PAIR11, PAIR11PLUS
Previously certified
EPA lists PAIR11, PAIR11PLUS under Thermorossi s.p.a as a previously certified pellet stove.
The listed emission rate is 0.76 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 | Previously certified |
| Type | Pellet Stove |
| Subtype | Non-Catalytic Stove |
| Emission | 0.76 grams per hour |
| HHV efficiency | 78 percent |
| Heat output | 17,608–36,848 BTU/hr |
| Firebox | Not applicable |
| CO | 0.06 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.
- PAIR11
- PAIR11PLUS
Other model lines from this manufacturer
- Slimquadro 11 Previously certified
- Slimquadro 9 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
- 65R Series: Eco-65R, Blue Ridge P120 — 0.77 grams per hour
- HTP 26 Standard, HTP 26 Standard PedestalInsert — 0.77 grams per hour
- HP 40 — 0.74 grams per hour
- Pel-Pro PP60-B, Pleasant Hearth PH35PS-B, Quadra-Fire Outfitter-I — 0.74 grams per hour
- Pleasant Hearth (PH50PS) — 0.74 grams per hour
HHV efficiency
- 5770E, AP5770E, VG5770E, US5770E, KP5770E, KP5770E-W, CGPS2100, DH3000, BHPS30 — 78 percent
- Castle Serenity 41278 — 78 percent
- Enviro M55-FS-2, Enviro M55C-FS-2, Enviro M55C-FPI-2, FPI GC60-2, and FPI GCI60-2 — 78 percent
- Francesca 2015, Monica 2015, RV 80 Ceramica — 78 percent
- Frontier II — 78 percent
Heat output
- Sahara — 15,224–39,422 BTU/hr
- Enviro M55, M55C, VF55, Greenfire/Hampton GC60 — 9,300–45,500 BTU/hr
- ComfortBilt HP55 — 19,019–35,844 BTU/hr
- Patriot PS24, Frontier PS25 — 7,961–46,913 BTU/hr
- Hampton GC60, GCI60 Hampton Cast Pellet Stove and Insert — 9,400–45,500 BTU/hr