Chambly, HEA200 Currently certified
- 1.3 Series (Osburn 900, Pyropak, Rocket, S244, Solution 1.3, S245 Previously certified
- 1.6 Series (XVR-II, Solution 1.6, Soho, Destination 1.6, Savannah, Eldorado, FW2600) Previously certified
- 1.7 Series - Archway 1700, Gateway 1700, Columbia II, Savannah II, Deco II, HEI170, HES170, FW2800 Previously certified
- 1.7 Series - Blackcomb II, Harmony 1.7, HEI170, HES170, Solution 1.7, Osburn 1700, Inspire 1700, Escape 1500, Escape 1500-I, Solution 1.7-I, Destination 1.7-I, Osburn 1700-I, Matrix 1700-I, Inspire 1700-I Previously certified
- 15-W06, 50-SHW06, 50-SHW06L, 50TRW06, 15-W08, 50-SHW08, 50-SHW08L, 50TRW08 Previously certified
- 1600 B-I/Ashley 4600/Forester 4700 Previously certified
- 2.5 Series, Solution 2.5 ZC II, Stratford II, FP10 Lafayette II, FP12 Mundo II, Monaco II, HE250R, Destination 2.7, Matrix 2700, WFP-75 8411, FP10 Lafayette IIS, HE275, HE275CF Previously certified
- 2.5 ZC Series (2008) (Monaco, Stratford, Solution 2.5ZC, FP-10, Lafayette, WFP75, HE250, FP-12 Mundo) Previously certified
- 25-PDVC, 25-PDVCH, 55-SHP10, 55-SHP10L, and 55-TRP10 Previously certified
- 3.1 Series (NG-1800) Previously certified
- 3.3 Series Osburn 3300, Austral III, Myriad III, Legend III, Escape 1900, Black Stag II, Solution 3.3, Gateway 3300, FW3200 Previously certified
- 32-NC, 50-SNC32, 50-TNC32 Previously certified
- 55-SHPCBEP, 55-TRPCBEP, and 25-CBEP Previously certified
- 65 Series Euromax (2014), Eco-65 (2014), and Osburn 7000 (2014) Previously certified
- Apollo, Apollo II Previously certified
- BIO-35MF, Eco-35, FP-35, Hybrid-35MF Previously certified
- BIO-45MF, Eco-45, FP-45, Hybrid-45MF Previously certified
- Caddy Alterna II Previously certified
- Caddy, Alterna Previously certified
- Caddy, Caddy-On, Tundra, Heatmax Previously certified
- Caddy, Heatmax II, Tundra II Previously certified
- Cambridge II, 3000C Previously certified
- Century Heating FW3000 (FW3000XX Series, CJW2000XXX Series, Classic (2013), Eastwood 1800 (2013), XVR-I SE (2013), FW3000-SD) Previously certified
All model lines on the Stove Builder International, Inc. hub. This page lists 40 of the other 89 lines.
Nearest model lines by EPA figures
Nearest means the smallest absolute difference on that EPA figure, among other Pellet Stove model lines that list it. Ties are ordered by model name.
Emission
- Cambridge II, 3000C — 0.96 grams per hour
- 5520 — 0.94 grams per hour
- AGP Insert — 0.98 grams per hour
- Thelin Gnome — 0.98 grams per hour
- V4.5 — 0.93 grams per hour
HHV efficiency
- 5770, 5770i, VG5770, VG5770i, AP5770, AP5770i, DNMP577, DNMP577i, 5790, VG5790, AP5790, DNMP579, Comfort Glow CGPS2100, CGPS2200, DuraHeat DHPS2100, DuraHeat DHPS2200 — 70 percent
- Castle Serenity 12327 — 70 percent
- Enviro – Meridian-1, Meridian FPI, Meridian Cast Iron and Regency Greenfire – GF55, GFI55 — 70 percent
- Enviro – Meridian-1, Meridian FPI, Meridian Cast Iron, Regency Greenfire – GF55, GFI55 — 70 percent
- GW1949, AP77, SW1117 — 70 percent
Heat output
- Previa — 8,077–27,113 BTU/hr
- Europa 75a, Rafael 55a — 7,144–28,051 BTU/hr
- Englander 25-PDV, Summers Heat 55SHP22, and Timber Ridge 55TRP22 Pellet — 10,700–24,500 BTU/hr
- KP5513, KP5513-P, KP5513-L, US5513, US5513-P, US5513-L, AP5613, AP5613-P, AP5613-L, VG5713, VG5713-P, VG5713-L, Little E (SP500), 5501S-XH, KP5513-W, US5513-W, AP5613-W, VG5713-W — 10,609–24,676 BTU/hr
- Harman Advance — 5,411–29,468 BTU/hr
Stove Builder International, Inc. hub · EPA Certified Wood Heater Database