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I installed hardwood flooring in my home late last fall. The humidity level in my home this winter dropped incredibly low (20%). I'm not sure if it's related to the new hardwood.

I installed a whole home humidifier but it can't seem to bring the humidity levels above 30%.

It only runs when the furnace is running. Soon after the furnace shuts off, the humidity levels start dropping again.

How can I get the humidity level to rise to 40-50%, then maintain?

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Open bathroom doors while taking shower (don't turn on fan), by a regular humidifier, open your windows a couple times a week for a few hours... – DMoore Mar 9 '14 at 16:23
Boiling water, though they make room humidifier units that run a mesh belt with a fan. Works similar to a swamp cooler. – Fiasco Labs Mar 9 '14 at 17:34

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