The Aprilaire Model 1750 Whole-House Dehumidifier works throughout your entire home. It removes 50% more water per kilowatt hour than leading portable dehumidifiers. The Model 1750 also features truly automatic control, so thereís never a need to manually control the dehumidifierójust set it once and forget it! The Best Choice for healthy, comfortable air is the Model 1750 Whole-House Dehumidifier installed in your new or existing heating and cooling system. The benefits and results speak for themselves: * Provides three times the moisture removing capacity of leading portable dehumidifiersóup to 90 pints or 11.25 gallons per day * No messy tanks to empty and cleanóever * Automatically senses moisture levels and maintains optimum humidity levels in your home, never too much, or too little and running only when needed * Switches automatically between whole-house dehumidification when central air-conditioning system is running, and localized dehumidification when your air-conditioning isnít running * Convertible from whole-home to localized application lets you solve excess moisture issues where you need it most from crawl spaces to attics and basements * Can be operated manually, allowing you to monitor and control moisture levels in a specific locationósuch as your basement or master bedroom (optional Living Space Control is required) *Same-Day Shipping applies Monday through Friday and excludes national holidays. Orders placed before 12:00 Noon Eastern Time will ship the same business day. Orders received after 12:00 Noon Eastern Time may ship the following business day.