HIDU GmbH BioWIN 332
HIDU GmbH BioWIN 332 is a non-catalytic hydronic heater from HIDU GmbH certified at 0 g/hr particulate emissions with 71% HHV efficiency and a 0–0 BTU/h output range.
| Appliance type | hydronic-heater |
|---|---|
| Combustion technology | Non-Catalytic Stove |
| Certified fuel | Wood Pellets |
| Covered model numbers | BioWIN 332 |
| Emission rate | 0 g/hr |
|---|---|
| Carbon monoxide | 0.04 g/min |
| Efficiency (HHV) | 71 % |
|---|
| Heat output (low) | 0 BTU/h |
|---|---|
| Heat output (high) | 0 BTU/h |
| 25C tax credit eligible (≥75% HHV) | No |
|---|---|
| 2020 NSPS compliant | Yes |
| Currently in production | Yes |
| EPA certification number | 37HH-20 |
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Frequently asked questions
Is the HIDU GmbH BioWIN 332 EPA certified?
Yes, the HIDU GmbH BioWIN 332 is on the EPA's current list of certified wood heaters (certification number 37HH-20) and meets the 2020 NSPS Step 2 emission limits.
What is the HIDU GmbH BioWIN 332's emission rate?
The HIDU GmbH BioWIN 332 is certified at 0 grams of particulates per hour (tested with wood pellets). Real-world emissions depend heavily on fuel moisture and operation — the lab figure assumes seasoned fuel and correct air settings.
Does the HIDU GmbH BioWIN 332 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 HIDU GmbH BioWIN 332's certified efficiency is 71% HHV, which did not meet 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.
Sources
- cfpub.epa.gov (retrieved 2026-07-23)