Hearth and Home Technologies Vermont Castings Aspen C3
Hearth and Home Technologies Vermont Castings Aspen C3 is a non-catalytic wood stove from Hearth and Home Technologies certified at 2 g/hr particulate emissions with 75% HHV efficiency and a 17,439–20,086 BTU/h output range (previously certified, no longer in production).
Previously certified (out of production). This model appears in the EPA Certified Wood Heater Database but is no longer on the current certified list, which usually means it is no longer manufactured. The specifications below are its certified figures, kept for reference and for owners of installed units. Browse currently certified heaters for models sold new today.
| Appliance type | wood-stove |
|---|---|
| Combustion technology | Non-Catalytic Stove |
| Certified fuel | Crib Wood |
| Covered model numbers | Vermont Castings Aspen C3 |
| Emission rate | 2 g/hr |
|---|---|
| Carbon monoxide | 1.61 g/min |
| Efficiency (HHV) | 75 % |
|---|
| Heat output (low) | 17439 BTU/h |
|---|---|
| Heat output (high) | 20086 BTU/h |
| Firebox volume | 1.25 cu ft |
| 25C tax credit eligible (≥75% HHV) | Yes |
|---|---|
| 2020 NSPS compliant | Yes |
| Currently in production | No |
| EPA certification number | 196-19a |
What space does the Hearth and Home Technologies Vermont Castings Aspen C3 suit?
- Its 20,086 BTU/h peak output covers roughly 550–800 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 1.25 cu ft firebox puts it in the small/cabin class.
- Rough fuel use: about 1.4 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
- Rais A/S Q-Tee II USA Series: Q-Tee II USA (0.7 g/hr)
- J. A. Roby Supero (1.5 g/hr)
- Rais A/S Nexo 100 ManualNexo 100 Classic Manual (1.1 g/hr)
- Foyers Supreme Astra 18 (2) (1.2 g/hr)
- Spartherm L 800 ZC (1.3 g/hr)
- Hearthstone Quality Home Heating Products Lincoln 8060 (1.1 g/hr)
Frequently asked questions
Is the Hearth and Home Technologies Vermont Castings Aspen C3 EPA certified?
The Hearth and Home Technologies Vermont Castings Aspen C3 holds EPA certification number 196-19a but is no longer on the current certified list — it is previously certified, which usually means the model is out of production. Already-installed units are unaffected by that status in most jurisdictions.
What is the Hearth and Home Technologies Vermont Castings Aspen C3's emission rate?
The Hearth and Home Technologies Vermont Castings Aspen C3 is certified at 2 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 Hearth and Home Technologies Vermont Castings Aspen C3 heat?
Roughly 550–800 sq ft, estimated from its 20,086 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 Hearth and Home Technologies Vermont Castings Aspen C3 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 Hearth and Home Technologies Vermont Castings Aspen C3's certified efficiency is 75% 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)