Merlin 3 FS-15, IS-15
Previously certified
EPA lists Merlin 3 FS-15, IS-15 under Sarratt Agencies Limited as a previously certified non-catalytic wood stove.
The listed emission rate is 6.1 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 | 6.1 grams per hour |
| HHV efficiency | Not listed |
| Heat output | 9,800–21,100 BTU/hr |
| Firebox | Not listed |
| CO | Not listed |
| Certified fuel | Not listed |
| 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.
- Merlin 3 FS-15
- IS-15
Other model lines from this manufacturer
No other model line in this snapshot uses this manufacturer string.
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
- Heatilator 1190/Arrow 1490(S20/Heatilator 1290)/Arrow 2090(I20) — 6.1 grams per hour
- Merlin — 6.1 grams per hour
- Quadra-Fire 2000, 2000-I — 6.1 grams per hour
- Brass Flame KS-1005, KS-2000I — 6 grams per hour
- Lopi X Fireplace Insert — 6 grams per hour
HHV efficiency
EPA does not list an HHV efficiency to compare, or no other line lists one.
Heat output
- 6100 B Series (6140 B, 6143 B, 6148 B, 6170 B) — 11,892–19,067 BTU/hr
- Astra 18, Elegance 30, Novo 18 – Soapstone, and Novo 18 – Cast Iron — 11,152–19,821 BTU/hr
- Vermont Castings Intrepid FlexBurn 2115 — 12,480–18,502 BTU/hr
- NSW-1 Sardine — 11,400–19,400 BTU/hr
- WinterWarm Small Insert 2370 — 9,300–21,500 BTU/hr
Sarratt Agencies Limited hub · EPA Certified Wood Heater Database