HeatMaster
EPA lists 5 currently certified model lines and 4 previously certified model lines for HeatMaster.
The lowest listed emission rate among those currently certified lines is 0.05 pounds per million BTU, on G Series G10000.
Source: EPA Certified Wood Heater Database, snapshot 2026-10-23.
Both EPA manufacturer strings contain HeatMaster or Heatmaster. The original spelling is kept on each model page.
Evidence used for this hub: EPA manufacturer strings contain HeatMaster or Heatmaster.
EPA manufacturer strings: HeatMaster Furnaces, Inc.; Heatmaster Furnaces Inc. (SteelTech Inc.).
Currently certified
| Model line | EPA manufacturer | Status | Emission (lb/mmBTU) | HHV efficiency | Heat output | Firebox | Fuel |
|---|---|---|---|---|---|---|---|
| G Series G10000 | HeatMaster Furnaces, Inc. | Currently certified | 0.05 | 88% | 41,551–280,451 BTU/hr | 23.6 cu ft | Cord Wood |
| P4000 | HeatMaster Furnaces, Inc. | Currently certified | 0.05 | 82% | 17,944–147,388 BTU/hr | Not applicable | Wood Pellets |
| G Series G7000 | HeatMaster Furnaces, Inc. | Currently certified | 0.06 | 81% | 28,262–195,502 BTU/hr | 16.3 cu ft | Cord Wood |
| P7000 | HeatMaster Furnaces, Inc. | Currently certified | 0.07 | 78% | 20,162–255,301 BTU/hr | Not applicable | Wood Pellets |
| G Series G4000 | HeatMaster Furnaces, Inc. | Currently certified | 0.1 | 86% | 16,203–99,840 BTU/hr | 8.5 cu ft | Cord Wood |
Previously certified
| Model line | EPA manufacturer | Status | Emission (lb/mmBTU) | HHV efficiency | Heat output | Firebox | Fuel |
|---|---|---|---|---|---|---|---|
| G Series G10000 | Heatmaster Furnaces Inc. (SteelTech Inc.) | Previously certified | 0.05 | 88% | 41,551–280,451 BTU/hr | 23.6 cu ft | Cord Wood |
| G Series G7000 | Heatmaster Furnaces Inc. (SteelTech Inc.) | Previously certified | 0.06 | 81% | 28,262–195,502 BTU/hr | 16.3 cu ft | Cord Wood |
| P7000 | Heatmaster Furnaces Inc. (SteelTech Inc.) | Previously certified | 0.07 | 78% | 20,162–255,301 BTU/hr | Not applicable | Wood Pellets |
| G Series G4000 | Heatmaster Furnaces Inc. (SteelTech Inc.) | Previously certified | 0.1 | 86% | 16,203–99,840 BTU/hr | 8.5 cu ft | Cord Wood |