Blaze King Industries Princess PI29 Insert (2) vs Travis Industries Liberty NexGen-Hybrid

The Travis Industries Liberty NexGen-Hybrid is the cleaner burner: 0.9 g/hr certified particulate emissions versus 1 g/hr. They tie on efficiency at 80% HHV. The Travis Industries Liberty NexGen-Hybrid produces more peak heat (47,138 vs 30,194 BTU/h), suiting roughly 1,350–1,900 sq ft. The Travis Industries Liberty NexGen-Hybrid has the larger firebox (4.14 vs 2.63 cu ft), which generally means longer burns between reloads.

Blaze King Industries Princess PI29 Insert (2) Travis Industries Liberty NexGen-Hybrid
Appliance type wood-stove wood-stove
Combustion technology Catalytic Stove Catalytic Stove
Certified fuel Crib Wood Crib Wood
Emission rate 1 g/hr 0.9 g/hr
Efficiency (HHV) 80 % 80 %
Heat output (low) 9023 BTU/h 11598 BTU/h
Heat output (high) 30194 BTU/h 47138 BTU/h
Firebox volume 2.63 cu ft 4.14 cu ft
Carbon monoxide 0.704 g/min 0.484 g/min
25C tax credit eligible (≥75% HHV) Yes Yes
2020 NSPS compliant Yes Yes
Currently in production Yes Yes
EPA certification number 123-18 381-24
Covered model numbers Princess PI29 Insert Liberty NexGen-Hybrid

Frequently asked questions

Which burns cleaner, the Blaze King Industries Princess PI29 Insert (2) or the Travis Industries Liberty NexGen-Hybrid?

The Travis Industries Liberty NexGen-Hybrid: 0.9 g/hr certified particulate emissions versus 1 g/hr for the Blaze King Industries Princess PI29 Insert (2).

Are the Blaze King Industries Princess PI29 Insert (2) and Travis Industries Liberty NexGen-Hybrid 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.