Quote:
Originally Posted by wickedfrags.com
Another option, you can buy an exhaust fan and connect it to an electronic dehumidistat, exhausting directly to the outside. The fan will come on whenever the humidity rises to the level you set it at (to prevent condensation in the winter) and then turn off. The bad part about this is it puts your house under negative pressure, drawing in the cold air in the winter and drawing in the warm air in the summer...good luck.
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Need to be a little careful with this .. If you have negative pressure in your house then if there's any incomplete combustion in the furnace or hot water tank, carbon monoxide can be drawn into the house and not exhausted out the exhaust vent as normal. If you have a strong kitchen fan for example, code will require you to interlock it with your furnace so that you can't create a negative pressure in your house. A standard bathroom fan might not be enough to cause a problem but it's something to consider.