Nestor Martin S43, SP43, H43, and C43
Previously certified
EPA lists Nestor Martin S43, SP43, H43, and C43 under Hearthstone Quality Home Heating Products Inc. as a previously certified non-catalytic wood stove.
The listed emission rate is 4.2 grams per hour.
The listed HHV efficiency is 66 percent.
Source: EPA Certified Wood Heater Database, snapshot 2026-10-23.
EPA rows
| Field | Row 1 |
|---|---|
| Status | Previously certified |
| Type | Wood Stove |
| Subtype | Non-Catalytic Stove |
| Emission | 4.2 grams per hour |
| HHV efficiency | 66 percent |
| Heat output | 11,450–30,850 BTU/hr |
| Firebox | Not listed |
| CO | 1.78 g/min |
| Certified fuel | Crib Wood |
| 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.
- Nestor Martin S43
- SP43
- H43
- and C43
Other model lines from this manufacturer
- Bari 8171, Bari Plus 8172 Currently certified
- Castleton 8031 Currently certified
- Clydesdale 8492 Currently certified
- Green Mountain 40 Series: Green Mountain 40 (8640), Craftsbury 2 (8392), Hipster 14 (AMB8240) Currently certified
- Green Mountain 60 8660, Hipster 20 AMB8260, Shelburne 8372 Currently certified
- Green Mountain 60-1 (Model 8661), Shelburne 3 (Model 8373), Hipster 20-1 (Model 8261) Currently certified
- Green Mountain 80 8680 Currently certified
- Green Mountain 80-1 (Model 8681), Okemo (Model 8380), Hipster 30 (Model 8280) Currently certified
- Heritage 8024 Currently certified
- Lincoln 8060, Green Mountain 20 (8620), Dorset (8330) Currently certified
- Manchester 8362 Currently certified
- Mansfield 8013 Currently certified
- WFP100 Currently certified
- Bennington Previously certified
- Castleton 8030 Previously certified
- Clydesdale 8490 Previously certified
- Clydesdale 8491 Previously certified
- Craftsbury 1 8391 Previously certified
- Craftsbury 8390 Previously certified
- Equinox 8000 Previously certified
- Heritage Previously certified
- Heritage (8022) Previously certified
- Heritage 8023 Previously certified
- Heritage 8090 Previously certified
- Heritage 8091, Manchester 8330 Previously certified
- Heritage I (8021) Previously certified
- Homestead 8570 Previously certified
- Manchester 2 8361 Previously certified
- Manchester 8360 Previously certified
- Mansfield 1 8011 Previously certified
- Mansfield 2 8012 Previously certified
- Morgan 8470 Previously certified
- Phoenix 8612 Previously certified
- Shelburne 1 8371 Previously certified
- Shelburne Model 8370 Previously certified
- Starlet Previously certified
- Tribute 8040 Previously certified
- Tula 8190/8191 Previously certified
Nearest model lines by EPA figures
Nearest means the smallest absolute difference on that EPA figure, among other Wood Stove model lines that list it. Ties are ordered by model name.
Emission
- 1269E — 4.2 grams per hour
- 2469E — 4.2 grams per hour
- 5100I ACC — 4.2 grams per hour
- 5700 ACT/ Step Top — 4.2 grams per hour
- Arrow S32 and I32 — 4.2 grams per hour
HHV efficiency
- 16 IN Model Line: Lumis 16 (16 IN), Flair 25 (16 IN), Regal 16 (16IN) — 66 percent
- Everest II Series HE300 II, HE325, Everest II, St. Clair 3000 — 66 percent
- F370 — 66 percent
- Flair 34, Lumis 32 - Cast Iron, Lumis 32 - Soapstone, Regal 32 - Soapstone, Regal 32 - Cast Iron — 66 percent
- Focus 320 SBR, Onyx SBR — 66 percent
Heat output
- Heritage Classic T16 and VT16 — 11,000–31,300 BTU/hr
- Legend, Baltic, Austral, Myriad, Azimuth, 2300, Magnolia 2015 — 11,500–30,800 BTU/hr
- New Generation NG 1800/Magnolia 2015 — 11,500–30,800 BTU/hr
- SBF/A — 8,700–33,600 BTU/hr
- GM30NC, GMP30, GMI30 — 12,970–29,305 BTU/hr