Alternate Heating Systems
EPA lists 2 currently certified model lines and 1 previously certified model line for Alternate Heating Systems.
The lowest listed emission rate among those currently certified lines is 0.08 pounds per million BTU, on SE110.
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: Alternate Heating Systems.
Currently certified
| Model line | EPA manufacturer | Status | Emission (lb/mmBTU) | HHV efficiency | Heat output | Firebox | Fuel |
|---|---|---|---|---|---|---|---|
| SE110 | Alternate Heating Systems | Currently certified | 0.08 | 67% | 16,286–121,291 BTU/hr | 5.42 cu ft | Cord Wood |
| SE210 | Alternate Heating Systems | Currently certified | 0.12 | 71% | 155,802 BTU/hr maximum | 8.43 cu ft | Cord Wood |
Previously certified
| Model line | EPA manufacturer | Status | Emission (lb/mmBTU) | HHV efficiency | Heat output | Firebox | Fuel |
|---|---|---|---|---|---|---|---|
| Wood Gun E155 | Alternate Heating Systems | Previously certified | 0.32 | 53% | 147,632 BTU/hr maximum | Not listed | Cord Wood |