Imperial MKII, MKII Insert, Goldenaire
Previously certified
EPA lists Imperial MKII, MKII Insert, Goldenaire under Osburn Manufacturing, Inc. as a previously certified non-catalytic wood stove.
The listed emission rate is 7 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 | 7 grams per hour |
| HHV efficiency | Not listed |
| Heat output | 10,700–51,600 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.
- Imperial MKII
- MKII Insert
- Goldenaire
Other model lines from this manufacturer
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
- 400HT — 7 grams per hour
- Combo Air OC — 7 grams per hour
- Energy King Legacy 1600 — 7 grams per hour
- Fireview 2300 — 7 grams per hour
- GK-300HT — 7 grams per hour
HHV efficiency
EPA does not list an HHV efficiency to compare, or no other line lists one.
Heat output
- US1261E, USLW900E — 28,784–33,557 BTU/hr
- Napoleon EPI3C, Napoleon EPI3T, Napoleon EPI3TN, Timberwolf TI3C-1, Timberwolf TI3T-1, Timberwolf TI3TN-1 — 14,492–47,887 BTU/hr
- K100/300/400 SEQUOIA — 10,100–52,100 BTU/hr
- LOPI 380-96 — 9,400–52,800 BTU/hr
- Quadra-Fire 4100 — 11,700–50,500 BTU/hr
Osburn Manufacturing, Inc. hub · EPA Certified Wood Heater Database