The unit will work with a window open. In fact if you open a window on the opposite side of the house from the unit it will help pull the ions through the house. If all windows are open however the unit will work less effectively. This happens because the ions are being pulled outside and mold and other contaminants are being pulled inside your home.
Created by: Barry Vanover
Modified on: Tue, 10 Jan, 2017 at 11:42 AM
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