HeatMaster Furnaces G Series G10000
HeatMaster Furnaces G Series G10000 is a non-catalytic hydronic heater from HeatMaster Furnaces certified at 0 g/hr particulate emissions with 88% HHV efficiency and a 41,551–280,451 BTU/h output range.
| Appliance type | hydronic-heater |
|---|---|
| Combustion technology | Non-Catalytic Stove |
| Certified fuel | Cord Wood |
| Covered model numbers | G Series G10000 |
| Emission rate | 0 g/hr |
|---|---|
| Carbon monoxide | 1.77 g/min |
| Efficiency (HHV) | 88 % |
|---|
| Heat output (low) | 41551 BTU/h |
|---|---|
| Heat output (high) | 280451 BTU/h |
| Firebox volume | 23.6 cu ft |
| 25C tax credit eligible (≥75% HHV) | Yes |
|---|---|
| 2020 NSPS compliant | Yes |
| Currently in production | Yes |
| EPA certification number | 47HH-22 |
What space does the HeatMaster Furnaces G Series G10000 suit?
- The 23.6 cu ft firebox puts it in the large-home, overnight-burn class.
- Certified burning Cord Wood — the test fuel closest to real-world firewood.
Similar hydronic heaters
- Heatmaster Furnaces Inc. (SteelTech Inc.) G Series G10000
- Piney Manufacturing ENVIRO CHIP-500 (5.4 g/hr)
- Fröling Heizkessel und Behälterbau Ges.m.b.H P4 Unit 80
- Greentech Manufacturing Crown Royal RS7400E (8 g/hr)
- Central Boiler Inc.- WoodMaster Classic Edge 760.1
- Heatmor Manufacturing 350X (9.2 g/hr)
Frequently asked questions
Is the HeatMaster Furnaces G Series G10000 EPA certified?
Yes, the HeatMaster Furnaces G Series G10000 is on the EPA's current list of certified wood heaters (certification number 47HH-22) and meets the 2020 NSPS Step 2 emission limits.
What is the HeatMaster Furnaces G Series G10000's emission rate?
The HeatMaster Furnaces G Series G10000 is certified at 0 grams of particulates per hour (tested with cord wood). Real-world emissions depend heavily on fuel moisture and operation — the lab figure assumes seasoned fuel and correct air settings.
Does the HeatMaster Furnaces G Series G10000 qualify for a federal tax credit?
No — the federal 25C credit for biomass stoves was terminated for property placed in service after December 31, 2025. The HeatMaster Furnaces G Series G10000's certified efficiency is 88% HHV, which met the credit's ≥75% HHV threshold while it existed. State and local incentive programs may still apply — check your state energy office and air district.
Sources
- cfpub.epa.gov (retrieved 2026-07-23)