Innovative Hearth Products GV230GL
Innovative Hearth Products GV230GL is a non-catalytic wood stove from Innovative Hearth Products certified at 1.7 g/hr particulate emissions with 74% HHV efficiency and a 12,631–33,911 BTU/h output range.
| Appliance type | wood-stove |
|---|---|
| Combustion technology | Non-Catalytic Stove |
| Certified fuel | Crib Wood |
| Covered model numbers | GV230GL, ML230GL |
| Emission rate | 1.7 g/hr |
|---|---|
| Carbon monoxide | 1.78 g/min |
| Efficiency (HHV) | 74 % |
|---|
| Heat output (low) | 12631 BTU/h |
|---|---|
| Heat output (high) | 33911 BTU/h |
| Firebox volume | 2.28 cu ft |
| 25C tax credit eligible (≥75% HHV) | No |
|---|---|
| 2020 NSPS compliant | Yes |
| Currently in production | Yes |
| EPA certification number | 141-18 |
What space does the Innovative Hearth Products GV230GL suit?
- Its 33,911 BTU/h peak output covers roughly 950–1,350 sq ft at the 25–35 BTU/h-per-square-foot rule of thumb — see the sizing calculator to adjust for your insulation and climate.
- The 2.28 cu ft firebox puts it in the mid-size home class.
- Rough fuel use: about 1.7 cords per season at the midpoint of its output range (8 burn-hours/day, 150-day season, 22 MMBtu/cord — see methodology).
- Certified burning Crib Wood .
Similar wood stoves
- RSF / Industrial Chimney Company, Incorporated Delta Fusion (1.3 g/hr)
- United States Stove Company US2000 Model Line: AW2020 (1.6 g/hr)
- Hearthstone Quality Home Heating Products Green Mountain 60 8660 (0.6 g/hr)
- United States Stove Company US1261E (1.9 g/hr)
- Hearthstone Quality Home Heating Products Green Mountain 80-1 (Model 8681) (0.53 g/hr)
- Hearthstone Quality Home Heating Products Green Mountain 80 8680 (0.67 g/hr)
Frequently asked questions
Is the Innovative Hearth Products GV230GL EPA certified?
Yes, the Innovative Hearth Products GV230GL is on the EPA's current list of certified wood heaters (certification number 141-18) and meets the 2020 NSPS Step 2 emission limits.
What is the Innovative Hearth Products GV230GL's emission rate?
The Innovative Hearth Products GV230GL is certified at 1.7 grams of particulates per hour (tested with crib wood). Real-world emissions depend heavily on fuel moisture and operation — the lab figure assumes seasoned fuel and correct air settings.
How many square feet can the Innovative Hearth Products GV230GL heat?
Roughly 950–1,350 sq ft, estimated from its 33,911 BTU/h peak output at 25–35 BTU/h per square foot. Insulation, climate, ceiling height, and floor plan move this figure substantially in both directions.
Does the Innovative Hearth Products GV230GL 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 Innovative Hearth Products GV230GL's certified efficiency is 74% HHV, which did not meet 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)