K-180 Series Aspen LE, Tamarack LE, Aberdeen LE, Alpine LE
Previously certified
EPA lists K-180 Series Aspen LE, Tamarack LE, Aberdeen LE, Alpine LE under Kuma Stove And Iron Works as a previously certified hybrid wood stove.
The listed emission rate is 0.72 grams per hour.
The listed HHV efficiency is 81 percent.
Source: EPA Certified Wood Heater Database, snapshot 2026-10-23.
EPA rows
| Field | Row 1 |
|---|---|
| Status | Previously certified |
| Type | Wood Stove |
| Subtype | Hybrid |
| Emission | 0.72 grams per hour |
| HHV efficiency | 81 percent |
| Heat output | 10,614–32,121 BTU/hr |
| Firebox | 1.74 cu ft |
| CO | 0.1 g/min |
| Certified fuel | Cord Wood |
| Test method | Not listed |
| 2020 NSPS | Yes |
Retail names in the model line
These are the names split from EPA's model cell. They are aliases for this line, not separate listings.
- K-180 Series Aspen LE
- Tamarack LE
- Aberdeen LE
- Alpine LE
Other model lines from this manufacturer
- K-181 Series: Aspen LE-1, Tamarack LE-1, Aberdeen LE-1, and Alpine LE-1 Currently certified
- K-251 Series: Ashwood LE-1, Wood Classic LE-1, Cambridge LE-1, Cascade LE-1 Currently certified
- Ashwood Previously certified
- Aspen Previously certified
- K-100, K-300, K-400 Previously certified
- K-250 Series Ashwood LE, Wood Classic LE, Cambridge LE, Cascade LE Previously certified
- K100/300/400 SEQUOIA Previously certified
- KTAM Previously certified
- Scott HT-1 (Tamarack) Previously certified
- Wood Classic HT-2 Previously certified
Nearest model lines by EPA figures
Nearest means the smallest absolute difference on that EPA figure, among other Wood Stove model lines that list it. Ties are ordered by model name.
Emission
- Rockport NexGen-Hybrid — 0.73 grams per hour
- 2.3H Series: Archway 2300 H, FW2900 H, Gateway 2300 H, Green Mountain Insert 70 (8451), Escape 1800 H, Inspire 2000 H, Inspire 2000-I H, Matrix H, Escape 1800-I H, Osburn 2000 H, Osburn 2000-I H, Harmony 2.3 H, Solution 2.3 H, Solution 2.3-I H, CW2900 H, Destination 2.3 H, Destination 2.3-I H, Matrix-I H, HES240 H, HEI240H, Heritage H, Deco Alto H, Blue Ridge 300P H, Blue Ridge 300L H, Blue Ridge 00-I H, Origin 2000 H, Origin 2000-I H, Evasion 2.3 H, Evasion 2.3-I H — 0.7 grams per hour
- 25 Series: Sirocco 25 (SC25) Insert, Ashford 25 (AF25) Insert, Boxer 24 (BX24) Freestanding — 0.74 grams per hour
- Encore 1450 N/C — 0.7 grams per hour
- Ideal Steel Hybrid 210b — 0.7 grams per hour
HHV efficiency
- 44 Elite NexGen-Hybrid — 81 percent
- F3500 — 81 percent
- Green Mountain 60-1 (Model 8661), Shelburne 3 (Model 8373), Hipster 20-1 (Model 8261) — 81 percent
- Green Mountain 80 8680 — 81 percent
- King KE40 — 81 percent
Heat output
- Aurora 700 — 11,800–30,900 BTU/hr
- Lopi X Fireplace Insert — 13,600–29,100 BTU/hr
- Regency CI2600 and HI400 — 15,200–27,500 BTU/hr
- NEO 2.5 LE2, NEO 2.5 Insert LE2 — 13,240–29,536 BTU/hr
- Englander Freestanding Radiant 24FC — 7,200–35,600 BTU/hr
Kuma Stove And Iron Works hub · EPA Certified Wood Heater Database