--- Is this unit that sensitive that it senses humidity change and cycles like this, or is there a problem?
Yes, the controls are sensitive and will cycle frequently on a small space with the current lite moisture loads. A eletronic timer outlet timer that only allows the dehu to operate one hour every three hours with reduce the short cycling.
--- What is optimum humidity to maintain in basement?
<50%RH is great.
--- Is a dehumidifier expensive to run? Can it be compared to a small air conditioner? Operating continuously most resid dehus are $1/pint per month. 40 pint unit =$40.
--- At what point do I know it's time to shut down for the season? When boiler starts to supply heat or outside humidity drops considerably?
Usually when the evening outdoor temps are <50^F evenings, the indoor %RH is <50%. The dehumidistat will stop cycling when not needed.
Regards TB
Bear Rules: Keep our home <50% RH summer, controls mites/mold and very comfortable.
Provide 60-100 cfm of fresh air when occupied to purge indoor pollutants and keep window dry during cold weather. T-stat setup/setback +8 hrs. saves energy
Use +Merv 10 air filter. -Don't forget the "Golden Rule"
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