Stove Builder International Max Caddy and HeatPro

Stove Builder International Max Caddy and HeatPro is a non-catalytic forced-air furnace from Stove Builder International with 77% HHV efficiency and a 15,112–51,203 BTU/h output range (previously certified, no longer in production).

Previously certified (out of production). This model appears in the EPA Certified Wood Heater Database but is no longer on the current certified list, which usually means it is no longer manufactured. The specifications below are its certified figures, kept for reference and for owners of installed units. Browse currently certified heaters for models sold new today.

General
Appliance type forced-air-furnace
Combustion technology Non-Catalytic Stove
Certified fuel Cord Wood
Covered model numbers Max Caddy and HeatPro
Efficiency
Efficiency (HHV) 77 %
Heat output
Heat output (low) 15112 BTU/h
Heat output (high) 51203 BTU/h
Emissions
Carbon monoxide 2.1 g/min
Certification
25C tax credit eligible (≥75% HHV) Yes
2020 NSPS compliant No
Currently in production No

What space does the Stove Builder International Max Caddy and HeatPro suit?

Similar forced-air furnaces

Frequently asked questions

Is the Stove Builder International Max Caddy and HeatPro EPA certified?

The Stove Builder International Max Caddy and HeatPro holds EPA certification number n/a but is no longer on the current certified list — it is previously certified, which usually means the model is out of production. Already-installed units are unaffected by that status in most jurisdictions.

Does the Stove Builder International Max Caddy and HeatPro 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 Stove Builder International Max Caddy and HeatPro's certified efficiency is 77% 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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