Enviro M55-FS-2, Enviro M55C-FS-2, Enviro M55C-FPI-2, FPI GC60-2, and FPI GCI60-2
Currently certified
EPA lists Enviro M55-FS-2, Enviro M55C-FS-2, Enviro M55C-FPI-2, FPI GC60-2, and FPI GCI60-2 under Sherwood Industries, Ltd. as a currently certified pellet stove.
The listed emission rate is 1.9 grams per hour.
The listed HHV efficiency is 78 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 | 1.9 grams per hour |
| HHV efficiency | 78 percent |
| Heat output | 7,817–38,437 BTU/hr |
| Firebox | Not listed |
| CO | 0.4 g/min |
| Certified fuel | Not listed |
| 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.
- Enviro M55-FS-2
- Enviro M55C-FS-2
- Enviro M55C-FPI-2
- FPI GC60-2
- and FPI GCI60-2
Other model lines from this manufacturer
- EF2-1, Chatham-1, Davenport-1, Kinderhook-1 Currently certified
- Enviro - Meridian-2, Meridian FPI-2, Meridian Cast Iron-2, Regency Greenfire GF55-2, GFI55-2 Currently certified
- Enviro – Maxx-1 Currently certified
- Enviro Mini 2, Enviro P3-2 Regency Greenfire GF40-2 Currently certified
- CH-77, CH-84 Previously certified
- EF2, Chatham, Davenport and Kinderhook Previously certified
- EF3, Meridan, Vista Flame 100, Greenfire GF55, GF55FPI Previously certified
- EF5/Enviro P4 Previously certified
- EMPRESS FPI, Milan Previously certified
- Empress FS Previously certified
- Enviro - M55 FS, M55C-FPI, Regency Greenfire – GC60, GCI60 Previously certified
- Enviro – Meridian-1, Meridian FPI, Meridian Cast Iron, Regency Greenfire – GF55, GFI55 Previously certified
- Enviro – Mini, P3, Regency Greenfire – GF40 Previously certified
- Enviro 1200, 1200I, Vista Flame 1200, 1200I, 1200 Venice (Kodiak, Boston, Cabello) Previously certified
- Enviro 1700I, 1700 and Vista Flame 1700I, 1700, 1700 Venice (Kodiak, Boston, Cabello) Previously certified
- Enviro Fire 1000FS and Vista Flame 1000FS, 1000 Previously certified
- Enviro M55, M55C, VF55, Greenfire/Hampton GC60 Previously certified
- Greenfire GF55, GFI55 Previously certified
- Maxx-B Previously certified
- Mini (P3)Greenfire GF40 Previously certified
- Vista Flame 1600 FS, 1600 FPI, Envirofire 1600 FS, 1600 FPI Previously certified
- Vista Flame 2100 FS, Envirofire 2100 FS Previously certified
- Vista Flame Envirofire 1000 Previously certified
- Vista Flame Envirofire 1500 Previously certified
- Vista Flame Envirofire 2000 Previously certified
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
- 5660E, AP5660, AP5660L, AP5660PE, DNMP566 — 1.9 grams per hour
- Eclipse-P II — 1.9 grams per hour
- FBX S, FBX S+, FBX T, FBX R, FBX BUMP, ZEFIRO — 1.9 grams per hour
- GW1949 — 1.9 grams per hour
- HP22 ComfortBilt — 1.9 grams per hour
HHV efficiency
- 5770E, AP5770E, VG5770E, US5770E, KP5770E, KP5770E-W, CGPS2100, DH3000, BHPS30 — 78 percent
- Castle Serenity 41278 — 78 percent
- Francesca 2015, Monica 2015, RV 80 Ceramica — 78 percent
- Frontier II — 78 percent
- Genesis 106/108 — 78 percent
Heat output
- KP5522, KP5522-P, KP5522-L, KP5522-W, US5522, US5522-P, US5522-L, US5522-W, AP5622, AP5622-P, AP5622-L, AP5622-W, VG5722, VG5722-P, VG5722-L, VG5722-W, SP1100, SP1100-W, KP130-B — 13,640–32,591 BTU/hr
- Quadra-fire CB12001/Classic Bay 1200i — 11,500–34,600 BTU/hr
- G2-A50WTS, G2-C50WTS, G2-H50WTS, G2-J50WTS, G2-N50WTS — 11,887–34,172 BTU/hr
- EF3, Meridan, Vista Flame 100, Greenfire GF55, GF55FPI — 6,500–40,000 BTU/hr
- Greenfire GF55, GFI55 — 6,500–40,000 BTU/hr
Sherwood Industries, Ltd. hub · EPA Certified Wood Heater Database