New Buck Corporation (Buck Stove Corp.) Model 81
New Buck Corporation (Buck Stove Corp.) Model 81 is a non-catalytic wood stove from New Buck Corporation (Buck Stove Corp.) certified at 1.1 g/hr particulate emissions with 70% HHV efficiency and a 13,795–59,490 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 | Cord Wood |
| Covered model numbers | Model 81 |
| Emission rate | 1.1 g/hr |
|---|---|
| Carbon monoxide | 1.1 g/min |
| Efficiency (HHV) | 70 % |
|---|
| Heat output (low) | 13795 BTU/h |
|---|---|
| Heat output (high) | 59490 BTU/h |
| Firebox volume | 2.48 cu ft |
| 25C tax credit eligible (≥75% HHV) | No |
|---|---|
| 2020 NSPS compliant | Yes |
| Currently in production | No |
| EPA certification number | 273-20 |
What space does the New Buck Corporation (Buck Stove Corp.) Model 81 suit?
- Its 59,490 BTU/h peak output covers roughly 1,700–2,400 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 2.48 cu ft firebox puts it in the mid-size home class.
- Rough fuel use: about 2.9 cords per season at the midpoint of its output range (8 burn-hours/day, 150-day season, 22 MMBtu/cord — see methodology).
- Certified burning Cord Wood — the test fuel closest to real-world firewood.
Similar wood stoves
- Travis Industries Answer (2 g/hr)
- Jotul North America (Jotul U.S.A., Inc.) F35 (1.2 g/hr)
- Pacific Energy Fireplace Products Limited NEO 2.5 LE (2 g/hr)
- United States Stove Company US2500E (0.88 g/hr)
- Jotul North America (Jotul U.S.A., Inc.) F45V2 (1.8 g/hr)
- Stove Builder International 2.5R Series (Solution 2.5 ZC II (1.2 g/hr)
Frequently asked questions
Is the New Buck Corporation (Buck Stove Corp.) Model 81 EPA certified?
The New Buck Corporation (Buck Stove Corp.) Model 81 holds EPA certification number 273-20 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 New Buck Corporation (Buck Stove Corp.) Model 81's emission rate?
The New Buck Corporation (Buck Stove Corp.) Model 81 is certified at 1.1 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.
How many square feet can the New Buck Corporation (Buck Stove Corp.) Model 81 heat?
Roughly 1,700–2,400 sq ft, estimated from its 59,490 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 New Buck Corporation (Buck Stove Corp.) Model 81 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 New Buck Corporation (Buck Stove Corp.) Model 81's certified efficiency is 70% 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)