Blaze King Industries 30.2 Series: Sirocco 30.2 (SC30.2) vs Kuma Stove And Iron Works K-181 Series: Aspen LE-1

The Blaze King Industries 30.2 Series: Sirocco 30.2 (SC30.2) is the cleaner burner: 0.81 g/hr certified particulate emissions versus 1.1 g/hr. The Blaze King Industries 30.2 Series: Sirocco 30.2 (SC30.2) is the more efficient unit: 83% versus 78% HHV — more heat from every cord. The Blaze King Industries 30.2 Series: Sirocco 30.2 (SC30.2) produces more peak heat (36,076 vs 29,153 BTU/h), suiting roughly 1,050–1,450 sq ft. The Blaze King Industries 30.2 Series: Sirocco 30.2 (SC30.2) has the larger firebox (2.843 vs 1.821 cu ft), which generally means longer burns between reloads.

Blaze King Industries 30.2 Series: Sirocco 30.2 (SC30.2) Kuma Stove And Iron Works K-181 Series: Aspen LE-1
Appliance type wood-stove wood-stove
Combustion technology Catalytic Stove Catalytic Stove
Certified fuel Crib Wood Crib Wood
Emission rate 0.81 g/hr 1.1 g/hr
Efficiency (HHV) 83 % 78 %
Heat output (low) 10094 BTU/h 12764 BTU/h
Heat output (high) 36076 BTU/h 29153 BTU/h
Firebox volume 2.843 cu ft 1.821 cu ft
Carbon monoxide 0.65 g/min 0.45 g/min
25C tax credit eligible (≥75% HHV) Yes Yes
2020 NSPS compliant Yes Yes
Currently in production Yes Yes
EPA certification number 109-17 a 346-23
Covered model numbers 30.2 Series: Sirocco 30.2 (SC30.2), Ashford 30.2 (AF30.2), and Chinook 30.2 (CK30.2) K-181 Series: Aspen LE-1, Tamarack LE-1, Aberdeen LE-1, and Alpine LE-1

Frequently asked questions

Which burns cleaner, the Blaze King Industries 30.2 Series: Sirocco 30.2 (SC30.2) or the Kuma Stove And Iron Works K-181 Series: Aspen LE-1?

The Blaze King Industries 30.2 Series: Sirocco 30.2 (SC30.2): 0.81 g/hr certified particulate emissions versus 1.1 g/hr for the Kuma Stove And Iron Works K-181 Series: Aspen LE-1.

Are the Blaze King Industries 30.2 Series: Sirocco 30.2 (SC30.2) and Kuma Stove And Iron Works K-181 Series: Aspen LE-1 both EPA certified?

Yes — both appear on the U.S. EPA's current list of certified wood heaters, and every figure on this page comes from their certification records.