Blaze King Industries Princess PI29 Insert (2) vs Stove Builder International 2.1 Series (Destination 1.9

The Blaze King Industries Princess PI29 Insert (2) is the cleaner burner: 1 g/hr certified particulate emissions versus 1.5 g/hr. The Blaze King Industries Princess PI29 Insert (2) is the more efficient unit: 80% versus 75% HHV — more heat from every cord. The Stove Builder International 2.1 Series (Destination 1.9 produces more peak heat (31,700 vs 30,194 BTU/h), suiting roughly 900–1,250 sq ft. The Blaze King Industries Princess PI29 Insert (2) has the larger firebox (2.63 vs 1.03 cu ft), which generally means longer burns between reloads. Combustion technology differs: the Blaze King Industries Princess PI29 Insert (2) is a catalytic stove and the Stove Builder International 2.1 Series (Destination 1.9 a non-catalytic stove — see the catalytic vs non-catalytic guide for what that means day to day.

Blaze King Industries Princess PI29 Insert (2) Stove Builder International 2.1 Series (Destination 1.9
Appliance type wood-stove wood-stove
Combustion technology Catalytic Stove Non-Catalytic Stove
Certified fuel Crib Wood Cord Wood
Emission rate 1 g/hr 1.5 g/hr
Efficiency (HHV) 80 % 75 %
Heat output (low) 9023 BTU/h 8500 BTU/h
Heat output (high) 30194 BTU/h 31700 BTU/h
Firebox volume 2.63 cu ft 1.03 cu ft
Carbon monoxide 0.704 g/min 0.6 g/min
25C tax credit eligible (≥75% HHV) Yes Yes
2020 NSPS compliant Yes Yes
Currently in production Yes Yes
EPA certification number 123-18 299-22
Covered model numbers Princess PI29 Insert 2.1 Series (Destination 1.9, Matrix 1900, CW2100, Green Mountain Insert 50, HEI90, Archway 1500, Blue Ridge 150-I)

Frequently asked questions

Which burns cleaner, the Blaze King Industries Princess PI29 Insert (2) or the Stove Builder International 2.1 Series (Destination 1.9?

The Blaze King Industries Princess PI29 Insert (2): 1 g/hr certified particulate emissions versus 1.5 g/hr for the Stove Builder International 2.1 Series (Destination 1.9.

Are the Blaze King Industries Princess PI29 Insert (2) and Stove Builder International 2.1 Series (Destination 1.9 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.