K100/300/400 SEQUOIA
Previously certified
EPA lists K100/300/400 SEQUOIA under Kuma Stove And Iron Works as a previously certified catalytic wood stove.
The listed emission rate is 2.2 grams per hour.
The listed HHV efficiency is 84 percent.
Source: EPA Certified Wood Heater Database, snapshot 2026-10-23.
EPA rows
| Field | Row 1 |
|---|---|
| Status | Previously certified |
| Type | Wood Stove |
| Subtype | Catalytic Stove |
| Emission | 2.2 grams per hour |
| HHV efficiency | 84 percent |
| Heat output | 10,100–52,100 BTU/hr |
| Firebox | Not listed |
| CO | Not listed |
| Certified fuel | Crib Wood |
| Test method | Not listed |
| 2020 NSPS | No |
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.
- K100/300/400 SEQUOIA
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
- K-250 Series Ashwood LE, Wood Classic LE, Cambridge LE, Cascade LE 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
- 18 PC — 2.2 grams per hour
- Astra Duo 38, Elegance 42 ST, Monarch See-Through, 38, Novo Duo 38 - Soapstone, Novo Duo 38 - Cast Iron — 2.2 grams per hour
- Basic 1 and 3 — 2.2 grams per hour
- Basic 4 — 2.2 grams per hour
- Blaze King King Catalytic KEI-1300, PEI-1200 — 2.2 grams per hour
HHV efficiency
- 30.2 Series: Sirocco 30.2 (SC30.2), Ashford 30.2 (AF30.2), and Chinook 30.2 (CK30.2) — 83 percent
- Blaze King King Catalytic KEJ 1107 — 82 percent
- Ideal Steel Hybrid 210 — 82 percent
- Princess PE32 — 82 percent
- 44 Elite NexGen-Hybrid — 81 percent
Heat output
- LOPI 380-96 — 9,400–52,800 BTU/hr
- Quadra-Fire 4100 — 11,700–50,500 BTU/hr
- WS-250 — 11,700–50,500 BTU/hr
- Imperial MKII, MKII Insert, Goldenaire — 10,700–51,600 BTU/hr
- US1261E, USLW900E — 28,784–33,557 BTU/hr
Kuma Stove And Iron Works hub · EPA Certified Wood Heater Database