Outside of east Texas, most places that have plenty of humidity also have plenty of rain. (Seattle comes to mind.)
Rainwater makes the best coffee. I wait until the roof is well rinsed and put a stock pot under a runoff point. A little bit of PVC and hacking would fill an IBC from one rain shower. It looks like a $100 project if one were so inclined.
HVAC and dehumidifier condensates are definitely not drinkable as they are always contaminated with bacteria and mold.
Doug
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