The moisture can promote mold in the ductwork though. We had our furnace replace... | Hacker News

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SoftTalker on Jan 16, 2023 | parent | context | favorite | on: Heat pumps of the 1800s are becoming the technolog...

The moisture can promote mold in the ductwork though. We had our furnace replaced a few years ago and had the central humidifier removed. The interior of the ductwork was black with mold near the humidifier so that was also replaced.

thedougd on Jan 17, 2023 [–]

I had a misting humidifier. I put my finger through the metal duct, completely rusted.

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