Whole house dehumidifier
What you need is a whole house dehumidifier, not a small portable unit. It is all about relative humidity.
We are full timers, and it is always on (not always running), and the humidity level is set at 50%. This means that the AC runs way less. For example last summer we kept the AC at 80, with the dehumidifier at 50%, and were more than comfortable, even cool sometimes. When we leave town we leave the dehumidifier at 50%, but raise the AC to 87.
I would rather run the 110V unit to keep the moisture out vs. the 220V AC. It doesn’t make sense to run the AC just to draw moisture out...you don’t need it cooler, just dryer.
Case in point...this morning. The dehumidifier is running now because the dew point if very high. It is plenty cool enough outside...so only need it dehumidifier, not cooler.
Hope this helps.
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