New Buck Corporation (Buck Stove Corp.) Model 91

New Buck Corporation (Buck Stove Corp.) Model 91 is a catalytic wood stove from New Buck Corporation (Buck Stove Corp.) certified at 1.3 g/hr particulate emissions with 80% HHV efficiency and a 14,206–43,190 BTU/h output range.

General
Appliance type wood-stove
Combustion technology Catalytic Stove
Certified fuel Crib Wood
Covered model numbers Model 91, Carolina 92
Emissions
Emission rate 1.3 g/hr
Carbon monoxide 0.6 g/min
Efficiency
Efficiency (HHV) 80 %
Heat output
Heat output (low) 14206 BTU/h
Heat output (high) 43190 BTU/h
Firebox volume 3.07 cu ft
Certification
25C tax credit eligible (≥75% HHV) Yes
2020 NSPS compliant Yes
Currently in production Yes
EPA certification number 239-19

What space does the New Buck Corporation (Buck Stove Corp.) Model 91 suit?

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Frequently asked questions

Is the New Buck Corporation (Buck Stove Corp.) Model 91 EPA certified?

Yes, the New Buck Corporation (Buck Stove Corp.) Model 91 is on the EPA's current list of certified wood heaters (certification number 239-19) and meets the 2020 NSPS Step 2 emission limits.

What is the New Buck Corporation (Buck Stove Corp.) Model 91's emission rate?

The New Buck Corporation (Buck Stove Corp.) Model 91 is certified at 1.3 grams of particulates per hour (tested with crib wood). Real-world emissions depend heavily on fuel moisture and operation — the lab figure assumes seasoned fuel and correct air settings.

How many square feet can the New Buck Corporation (Buck Stove Corp.) Model 91 heat?

Roughly 1,250–1,750 sq ft, estimated from its 43,190 BTU/h peak output at 25–35 BTU/h per square foot. Insulation, climate, ceiling height, and floor plan move this figure substantially in both directions.

Does the New Buck Corporation (Buck Stove Corp.) Model 91 qualify for a federal tax credit?

No — the federal 25C credit for biomass stoves was terminated for property placed in service after December 31, 2025. The New Buck Corporation (Buck Stove Corp.) Model 91's certified efficiency is 80% HHV, which met the credit's ≥75% HHV threshold while it existed. State and local incentive programs may still apply — check your state energy office and air district.

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