United States Stove Company US1261E
United States Stove Company US1261E is a non-catalytic wood stove from United States Stove Company certified at 1.9 g/hr particulate emissions with 68% HHV efficiency and a 28,784–33,557 BTU/h output range.
| Appliance type | wood-stove |
|---|---|
| Combustion technology | Non-Catalytic Stove |
| Covered model numbers | US1261E, USLW900E |
| Emission rate | 1.9 g/hr |
|---|---|
| Carbon monoxide | 1.65 g/min |
| Efficiency (HHV) | 68 % |
|---|
| Heat output (low) | 28784 BTU/h |
|---|---|
| Heat output (high) | 33557 BTU/h |
| Firebox volume | 1.145 cu ft |
| 25C tax credit eligible (≥75% HHV) | No |
|---|---|
| 2020 NSPS compliant | Yes |
| Currently in production | Yes |
| EPA certification number | 334-22 |
What space does the United States Stove Company US1261E suit?
- Its 33,557 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 1.145 cu ft firebox puts it in the small/cabin class.
- Rough fuel use: about 2.5 cords per season at the midpoint of its output range (8 burn-hours/day, 150-day season, 22 MMBtu/cord — see methodology).
Similar wood stoves
- Hearthstone Quality Home Heating Products Green Mountain 60 8660 (0.6 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)
- Innovative Hearth Products GV230GL (1.7 g/hr)
- FPI/Regency Fireplace Products Alterra Pro I3000 Series (I300R (0.95 g/hr)
- RSF / Industrial Chimney Company, Incorporated Delta Fusion (1.3 g/hr)
Frequently asked questions
Is the United States Stove Company US1261E EPA certified?
Yes, the United States Stove Company US1261E is on the EPA's current list of certified wood heaters (certification number 334-22) and meets the 2020 NSPS Step 2 emission limits.
What is the United States Stove Company US1261E's emission rate?
The United States Stove Company US1261E is certified at 1.9 grams of particulates per hour. 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 United States Stove Company US1261E heat?
Roughly 950–1,350 sq ft, estimated from its 33,557 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 United States Stove Company US1261E 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 United States Stove Company US1261E's certified efficiency is 68% 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)