ECO-HK 120 Multifuel
Currently certified
EPA lists ECO-HK 120 Multifuel under Hargassner GmbH as a currently certified hydronic heater.
The listed emission rate is 0.04 pounds per million BTU.
The listed HHV efficiency is 88 percent.
Source: EPA Certified Wood Heater Database, snapshot 2026-10-23.
EPA rows
| Field | Row 1 |
|---|---|
| Status | Currently certified |
| Type | Hydronic Heater |
| Subtype | Non-Catalytic Stove |
| Emission | 0.04 pounds per million BTU |
| HHV efficiency | 88 percent |
| Heat output | 53,054–416,833 BTU/hr |
| Heat output maximum | 409,500 BTU/hr |
| Firebox | Not applicable |
| CO | 0.031 g/min |
| Certified fuel | Wood Pellets |
| Test method | Not listed |
| 2020 NSPS | Yes |
| Thermal storage | 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.
- ECO-HK 120 Multifuel
Other model lines from this manufacturer
- NEO HV60 Currently certified
- SMART HV23 Currently certified
- Smart PK32, Nano PK32 Currently certified
- ECO-HK 70 Multifuel Previously certified
Nearest model lines by EPA figures
Nearest means the smallest absolute difference on that EPA figure, among other Hydronic Heater model lines that list it. Ties are ordered by model name.
Emission
- BioWIN 152 — 0.04 pounds per million BTU
- BioWIN 152 — 0.04 pounds per million BTU
- BioWIN 262 — 0.04 pounds per million BTU
- BioWIN 262 — 0.04 pounds per million BTU
- BioWIN 332 — 0.04 pounds per million BTU
HHV efficiency
- BioWin 102 — 88 percent
- CP 500 — 88 percent
- CP 850 — 88 percent
- G Series G10000 — 88 percent
- G Series G10000 — 88 percent
Heat output
- Pellet Burner Easy 35 — 38,666–429,452 BTU/hr
- G Series G200-2/G200s — 232,000 BTU/hr maximum
- Classic Edge 750 — 240,362 BTU/hr maximum
- PE64 — 229,000 BTU/hr maximum
- GX Series GX30 — 242,090 BTU/hr maximum