P158, P158 D, and P158 T
Currently certified
EPA lists P158, P158 D, and P158 T under Gruppo Piazzetta S.P.A. as a currently certified pellet stove.
The listed emission rate is 0.79 grams per hour.
The listed HHV efficiency is 83 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 | 0.79 grams per hour |
| HHV efficiency | 83 percent |
| Heat output | 12,482–31,491 BTU/hr |
| Firebox | Not applicable |
| CO | 0.077 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.
- P158
- P158 D
- and P158 T
Other model lines from this manufacturer
- Maryon, Maryon FG Currently certified
- P163, P163 D, and P163 T Currently certified
- Sahara Currently certified
- 904 Previously certified
- 905 Previously certified
- LIA, LISA Previously certified
- Monia 2.0, Marcella 2.0, Maya 2.0, Monica 2.0 Previously certified
- Monia, Marcella, Marcella, Mia, Maira Previously certified
- P955, P956, and P957 Previously certified
- P958 Previously certified
- P960, P961, P962 Previously certified
- P963 Previously certified
- Sabrina 2.0, Sally 2.0, Solange 2.0, Sveva 2.0 Previously certified
- Sabrina, Sveva, Samanta, Siria 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
- Deerfield — 0.79 grams per hour
- GW1949, AP77, SW1117 — 0.8 grams per hour
- Quadra-fire Classic Bay 1200i-C — 0.78 grams per hour
- 65R Series: Eco-65R, Blue Ridge P120 — 0.77 grams per hour
- HTP 26 Standard, HTP 26 Standard PedestalInsert — 0.77 grams per hour
HHV efficiency
- 5710E, AP5710E, VG5710E, 5501SE, AP5501SE, VG5501SE, 5710-XHE, US513ME, Breckwell SP600, Comfort Glow CGPS2050 — 83 percent
- Europa 75a, Rafael 55a — 83 percent
- G2-A90WTS, G2-C90WTS, G2-H90WTS, G2-J90WTS, G2-N90WTS — 83 percent
- HP 61 — 83 percent
- Maryon, Maryon FG — 83 percent
Heat output
- Harman P43 — 12,600–31,300 BTU/hr
- HR-2 — 10,500–33,400 BTU/hr
- HR-2 — 10,500–33,400 BTU/hr
- HR-2 — 10,500–33,400 BTU/hr
- Slimquadro 9 — 11,356–32,691 BTU/hr
Gruppo Piazzetta S.P.A. hub · EPA Certified Wood Heater Database