Woodmaster Ultra 30
Previously certified
EPA lists Woodmaster Ultra 30 under Northwest Manufacturing Inc as a previously certified hydronic heater.
The listed emission rate is 0.09 pounds per million BTU.
The listed HHV efficiency is 59 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 | 0.09 pounds per million BTU |
| HHV efficiency | 59 percent |
| Heat output | 102,716 BTU/hr maximum |
| Heat output maximum | 102,716 BTU/hr |
| Firebox | Not applicable |
| CO | Not listed |
| Certified fuel | Wood Pellets |
| Test method | Not listed |
| 2020 NSPS | No |
| 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 Ultra 30
Other model lines from this manufacturer
- Woodmaster CleanFire 400 Previously certified
- Woodmaster Mini Boiler 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
- S3 Turbo 30 — 0.09 pounds per million BTU
- BIO200 — 0.08 pounds per million BTU
- Crown Royal Stoves 7200E — 0.08 pounds per million BTU
- Crown Royal Stoves 7300E — 0.08 pounds per million BTU
- G3-G3 — 0.08 pounds per million BTU
HHV efficiency
- 350X — 58 percent
- BioWIN 212 — 58 percent
- BioWIN 212 — 58 percent
- Blaze HE — 58 percent
- Crown Royal RS7200E — 60 percent
Heat output
- Woodmaster CleanFire 400 — 102,408 BTU/hr maximum
- Woodmaster Mini Boiler — 101,577 BTU/hr maximum
- G Class G3 — 26,235–182,387 BTU/hr
- Maxim M255 PE — 27,846–182,504 BTU/hr
- PES 25-32 — 99,797 BTU/hr maximum
Northwest Manufacturing Inc hub · EPA Certified Wood Heater Database