United States Stove Company US1800E (2)
United States Stove Company US1800E (2) is a non-catalytic wood stove from United States Stove Company certified at 1.8 g/hr particulate emissions with 73% HHV efficiency and a 10,689–28,445 BTU/h output range.
| Appliance type | wood-stove |
|---|---|
| Combustion technology | Non-Catalytic Stove |
| Certified fuel | Crib Wood |
| Covered model numbers | US1800E, VG1820, AW1820E, CH18, NM690, SW1.8, AHWS1820, KW1820, Comfort Glow CGWI1800, DuraHeat DHWI1800 |
| Emission rate | 1.8 g/hr |
|---|---|
| Carbon monoxide | 1.2 g/min |
| Efficiency (HHV) | 73 % |
|---|
| Heat output (low) | 10689 BTU/h |
|---|---|
| Heat output (high) | 28445 BTU/h |
| Firebox volume | 1.2 cu ft |
| 25C tax credit eligible (≥75% HHV) | No |
|---|---|
| 2020 NSPS compliant | Yes |
| Currently in production | Yes |
| EPA certification number | 238-19 |
What space does the United States Stove Company US1800E (2) suit?
- Its 28,445 BTU/h peak output covers roughly 800–1,150 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 1.2 cu ft firebox puts it in the small/cabin class.
- Rough fuel use: about 1.5 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
- MF Fire Catalyst (1.9 g/hr)
- MF Fire Nova C (1.9 g/hr)
- EcoVision Kiwi VcV 2.1 (1.3 g/hr)
- Morso Jernstoberi A/S 3112B (1.9 g/hr)
- New Buck Corporation (Buck Stove Corp.) 21NC (1.7 g/hr)
- Travis Industries Answer NexGen Hybrid (1.3 g/hr)
Frequently asked questions
Is the United States Stove Company US1800E (2) EPA certified?
Yes, the United States Stove Company US1800E (2) is on the EPA's current list of certified wood heaters (certification number 238-19) and meets the 2020 NSPS Step 2 emission limits.
What is the United States Stove Company US1800E (2)'s emission rate?
The United States Stove Company US1800E (2) is certified at 1.8 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 United States Stove Company US1800E (2) heat?
Roughly 800–1,150 sq ft, estimated from its 28,445 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 US1800E (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 US1800E (2)'s certified efficiency is 73% 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)