NSW-1 Sardine
Previously certified
EPA lists NSW-1 Sardine under Navigator Stove Works, Inc. as a previously certified non-catalytic wood stove.
The listed emission rate is 3.5 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 | Wood Stove |
| Subtype | Non-Catalytic Stove |
| Emission | 3.5 grams per hour |
| HHV efficiency | Not listed |
| Heat output | 11,400–19,400 BTU/hr |
| Firebox | Not listed |
| CO | Not listed |
| 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.
- NSW-1 Sardine
Other model lines from this manufacturer
- Navigator NSW2 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
- 1400 series (Napoleon 1400, 1400L, 1450,1401),S4, 1402 — 3.5 grams per hour
- 15-SSW02,50-SHSSW02, and 50-TRSSW02 — 3.5 grams per hour
- Alpine — 3.5 grams per hour
- Andersen 8.2 — 3.5 grams per hour
- Ashwood — 3.5 grams per hour
HHV efficiency
EPA does not list an HHV efficiency to compare, or no other line lists one.
Heat output
- WinterWarm Small Insert 2370 — 9,300–21,500 BTU/hr
- True North TN10 — 13,084–17,623 BTU/hr
- 400 — 8,700–22,000 BTU/hr
- Merlin 3 FS-15, IS-15 — 9,800–21,100 BTU/hr
- WinterWarm Small Insert 2370 — 9,200–21,500 BTU/hr
Navigator Stove Works, Inc. hub · EPA Certified Wood Heater Database