Kuma Stove And Iron Works K-180 Series Aspen LE
Kuma Stove And Iron Works K-180 Series Aspen LE is a hybrid (catalytic + secondary burn) wood stove from Kuma Stove And Iron Works certified at 0.72 g/hr particulate emissions with 81% HHV efficiency and a 10,614–32,121 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 | Hybrid |
| Certified fuel | Cord Wood |
| Covered model numbers | K-180 Series Aspen LE, Tamarack LE, Aberdeen LE, Alpine LE |
| Emission rate | 0.72 g/hr |
|---|---|
| Carbon monoxide | 0.1 g/min |
| Efficiency (HHV) | 81 % |
|---|
| Heat output (low) | 10614 BTU/h |
|---|---|
| Heat output (high) | 32121 BTU/h |
| Firebox volume | 1.74 cu ft |
| 25C tax credit eligible (≥75% HHV) | Yes |
|---|---|
| 2020 NSPS compliant | Yes |
| Currently in production | No |
| EPA certification number | 202-19 |
What space does the Kuma Stove And Iron Works K-180 Series Aspen LE suit?
- Its 32,121 BTU/h peak output covers roughly 900–1,300 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 1.74 cu ft firebox puts it in the mid-size home 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 Cord Wood — the test fuel closest to real-world firewood.
Similar wood stoves
- Hearthstone Quality Home Heating Products Mansfield 8013 (0.54 g/hr)
- Morso Jernstoberi A/S 2B Classic 2020 (0.5 g/hr)
- Travis Industries Endeavor NexGen-Hybrid (1.2 g/hr)
- Stove Builder International 2.1 Series (Destination 1.9 (1.5 g/hr)
- Hearthstone Quality Home Heating Products Clydesdale 8492 (1.16 g/hr)
- Travis Industries Evergreen NexGen-Hybrid Free-Standing (1.2 g/hr)
Frequently asked questions
Is the Kuma Stove And Iron Works K-180 Series Aspen LE EPA certified?
The Kuma Stove And Iron Works K-180 Series Aspen LE holds EPA certification number 202-19 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 Kuma Stove And Iron Works K-180 Series Aspen LE's emission rate?
The Kuma Stove And Iron Works K-180 Series Aspen LE is certified at 0.72 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 Kuma Stove And Iron Works K-180 Series Aspen LE heat?
Roughly 900–1,300 sq ft, estimated from its 32,121 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 Kuma Stove And Iron Works K-180 Series Aspen LE 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 Kuma Stove And Iron Works K-180 Series Aspen LE's certified efficiency is 81% 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)