517 HF
Previously certified
EPA lists 517 HF under Horse Flame Metal USA, Inc. as a previously certified non-catalytic wood stove.
The listed emission rate is 3.6 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 | 3.6 grams per hour |
| HHV efficiency | Not listed |
| Heat output | 8,600–24,400 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.
- 517 HF
Other model lines from this manufacturer
- 717 HF Previously certified
- 917HF, HF917UA Previously certified
- HF577DU 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
- 2200 series (Timberwolf 2200, 2201) — 3.6 grams per hour
- 3 TDIC-2 — 3.6 grams per hour
- 71 Freestanding/Insert — 3.6 grams per hour
- 7600 Series — 3.6 grams per hour
- Apollo, Apollo II — 3.6 grams per hour
HHV efficiency
EPA does not list an HHV efficiency to compare, or no other line lists one.
Heat output
- 6100 Series — 11,100–22,000 BTU/hr
- Bostonian 2500 C (Insert) — 10,600–22,300 BTU/hr
- DutchWest Small — 7,800–25,100 BTU/hr
- Dutchwest Small 2460 — 7,800–25,100 BTU/hr
- Dutchwest Small 2477 — 7,800–25,100 BTU/hr
Horse Flame Metal USA, Inc. hub · EPA Certified Wood Heater Database