Efel Symphony 387.74
Previously certified
EPA lists Efel Symphony 387.74 under Thermic Distribution Europe as a previously certified catalytic wood stove.
The listed emission rate is 5.1 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 | Catalytic Stove |
| Emission | 5.1 grams per hour |
| HHV efficiency | Not listed |
| Heat output | 10,600–49,700 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.
- Efel Symphony 387.74
Other model lines from this manufacturer
- Efel Symphony 390.74 Previously certified
- Harmony I Previously certified
- Harmony IIIB Previously certified
- S-33,H33,R33, 33 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
- 8180 — 5.1 grams per hour
- BIS Ultra — 5.1 grams per hour
- C-240 and E-240 — 5.1 grams per hour
- Campbell Elite S14XE — 5.1 grams per hour
- Heatilator 11, 12 — 5.1 grams per hour
HHV efficiency
EPA does not list an HHV efficiency to compare, or no other line lists one.
Heat output
- Opel 2000C, OPEL AP — 10,600–49,700 BTU/hr
- 209a Progress Hybrid — 13,149–47,220 BTU/hr
- I2500 — 17,178–42,995 BTU/hr
- CC-185I and 165I — 11,500–48,600 BTU/hr
- Buck Bay 91 — 8,800–51,200 BTU/hr
Thermic Distribution Europe hub · EPA Certified Wood Heater Database