Woodmaster CleanFire 400
Previously certified
EPA lists Woodmaster CleanFire 400 under Northwest Manufacturing Inc as a previously certified hydronic heater.
The listed emission rate is 0.07 pounds per million BTU.
The listed HHV efficiency is 67 percent.
Source: EPA Certified Wood Heater Database, snapshot 2026-10-23.
EPA rows
| Field | Row 1 |
|---|---|
| Status | Previously certified |
| Type | Hydronic Heater |
| Subtype | Non-Catalytic Stove |
| Emission | 0.07 pounds per million BTU |
| HHV efficiency | 67 percent |
| Heat output | 102,408 BTU/hr maximum |
| Heat output maximum | 102,408 BTU/hr |
| Firebox | Not listed |
| CO | Not listed |
| Certified fuel | Cord Wood |
| 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.
- Woodmaster CleanFire 400
Other model lines from this manufacturer
- Woodmaster Mini Boiler Previously certified
- Woodmaster Ultra 30 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
- Classic Edge 560.1, CleanFire 500.1 — 0.07 pounds per million BTU
- Classic Edge 865, CleanFire 1800 — 0.07 pounds per million BTU
- ECO-HK 70 Multifuel — 0.07 pounds per million BTU
- G Series G100/G100s — 0.07 pounds per million BTU
- G Series G200-2/G200s — 0.07 pounds per million BTU
HHV efficiency
- G2-G2 — 67 percent
- GX Series GX30 — 67 percent
- Pellet Burner Easy 35 — 67 percent
- SE110 — 67 percent
- Vedolux 55 — 67 percent
Heat output
- Woodmaster Ultra 30 — 102,716 BTU/hr maximum
- Woodmaster Mini Boiler — 101,577 BTU/hr maximum
- G Class G3 — 26,235–182,387 BTU/hr
- PES 25-32 — 99,797 BTU/hr maximum
- Maxim M255 PE — 27,846–182,504 BTU/hr
Northwest Manufacturing Inc hub · EPA Certified Wood Heater Database