K-250 Series Ashwood LE, Wood Classic LE, Cambridge LE, Cascade LE
Previously certified
EPA lists K-250 Series Ashwood LE, Wood Classic LE, Cambridge LE, Cascade LE under Kuma Stove And Iron Works as a previously certified hybrid wood stove.
The listed emission rate is 1.1 grams per hour.
The listed HHV efficiency is 79 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 | 1.1 grams per hour |
| HHV efficiency | 79 percent |
| Heat output | 11,196–30,308 BTU/hr |
| Firebox | 2.5 cu ft |
| CO | 0.183 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-250 Series Ashwood LE
- Wood Classic LE
- Cambridge LE
- Cascade 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-180 Series Aspen LE, Tamarack LE, Aberdeen LE, Alpine 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
- 2.5 Series, Solution 2.5 ZC II, Stratford II, FP10 Lafayette II, FP12 Mundo II, Monaco II, HE250R, Destination 2.7, Matrix 2700, WFP-75 8411, FP10 Lafayette IIS, HE275, HE275CF — 1.1 grams per hour
- 205 Fireview Catalytic — 1.1 grams per hour
- 2400 — 1.1 grams per hour
- 44 Elite NexGen-Hybrid — 1.1 grams per hour
- 7110 B — 1.1 grams per hour
HHV efficiency
- 212N Navajo Hybrid Wood-Coal, 212S Survival Hybrid Wood-Coal — 79 percent
- 25 Series: Sirocco 25 (SC25) Insert, Ashford 25 (AF25) Insert, Boxer 24 (BX24) Freestanding — 79 percent
- Chinook VCV 2.1.5 — 79 percent
- Clydesdale 8492 — 79 percent
- Green Mountain 40 Series: Green Mountain 40 (8640), Craftsbury 2 (8392), Hipster 14 (AMB8240) — 79 percent
Heat output
- 3 TDIC-2 — 10,900–30,600 BTU/hr
- Heritage Classic A — 10,300–31,200 BTU/hr
- Sierra Classic 1500T — 6,900–34,600 BTU/hr
- CI2700-1, HI500-1 — 14,291–27,168 BTU/hr
- WS-2720-B — 11,080–30,501 BTU/hr
Kuma Stove And Iron Works hub · EPA Certified Wood Heater Database