Hearth and Home Technologies Vermont Castings Intrepid FlexBurn 2115-CAT vs Travis Industries Answer NexGen Hybrid (2)

The Hearth and Home Technologies Vermont Castings Intrepid FlexBurn 2115-CAT is the cleaner burner: 0.3 g/hr certified particulate emissions versus 1.4 g/hr. The Travis Industries Answer NexGen Hybrid (2) is the more efficient unit: 80% versus 77% HHV — more heat from every cord. The Travis Industries Answer NexGen Hybrid (2) produces more peak heat (38,594 vs 15,906 BTU/h), suiting roughly 1,100–1,550 sq ft. The Travis Industries Answer NexGen Hybrid (2) has the larger firebox (1.4 vs 1.31 cu ft), which generally means longer burns between reloads. Combustion technology differs: the Hearth and Home Technologies Vermont Castings Intrepid FlexBurn 2115-CAT is a catalytic stove and the Travis Industries Answer NexGen Hybrid (2) a hybrid — see the catalytic vs non-catalytic guide for what that means day to day.

Hearth and Home Technologies Vermont Castings Intrepid FlexBurn 2115-CAT Travis Industries Answer NexGen Hybrid (2)
Appliance type wood-stove wood-stove
Combustion technology Catalytic Stove Hybrid
Certified fuel Crib Wood Crib Wood
Emission rate 0.3 g/hr 1.4 g/hr
Efficiency (HHV) 77 % 80 %
Heat output (low) 10665 BTU/h 12252 BTU/h
Heat output (high) 15906 BTU/h 38594 BTU/h
Firebox volume 1.31 cu ft 1.4 cu ft
Carbon monoxide 0.82 g/min 1.322 g/min
25C tax credit eligible (≥75% HHV) Yes Yes
2020 NSPS compliant Yes Yes
Currently in production Yes Yes
EPA certification number 115-18 306-22
Covered model numbers Vermont Castings Intrepid FlexBurn 2115-CAT Answer NexGen Hybrid

Frequently asked questions

Which burns cleaner, the Hearth and Home Technologies Vermont Castings Intrepid FlexBurn 2115-CAT or the Travis Industries Answer NexGen Hybrid (2)?

The Hearth and Home Technologies Vermont Castings Intrepid FlexBurn 2115-CAT: 0.3 g/hr certified particulate emissions versus 1.4 g/hr for the Travis Industries Answer NexGen Hybrid (2).

Are the Hearth and Home Technologies Vermont Castings Intrepid FlexBurn 2115-CAT and Travis Industries Answer NexGen Hybrid (2) 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.