Polar Furnace Manufacturing Inc.
EPA lists 1 currently certified model line and 3 previously certified model lines for Polar Furnace Manufacturing Inc..
The lowest listed emission rate among those currently certified lines is 0.07 pounds per million BTU, on G-Class G2Plus.
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: Polar Furnace Manufacturing Inc..
Currently certified
| Model line | EPA manufacturer | Status | Emission (lb/mmBTU) | HHV efficiency | Heat output | Firebox | Fuel |
|---|---|---|---|---|---|---|---|
| G-Class G2Plus | Polar Furnace Manufacturing Inc. | Currently certified | 0.07 | 81% | 34,835–183,307 BTU/hr | 9.27 cu ft | Cord Wood |
Previously certified
| Model line | EPA manufacturer | Status | Emission (lb/mmBTU) | HHV efficiency | Heat output | Firebox | Fuel |
|---|---|---|---|---|---|---|---|
| G Class G3 | Polar Furnace Manufacturing Inc. | Previously certified | 0.06 | 77% | 26,235–182,387 BTU/hr | 12.7 cu ft | Cord Wood |
| G3-G3 | Polar Furnace Manufacturing Inc. | Previously certified | 0.08 | 72% | 200,000 BTU/hr maximum | Not listed | Cord Wood |
| G2-G2 | Polar Furnace Manufacturing Inc. | Previously certified | 0.19 | 67% | 200,000 BTU/hr maximum | Not listed | Cord Wood |