Wolf Steel Ltd.
EPA lists 0 currently certified model lines and 15 previously certified model lines for Wolf Steel Ltd..
None of these model lines are listed as currently certified in this snapshot.
Source: EPA Certified Wood Heater Database, snapshot 2026-10-23.
Models are grouped under the manufacturer name EPA published.
Evidence used for this hub: No retail-brand mapping is recorded. The hub title is the EPA manufacturer string.
EPA manufacturer string: Wolf Steel Ltd..
Currently certified
EPA does not list a currently certified model line on this hub in the 2026-10-23 snapshot.
Previously certified
| Model line | EPA manufacturer | Status | Emission (g/hr) | HHV efficiency | Heat output | Firebox | Fuel |
|---|---|---|---|---|---|---|---|
| Napoleon EPI3C, Napoleon EPI3T, Napoleon EPI3TN, Timberwolf TI3C-1, Timberwolf TI3T-1, Timberwolf TI3TN-1 | Wolf Steel Ltd. | Previously certified | 1.2 | 72% | 14,492–47,887 BTU/hr | 1.79 cu ft | Cord Wood |
| Napoleon S25, Napoleon S25i, Timberwolf T25, Timberwolf T25i | Wolf Steel Ltd. | Previously certified | 1.3 | 72% | 19,195–54,057 BTU/hr | 2.51 cu ft | Cord Wood |
| NZ3000H, TZ3000H | Wolf Steel Ltd. | Previously certified | 1.4 | 68% | 14,215–42,203 BTU/hr | 2.3 cu ft | Cord Wood |
| Timberwolf 2100, Ambience AMB9000 (Outlander 15) | Wolf Steel Ltd. | Previously certified | 1.6 | 71% | 14,582–30,042 BTU/hr | 1.45 cu ft | Cord Wood |
| TPSI35 | Wolf Steel Ltd. | Previously certified | 2.1 | Not listed | 11,200–36,000 BTU/hr | Not applicable | Wood Pellets |
| Napoleon S30, Timberwolf T30 | Wolf Steel Ltd. | Previously certified | 2.3 | 75% | 12,151–37,829 BTU/hr | 3.2 cu ft | Cord Wood |
| Timberwolf 2200, Timberwolf EPI22, Napoleon S20, Napoleon S20i, Timberwolf T20, Timberwolf T20i, Ambience 9010 (Outlander 19), Ambience 9100 (Outlander i19) | Wolf Steel Ltd. | Previously certified | 2.3 | 72% | 12,944–54,127 BTU/hr | 1.91 cu ft | Cord Wood |
| NPS45 | Wolf Steel Ltd. | Previously certified | 2.4 | Not listed | 8,800–29,000 BTU/hr | Not applicable | Wood Pellets |
| EPI22 | Wolf Steel Ltd. | Previously certified | 2.6 | Not listed | 11,100–31,400 BTU/hr | Not listed | Crib Wood |
| EPI3 | Wolf Steel Ltd. | Previously certified | 2.6 | Not listed | 11,300–28,500 BTU/hr | Not listed | Crib Wood |
| NZ3000H | Wolf Steel Ltd. | Previously certified | 3.3 | 63% | 9,200–22,400 BTU/hr | Not listed | Crib Wood |
| 1400 series (Napoleon 1400, 1400L, 1450,1401),S4, 1402 | Wolf Steel Ltd. | Previously certified | 3.5 | Not listed | 11,500–33,600 BTU/hr | Not listed | Crib Wood |
| 2200 series (Timberwolf 2200, 2201) | Wolf Steel Ltd. | Previously certified | 3.6 | Not listed | 12,000–31,400 BTU/hr | Not listed | Crib Wood |
| 2100 series (Timberwolf) | Wolf Steel Ltd. | Previously certified | 3.9 | Not listed | 11,238–37,580 BTU/hr | Not listed | Crib Wood |
| 1100 series (Napoleon 1100, 1100L, 1100C, 1150, 1101), S1 | Wolf Steel Ltd. | Previously certified | 4.1 | Not listed | 11,700–32,700 BTU/hr | Not listed | Crib Wood |