P955, P956, and P957
Previously certified
EPA lists P955, P956, and P957 under Gruppo Piazzetta S.P.A. as a previously certified pellet stove.
The listed emission rate is 2.3 grams per hour.
EPA does not list an HHV efficiency for this model line.
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 | 2.3 grams per hour |
| HHV efficiency | Not listed |
| Heat output | 9,000–29,700 BTU/hr |
| Firebox | Not applicable |
| CO | Not listed |
| Certified fuel | Wood Pellets |
| Test method | Not listed |
| 2020 NSPS | No |
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.
- P955
- P956
- and P957
Other model lines from this manufacturer
- Maryon, Maryon FG Currently certified
- P158, P158 D, and P158 T 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
- 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
- Maxx-B — 2.3 grams per hour
- P958 — 2.3 grams per hour
- Sabrina, Sveva, Samanta, Siria — 2.3 grams per hour
- Monia, Marcella, Marcella, Mia, Maira — 2.2 grams per hour
- Soul Pellet Stove Insert, Soul 700 free standing, Soul 700 Insert — 2.2 grams per hour
HHV efficiency
EPA does not list an HHV efficiency to compare, or no other line lists one.
Heat output
- V3.4 — 10,243–28,441 BTU/hr
- 5780, AP5780, VG5780, SP5780, and SP58 — 12,293–26,386 BTU/hr
- Ashby-P II — 9,696–28,966 BTU/hr
- P42i-TC — 5,637–32,782 BTU/hr
- 6039, 6039 T, 6039 HF, 6039 TP, 6041, SP6000 — 8,500–29,900 BTU/hr
Gruppo Piazzetta S.P.A. hub · EPA Certified Wood Heater Database