Slimquadro 9
Previously certified
EPA lists Slimquadro 9 under Thermorossi s.p.a as a previously certified pellet stove.
The listed emission rate is 0.7 grams per hour.
The listed HHV efficiency is 79 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 | 0.7 grams per hour |
| HHV efficiency | 79 percent |
| Heat output | 11,356–32,691 BTU/hr |
| Firebox | Not applicable |
| CO | 0.15 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.
- Slimquadro 9
Other model lines from this manufacturer
- PAIR11, PAIR11PLUS Previously certified
- Slimquadro 11 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
- LIA, LISA — 0.7 grams per hour
- P-1000W — 0.7 grams per hour
- Prescott II EXP, Prescott II EXL — 0.7 grams per hour
- Quadra-Fire TREKKER-MBK, TREKKER-PMH, TREKKER-TWL TREKKERI-MBK, TREKKERI-PMH, TREKKERI-TWL (formerly the Quadra Fire Mount Vernon E2-C, Quadra Fire Mount Vernon E2-C Insert) — 0.7 grams per hour
- RV100 Classic — 0.7 grams per hour
HHV efficiency
- 25-SSP01,25-SSP01S,55-SHSSP01,55SHSSP01S, 55-TRSSP01, and 55TRSSP01S — 79 percent
- 509-1 Optimum — 79 percent
- Element-P II — 79 percent
- FBX S, FBX S+, FBX T, FBX R, FBX BUMP, ZEFIRO — 79 percent
- G2-ABF66WTS, G2-CBF66WTS, G2-HBF66WTS, G2-JBF66WTS, G2-NBF66WTS — 79 percent
Heat output
- Quadra-Fire CAB50-C, ECO CAB50-C, ECO PS50-C — 7,488–36,591 BTU/hr
- HP 21 — 12,349–31,753 BTU/hr
- Quadra-fire Classic Bay 1200i-C — 10,182–33,925 BTU/hr
- P158, P158 D, and P158 T — 12,482–31,491 BTU/hr
- Harman P43 — 12,600–31,300 BTU/hr