Pellergy, LLC/ Windhager Zentralheizung Technik GmbH Alpha-100

Pellergy, LLC/ Windhager Zentralheizung Technik GmbH Alpha-100 is a non-catalytic hydronic heater from Pellergy, LLC/ Windhager Zentralheizung Technik GmbH with 86% HHV efficiency (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 hydronic-heater
Combustion technology Non-Catalytic Stove
Certified fuel Wood Pellets
Covered model numbers Alpha-100
Efficiency
Efficiency (HHV) 86 %
Heat output
Heat output (high) 88400 BTU/h
Certification
25C tax credit eligible (≥75% HHV) Yes
2020 NSPS compliant No
Currently in production No

What space does the Pellergy, LLC/ Windhager Zentralheizung Technik GmbH Alpha-100 suit?

Similar hydronic heaters

Frequently asked questions

Is the Pellergy, LLC/ Windhager Zentralheizung Technik GmbH Alpha-100 EPA certified?

The Pellergy, LLC/ Windhager Zentralheizung Technik GmbH Alpha-100 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 Pellergy, LLC/ Windhager Zentralheizung Technik GmbH Alpha-100 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 Pellergy, LLC/ Windhager Zentralheizung Technik GmbH Alpha-100's certified efficiency is 86% 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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