United States Stove Company US2500E (2)
United States Stove Company US2500E (2) is a non-catalytic wood stove from United States Stove Company certified at 2.4 g/hr particulate emissions with 72% HHV efficiency and a 20,053–50,470 BTU/h output range.
| Appliance type | wood-stove |
|---|---|
| Combustion technology | Non-Catalytic Stove |
| Certified fuel | Cord Wood |
| Covered model numbers | US2500E, AW2520E, VG2520, CH25, NM1190, SW2.5, AHWS2520, US2500E-P, US2500E-L, US2500E-BP, US2500E-BL, AW2520E-P, AW2520E-L, AW2520E-BP, AW2520E-BL, VG2520-P, VG2520-L, VG2520-BP, VG2520-BL, KW2500E-L, KW25, Comfort Glow CGWS2500, DuraHeat DHWS2500 |
| Emission rate | 2.4 g/hr |
|---|---|
| Carbon monoxide | 1.49 g/min |
| Efficiency (HHV) | 72 % |
|---|
| Heat output (low) | 20053 BTU/h |
|---|---|
| Heat output (high) | 50470 BTU/h |
| Firebox volume | 2.73 cu ft |
| 25C tax credit eligible (≥75% HHV) | No |
|---|---|
| 2020 NSPS compliant | Yes |
| Currently in production | Yes |
| EPA certification number | 211-19 |
What space does the United States Stove Company US2500E (2) suit?
- Its 50,470 BTU/h peak output covers roughly 1,450–2,000 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 2.73 cu ft firebox puts it in the mid-size home class.
- Rough fuel use: about 2.7 cords per season at the midpoint of its output range (8 burn-hours/day, 150-day season, 22 MMBtu/cord — see methodology).
- Certified burning Cord Wood — the test fuel closest to real-world firewood.
Similar wood stoves
- FPI/Regency Fireplace Products F2500 (1 g/hr)
- Stove Builder International Bistro Series (Bistro (2 g/hr)
- Lennox Hearth Products (Innovative Hearth Products) Brass Flame KS-805 (5.3 g/hr)
- Stove Builder International Everest II Series HE300 II (0.99 g/hr)
- Travis Industries 42 Apex (0.93 g/hr)
- Jotul North America (Jotul U.S.A., Inc.) F 602 V2 (2.1 g/hr)
Frequently asked questions
Is the United States Stove Company US2500E (2) EPA certified?
Yes, the United States Stove Company US2500E (2) is on the EPA's current list of certified wood heaters (certification number 211-19) and meets the 2020 NSPS Step 2 emission limits.
What is the United States Stove Company US2500E (2)'s emission rate?
The United States Stove Company US2500E (2) is certified at 2.4 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 United States Stove Company US2500E (2) heat?
Roughly 1,450–2,000 sq ft, estimated from its 50,470 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 US2500E (2) 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 US2500E (2)'s certified efficiency is 72% 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)